CINXE.COM

Chemistry in Pictures | C&EN - American Chemical Society

<!DOCTYPE HTML> <html lang="en"> <head> <meta name="template" content="base-page-template"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <script defer="defer" type="text/javascript" src="/.rum/@adobe/helix-rum-js@%5E2/dist/rum-standalone.js"></script> <link rel="canonical" href="/collections/chemistry-in-pictures.html"/> <meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate"/> <meta http-equiv="Pragma" content="no-cache"/> <meta http-equiv="Expires" content="0"/> <meta charset="UTF-8"/> <meta http-equiv="x-ua-compatible" content="ie=edge"/> <meta name="viewport" content="width=device-width, initial-scale=1.0"/> <title> Chemistry in Pictures | C&amp;EN - American Chemical Society </title> <meta property="og:title"/> <meta property="og:site_name" content="Chemical & Engineering News"/> <meta property="og:description" content="Showcasing the beauty of chemistry and related sciences"/> <meta property="og:image" content="https://cen.acs.org/content/dam/cen/static/images/sitewide-default-images/site-cen-logo-social-default.jpg"/> <meta property="og:url" content="https://cen.acs.org/collections/chemistry-in-pictures.html"/> <meta property="og:locale" content="en_US"/> <meta name="twitter:site" content="@cenmag"/> <meta name="twitter:creator" content="@cenmag"/> <meta name="twitter:title"/> <meta name="twitter:description" content="Showcasing the beauty of chemistry and related sciences"/> <meta name="description" content="Showcasing the beauty of chemistry and related sciences"/> <meta name="facebook-domain-verification" content="an25ujdd57jxj7j3n94vqa7wv6hww6"/> <link rel="icon" href="/content/dam/acs-cen-redesign/logo/favicon.ico" type="image/vnd.microsoft.icon"/> <link rel="shortcut icon" href="/content/dam/acs-cen-redesign/logo/favicon.ico" type="image/vnd.microsoft.icon"/> <!-- Google tag (gtag.js) --> <script async='async' src='https://www.googletagservices.com/tag/js/gpt.js'></script> <script> var gptadslots = []; var googletag = googletag || {cmd:[]}; </script> <!-- Google Tag Manager --> <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start': new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0], j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src= 'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f); })(window,document,'script','dataLayer','GTM-MRZG95K3');</script> <!-- End Google Tag Manager --> <link rel="stylesheet" href="/etc.clientlibs/cen-cloud/clientlibs/clientlib_thirdparty.lc-03bc33241a203f6398eb7db1569fa4e9-lc.min.css" type="text/css"> <link rel="stylesheet" href="/etc.clientlibs/cen-cloud/clientlibs/clientlib_collections.lc-3763460f72b73da70d47aca4e17ec2b6-lc.min.css" type="text/css"> <script src="/etc.clientlibs/clientlibs/granite/jquery.lc-f9e8e8c279baf6a1a278042afe4f395a-lc.min.js"></script> <script src="/etc.clientlibs/cen-cloud/clientlibs/clientlib_thirdparty.lc-dc226b13ccf8cd5410bafcbaf57880bb-lc.min.js"></script> <script src="/etc.clientlibs/cen-cloud/clientlibs/clientlib_collections.lc-183be1b2868d43efdbe703a22cc80622-lc.min.js"></script> <script> function htmlEntities(str) { var elem = document.createElement('textarea'); elem.innerHTML = str; return elem.value; } var tagStack = []; var collectionStack = []; var digitalData = { 'pageInfo' : { 'pageName' : 'Chemistry in Pictures | C\x26EN \u002D American Chemical Society', 'contentType' : 'Collections Landing Pages', 'contentName' : 'Collections', 'collections' : '', 'department' : '', 'nfc' : htmlEntities('') } }; var _cbq = window._cbq || []; _cbq.push(['_contentType', digitalData.pageInfo.contentType]); _cbq.push(['_contentName', digitalData.pageInfo.contentName]); </script> <script> collectionStack.push('chemistryInPictures'); </script> <!-- <script src="https://assets.adobedtm.com/a9e4d84ac6e1/f068df300e79/launch-cf86645c0fe9-development.min.js" async></script> --> <script src="//assets.adobedtm.com/822408db7b4a/5997dbcdb559/launch-440fa7e38116.min.js"></script> <script src="/etc.clientlibs/cen-cloud/clientlibs/clientlib_dfpads.lc-5992185d747223e67ed02b97171c451e-lc.min.js"></script> <script> var _sf_async_config = _sf_async_config || {}; /** CONFIGURATION START **/ _sf_async_config.uid = 61642; _sf_async_config.domain = window.location.hostname; _sf_async_config.flickerControl = false; //_sf_async_config.path = window.location.pathname; _sf_async_config.useCanonical = true; _sf_async_config.useCanonicalDomain = true; /** CONFIGURATION END **/ var s = document.createElement('script'); s.type = 'text/javascript'; s.src = '//static.chartbeat.com/js/chartbeat_mab.js'; var x = document.getElementsByTagName('script')[0]; x.parentNode.insertBefore(s, x); </script> <!-- START : BP-HEADER REVEAL AD--> <script> googletag.cmd.push(function() { googletag.pubads().addEventListener('slotRenderEnded', function(event) { if (event.slot.getSlotElementId() == 'div-gpt-ad-8773544-1') { // console.log("Rendered Ad Size..: " + event.size); if(event.size!=null){ // console.log("HR Ad ON"); window.scrollTo(0,0); $('.leaderboard-top').remove(); // Hiding Header Leader Ad while Header Reveal Ad displaying var cssPaddingVal = $('body').css("padding-top"); // fix for removing space above Header Reveal Ad - Start if(cssPaddingVal == "55px") { $('body').css("padding-top","0px"); $('.mobile-nav').css("margin-top", "0px"); // fix for remove space which is displaying between navigation and Header reveal Ad $(window).scroll(function() { $('.mobile-nav').css("margin-top", "0px"); }); } // fix for removing space above Header Reveal Ad - End } else if(event.size===null){ // console.log("HR Ad OFF"); $('#div-gpt-ad-8773544-1').remove(); // Removing Header Reveal Ad DIV tag if Ad respose null (if enable 24hr cap functionality) } } }); }); </script> <div id='div-gpt-ad-8773544-1'> <script> googletag.cmd.push(function() { googletag.display('div-gpt-ad-8773544-1'); }); </script> </div> <!-- END : BP-HEADER REVEAL AD--> </head> <body class="page basicpage" id="page-c7f3597178" data-cmp-link-accessibility-enabled data-cmp-link-accessibility-text="opens in a new tab" data-cmp-data-layer-name="adobeDataLayer"> <div class="root responsivegrid"> <div class="aem-Grid aem-Grid--12 aem-Grid--default--12 "> <div class="genericAds aem-GridColumn aem-GridColumn--default--12"> <div class="leaderboard-top"> <h6 class="ads-title">Advertisement</h6> <div class="article-top-ads" id="div-gpt-ad-21681463464-1"> <script> googletag.cmd.push(function() { googletag.display('div-gpt-ad-21681463464-1'); }); </script> </div> </div> <script> $(".article-small-ads > h6").css("margin-bottom","0rem"); </script></div> <div class="experiencefragment aem-GridColumn aem-GridColumn--default--12"> <div class="xf-content-height"> <div class="root responsivegrid"> <div class="aem-Grid aem-Grid--12 aem-Grid--default--12 "> <div class="header aem-GridColumn aem-GridColumn--default--12"> <div id="page-loader" style="display:none;"><i class="fa fa-spinner fa-spin fa-3x" aria-hidden="true"></i></div> <div id="content2"> <div class="two_column_parsys"> <div id="two_column_parsys" class="bottomMargin"> <div id="article_text"> <div id="login_frame"></div> </div> </div> </div> </div> <header class="header-wrapper"> <div class="upper-nav show-for-large-nav"> <div class="grid-container "> <div class="grid-x grid-margin-x"> <div class="left-upper-nav large-6 cell"> <ul class="nav-link-parent"> <li class="nav-link-child"><a href="https://www.acs.org/" rel="noopener" target="_blank">ACS</a></li> <li class="nav-link-child"><a href="https://pubs.acs.org/" rel="noopener" target="_blank">Publications</a></li> <li class="nav-link-child active"><a>C&amp;EN</a></li> <li class="nav-link-child"><a href="https://www.cas.org/" rel="noopener" target="_blank">CAS</a></li> </ul> </div> <div class="right-upper-nav large-6 cell"> <ul class="nav-link-parent right-nav"> <li class="nav-link-child pull-nav-right true signup"> <a href="#" class="join-acs-link-modal">Join ACS</a> </li> <li class="nav-link-child login"> <div/> <script type="text/javascript" src="/content/cen/misc/cen/js/user.js"></script> <script type="text/javascript" src="/content/cen/misc/cen/js/json_calls.js"></script> <span id="logintext"> <a href="#" onclick="showloginpopup(true); return false;"> <span> <i class="fa fa-lock"></i> </span> Log in </a> </span> <span id="logouttext" style="margin-left:20px;"><i class="fa fa-unlock"></i><a onclick="Logout(true)" href="#">Log out</a></span> <script type="text/javascript"> function showlogin(vis){ var frame = document.getElementById("login_frame"); var text = document.getElementById("main"); var dark= document.getElementById('darkenScreenObject'); var l = window.innerWidth/2 - 3900/2; var t = window.innerHeight/2 - 3200/2; var lstr = l+'px'; var tstr = t+'px' frame.style.display= "block"; frame.style.visibility = "visible"; var frames = document.createElement('iframe'); frames.src = '/content/cen/protectedPage.html'; frames.scrolling= 'no'; frame.appendChild(frames); text.style.visibility = "visible"; } function showloginpopup(vis){ $('body').addClass('mob-nav-open'); if((window.location.href).indexOf("type=paidArticleContent") > -1){ window.scrollBy(0,650); } else{ var frame = document.createElement("div"); frame.setAttribute("id", "login_frame"); var text = document.getElementById("content2"); var dark= document.getElementById('darkenScreenObject'); if(!dark){ setScreen(); dark=document.getElementById('darkenScreenObject'); } if (vis) { dark.style.visibility = "visible"; dark.style.zIndex=1001; var pageURL = window.location.href; var l = window.innerWidth/2 - 3900/2; var t = window.innerHeight/2 - 3200/2; var lstr = l+'px'; var tstr = t+'px' frame.style.display= "block"; frame.style.visibility = "visible"; window.location.href = '/content/cen/callingsso.html?pageURL='+pageURL; /* var frames = document.createElement('iframe'); frames.src = '/content/cen/callingsso.html?pageURL='+pageURL; frames.scrolling= 'no'; if(text.firstChild){ text.insertBefore(frame,text.firstChild); }else{ text.appendChild(frame); } */ frame.appendChild(frames); text.style.visibility = "visible"; }else{ dark.style.display='none'; dark.style.visibility = "hidden"; frame.style.display='none'; frame.style.visibility = "hidden"; text.style.visibility = "visible"; } } } function setScreen(){ var tbody = document.getElementsByTagName("body")[0]; var tnode = document.createElement('div'); // Create the layer. tnode.style.position='absolute'; // Position absolutely tnode.style.top='0px'; // In the top tnode.style.left='0px'; // Left corner of the page tnode.style.overflow='hidden'; // Try to avoid making scroll bars tnode.style.display='none'; // Start out Hidden tnode.id='darkenScreenObject'; // Name it so we can find it later tnode.style.opacity=0.8; tnode.style.MozOpacity=0.9; tnode.style.filter='alpha(opacity=70)'; tnode.style.zIndex=1001; tnode.style.backgroundColor='#000000'; tnode.style.width= '100%'; tnode.style.height= '100%'; tbody.appendChild(tnode); // Add it to the web page } function ClosePop() { $('#login_frame').remove(); $('body').removeClass('mob-nav-open'); } function Logout(){ $.ajax({url:"/acs/redirect", type: "POST", data: {username: "logout", uservalue: "logout" }, success: function(){ localStorage.removeItem('cenUser'); localStorage.removeItem('cenRenewUser'); window.location = "https://sso.acs.org/idp/service/glogout?appid=xxx&returnURL=https://"+window.location.hostname+"/"; } }); } function getCookie(name) { var re = new RegExp(name + "=([^;]+)"); var value = re.exec(document.cookie); return (value != null) ? unescape(value[1]) : null; } function loginAjaxCalls(){ if(true){ var call_url = 'https://sso.acs.org/idpservice/status'; var appid = "CENODSPublish"; var query_string = '?appid=' + appid; $.ajax({ url: call_url + query_string, type: 'GET', crossDomain: "true", contentType: "application/json; charset=utf-8", xhrFields: { withCredentials: true }, success: function( response ){ if( response.succ && response.results ){ var loggedin = response.results.loggedin; if (loggedin){ var ifrm = document.createElement("iframe"); ifrm.setAttribute("src", "/content/cen/callingsso.html"); ifrm.style.width = "640px"; ifrm.style.height = "480px"; ifrm.style.position= "fixed"; document.body.appendChild(ifrm); } } else { // do something when status lookup failed here //alert('status lookup fail'); } } }); } else { var env = "dev"; if (env == "prod"){ var call_url = 'https://sso.acs.org/idp/status'; } else { var call_url = 'https://sso.acs.org/idp/status'; } var appid = "CENODSPublish"; var query_string = '?padding=jsonPaddingFunction&appid=' + appid + '&pagemaxage=86400'; $.ajax({ type: 'get', dataType: 'jsonp', url: call_url + query_string, jsonpCallback: 'jsonPaddingFunction', contentType: "application/json", success: function( response ){ if( response.succ && response.results ){ var loggedin = response.results.loggedin; if (loggedin){ var ifrm = document.createElement("iframe"); ifrm.setAttribute("src", "/content/cen/callingsso.html"); ifrm.style.width = "640px"; ifrm.style.height = "480px"; ifrm.style.position= "fixed"; document.body.appendChild(ifrm); } } else { // do something when status lookup failed here //alert('status lookup fail'); } } }); } } function checkUserTypeD(){ var currentUserLocal = localStorage.getItem('cenUser'); var currentUserLocalDType = localStorage.getItem('cenRenewUser'); if (currentUserLocal !== null) { currenUserDecoded=JSON.parse(currentUserLocal); localStorage.removeItem('cenUser'); } } $(document).ready(function() { try { json_calls.execute(); } catch (error) { // To give IE 11 a breather } try{ var cookieValueFirst= getCookie('cenLogin'); if( cookieValueFirst == '' || cookieValueFirst == null || cookieValueFirst ==undefined) { $.ajax({url:"/acs/redirect", type: "POST", data: {username: "erlogin", uservalue: "erlogin" }, success: function(){ loginAjaxCalls(); } }); } ACS.User.getCurrentUser(getCookie('cenLogin')); if (ACS.User.getUserName(getCookie('cenLogin')) != "") { jsonData = { "method":"validate-username", "userId": ACS.User.getUserName(getCookie('cenLogin')) }; $.ajax({ type: "POST", headers: { "Api-Key":"K75kjsd//:765jh" }, url: "/acs/paywall", data: (btoa(encodeURIComponent(JSON.stringify(jsonData)))), dataType: "json", contentType: "application/json", success: function(json){ var currentUser = localStorage.getItem('cenUser'); if(currentUser === null) { var userJson = {'username' : json.data.userId, userType: json.data.userType}; localStorage.setItem('cenUser', JSON.stringify(userJson)); }else{ var userJson = JSON.parse(currentUser); userJson['username'] = json.data.userId; userJson['userType'] = json.data.userType; localStorage.setItem('cenUser', JSON.stringify(userJson)); } checkUserTypeD(); } }) } if (ACS.User.isLoggedIn() && !ACS.User.isInstitution()){ if(true){ var call_url = 'https://sso.acs.org/idpservice/status'; var appid = "CENODSPublish"; var query_string = '?appid=' + appid; $.ajax({ url: call_url + query_string, type: 'GET', crossDomain: "true", contentType: "application/json; charset=utf-8", xhrFields: { withCredentials: true }, success: function( response ){ if( response.succ && response.results ){ var loggedin = response.results.loggedin; } }, failure: function(response){ console.log(response); } }); } else { var env = "dev"; if (env == "prod"){ var call_url = 'https://sso.acs.org/idp/status'; } else { var call_url = 'https://sso.acs.org/idp/status'; } var appid = "CENODSPublish"; var query_string = '?padding=jsonPaddingFunction&appid=' + appid + '&pagemaxage=86400'; $.ajax({ type: 'get', dataType: 'jsonp', url: call_url + query_string, jsonpCallback: 'jsonPaddingFunction', contentType: "application/json", success: function( response ){ if( response.succ && response.results ){ var loggedin = response.results.loggedin; } }, failure: function(response){ console.log(response); } }); } $("#logintext").html("Hi, <span class='capitalise-username'>" + ACS.User.getFirstName() + "! </span>"); $("#logouttext").show(); $('.nav-link-child.true.signup').hide(); $("#logintext").css("padding-top","3px"); $("#logouttext").css("display","inine-block"); $('#mobile-login-btn1').hide(); $('.welcome-mob-tecxt').html("Hi, " + ACS.User.getFirstName() + "!"); $('#loggggout').show(); } } catch(e){ //alert(e); } }); </script> </li> </ul> </div> </div> </div> </div> <nav class="main-nav show-for-large-nav"> <div class="grid-container"> <div class="grid-x grid-margin-x"> <div class="left-nav large-12 cell"> <ul class="main-nav-parent"> <li class="main-nav-child logo-parent-nav"> <a class="logo-link nav-element" href="/"> <img class="logo logo-large" src="/content/dam/acs-cen-redesign/logo/cen-logo.png" alt="Chemical &amp; Engineering News" title="Chemical &amp; Engineering News"/> <img class="logo logo-small" src="/content/dam/acs-cen-redesign/logo/cenLogo-120.png" alt="Chemical &amp; Engineering News" title="Chemical &amp; Engineering News"/> </a> </li> <div> <li class="main-nav-child hide-for-mobile-nav"><a href="/most-recent.html" class="nav-element topic-pane">LATEST </a> </li> <div> <div class="hide-for-desktop-nav grid-x mobile-nav-bordering"> <h3 class="menu-item large-12 small-12 medium-12 cell mob-heading-nav no-menu-heading"><a href="/most-recent.html">LATEST <i class="fa fa-caret-right" aria-hidden="true"></i></a></h3> </div> </div> </div> <div> <li class="main-nav-child hide-for-mobile-nav"><a href="javascript:void(0)" data-toggle="TOPICS-dropdown" class="nav-element topic-pane">TOPICS <i class="fa fa-caret-down" aria-hidden="true"></i> <i class="fa fa-caret-up" aria-hidden="true"></i> </a> <div class="dropdown-pane nav-pane " id="TOPICS-dropdown" data-dropdown data-position="bottom" data-alignment="left" data-close-on-click="true"> <div class="grid-x"> <ul class="header-list-parent cell large-4"> <li class="header-nav-child"><a class="nav-child-link" href="/topics/analytical-chemistry.html">Analytical Chemistry</a></li> <li class="header-nav-child"><a class="nav-child-link" href="/topics/biological-chemistry.html">Biological Chemistry</a></li> <li class="header-nav-child"><a class="nav-child-link" href="/topics/business.html">Business</a></li> <li class="header-nav-child"><a class="nav-child-link" href="/topics/careers.html">Careers</a></li> <li class="header-nav-child"><a class="nav-child-link" href="/topics/education.html">Education</a></li> <li class="header-nav-child"><a class="nav-child-link" href="/topics/energy.html">Energy</a></li> </ul> <ul class="header-list-parent cell large-4"> <li class="header-nav-child"><a class="nav-child-link" href="/topics/environment.html">Environment</a></li> <li class="header-nav-child"><a class="nav-child-link" href="/topics/food.html">Food</a></li> <li class="header-nav-child"><a class="nav-child-link" href="/topics/materials.html">Materials</a></li> <li class="header-nav-child"><a class="nav-child-link" href="/topics/people.html">People</a></li> <li class="header-nav-child"><a class="nav-child-link" href="/topics/pharmaceuticals.html">Pharmaceuticals</a></li> <li class="header-nav-child"><a class="nav-child-link" href="/topics/physical-chemistry.html">Physical Chemistry</a></li> </ul> <ul class="header-list-parent cell large-4"> <li class="header-nav-child"><a class="nav-child-link" href="/topics/policy.html">Policy</a></li> <li class="header-nav-child"><a class="nav-child-link" href="/topics/research-integrity.html">Research Integrity</a></li> <li class="header-nav-child"><a class="nav-child-link" href="/topics/safety.html">Safety</a></li> <li class="header-nav-child"><a class="nav-child-link" href="/topics/synthesis.html">Synthesis</a></li> <li class="header-nav-child"><a class="nav-child-link" href="/topics/acs-news.html">ACS News</a></li> </ul> </div> </div></li> <div> <div class="hide-for-desktop-nav grid-x mobile-nav-bordering"> <h3 class="menu-item large-12 small-12 medium-12 cell mob-heading-nav">TOPICS</h3> <ul class="large-6 small-6 medium-6 cell parent-ul-menu"> <li class="menu-item"> <a class="nav-child-link" href="/topics/analytical-chemistry.html">Analytical Chemistry</a></li> <li class="menu-item"> <a class="nav-child-link" href="/topics/biological-chemistry.html">Biological Chemistry</a></li> <li class="menu-item"> <a class="nav-child-link" href="/topics/business.html">Business</a></li> <li class="menu-item"> <a class="nav-child-link" href="/topics/careers.html">Careers</a></li> <li class="menu-item"> <a class="nav-child-link" href="/topics/education.html">Education</a></li> <li class="menu-item"> <a class="nav-child-link" href="/topics/energy.html">Energy</a></li> <li class="menu-item"> <a class="nav-child-link" href="/topics/environment.html">Environment</a></li> <li class="menu-item"> <a class="nav-child-link" href="/topics/food.html">Food</a></li> </ul> <ul class="large-6 small-6 medium-6 cell parent-ul-menu"> <li class="menu-item"> <a class="nav-child-link" href="/topics/materials.html">Materials</a></li> <li class="menu-item"> <a class="nav-child-link" href="/topics/people.html">People</a></li> <li class="menu-item"> <a class="nav-child-link" href="/topics/pharmaceuticals.html">Pharmaceuticals</a></li> <li class="menu-item"> <a class="nav-child-link" href="/topics/physical-chemistry.html">Physical Chemistry</a></li> <li class="menu-item"> <a class="nav-child-link" href="/topics/policy.html">Policy</a></li> <li class="menu-item"> <a class="nav-child-link" href="/topics/research-integrity.html">Research Integrity</a></li> <li class="menu-item"> <a class="nav-child-link" href="/topics/safety.html">Safety</a></li> <li class="menu-item"> <a class="nav-child-link" href="/topics/synthesis.html">Synthesis</a></li> <li class="menu-item"> <a class="nav-child-link" href="/topics/acs-news.html">ACS News</a></li> </ul> </div> </div> </div> <div> <li class="main-nav-child hide-for-mobile-nav"><a href="javascript:void(0)" data-toggle="MAGAZINE-dropdown" class="nav-element topic-pane">MAGAZINE <i class="fa fa-caret-down" aria-hidden="true"></i> <i class="fa fa-caret-up" aria-hidden="true"></i> </a> <div class="dropdown-pane nav-pane single-column-width" id="MAGAZINE-dropdown" data-dropdown data-position="bottom" data-alignment="left" data-close-on-click="true"> <div class="grid-x"> <ul class="header-list-parent cell large-12"> <li class="nav-link-child"><a class="nav-child-link" href="/magazine/102/10236.html">Current Issue</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/magazine/all-issue.html">Recent Issues</a></li> <li class="nav-link-child"><a class="nav-child-link" href="https://pubs.acs.org/loi/cgeabj">Archives: 100 Years of C&amp;EN</a></li> </ul> </div> </div></li> <div> <div class="hide-for-desktop-nav grid-x mobile-nav-bordering"> <h3 class="menu-item large-12 small-12 medium-12 cell mob-heading-nav">MAGAZINE</h3> <ul class="large-6 small-6 medium-6 cell parent-ul-menu"> <li class="menu-item"> <a class="nav-child-link" href="/magazine/102/10236.html">Current Issue</a></li> <li class="menu-item"> <a class="nav-child-link" href="/magazine/all-issue.html">Recent Issues</a></li> </ul> <ul class="large-6 small-6 medium-6 cell parent-ul-menu"> <li class="menu-item"> <a class="nav-child-link" href="https://pubs.acs.org/loi/cgeabj">Archives: 100 Years of C&amp;EN</a></li> </ul> </div> </div> </div> <div> <li class="main-nav-child hide-for-mobile-nav"><a href="javascript:void(0)" data-toggle="FEATURES-dropdown" class="nav-element topic-pane">FEATURES <i class="fa fa-caret-down" aria-hidden="true"></i> <i class="fa fa-caret-up" aria-hidden="true"></i> </a> <div class="dropdown-pane nav-pane " id="FEATURES-dropdown" data-dropdown data-position="bottom" data-alignment="left" data-close-on-click="true"> <div class="grid-x"> <ul class="header-list-parent cell large-4"> <li class="nav-link-child"><a class="nav-child-link" href="/collections/CENs-10-Start-ups-to-Watch.html">10 Start-ups to Watch</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/collections/cen-centennial.html">C&amp;EN&#39;s Centennial</a></li> </ul> <ul class="header-list-parent cell large-4"> <li class="nav-link-child"><a class="nav-child-link" href="/collections/CENs-Talented-12.html">Talented Twelve</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/sections/Trailblazers.html">Trailblazers</a></li> </ul> <ul class="header-list-parent cell large-4"> <li class="nav-link-child"><a class="nav-child-link" href="/sections/global-top-50.html">Global Top 50 chemical firms</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/sections/us-top-50.html">US Top 50 chemical firms</a></li> </ul> </div> </div></li> <div> <div class="hide-for-desktop-nav grid-x mobile-nav-bordering"> <h3 class="menu-item large-12 small-12 medium-12 cell mob-heading-nav">FEATURES</h3> <ul class="large-6 small-6 medium-6 cell parent-ul-menu"> <li class="menu-item"> <a class="nav-child-link" href="/collections/CENs-10-Start-ups-to-Watch.html">10 Start-ups to Watch</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/cen-centennial.html">C&amp;EN&#39;s Centennial</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/CENs-Talented-12.html">Talented Twelve</a></li> </ul> <ul class="large-6 small-6 medium-6 cell parent-ul-menu"> <li class="menu-item"> <a class="nav-child-link" href="/sections/Trailblazers.html">Trailblazers</a></li> <li class="menu-item"> <a class="nav-child-link" href="/sections/global-top-50.html">Global Top 50 chemical firms</a></li> <li class="menu-item"> <a class="nav-child-link" href="/sections/us-top-50.html">US Top 50 chemical firms</a></li> </ul> </div> </div> </div> <div> <li class="main-nav-child hide-for-mobile-nav"><a href="javascript:void(0)" data-toggle="COLLECTIONS-dropdown" class="nav-element topic-pane">COLLECTIONS <i class="fa fa-caret-down" aria-hidden="true"></i> <i class="fa fa-caret-up" aria-hidden="true"></i> </a> <div class="dropdown-pane nav-pane " id="COLLECTIONS-dropdown" data-dropdown data-position="bottom" data-alignment="left" data-close-on-click="true"> <div class="grid-x"> <ul class="header-list-parent cell large-4"> <li class="nav-link-child"><a class="nav-child-link" href="/sections/amazing-women-chemistry.html">Amazing Women of Chemistry</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/collections/bench-cubicle.html">Bench &amp; Cubicle</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/collections/career-ladder.html">Career Ladder</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/collections/in-memoriam.html">In Memoriam</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/collections/movers-and-shakers.html">Movers and Shakers</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/collections/newscripts.html">Newscripts</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/sections/nobel-prize-chemistry.html">Nobel Prize in Chemistry</a></li> </ul> <ul class="header-list-parent cell large-4"> <li class="nav-link-child"><a class="nav-child-link" href="/collections/office-hours.html">Office Hours</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/collections/opinion.html">Opinion</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/collections/periodicgraphics.html">Periodic Graphics</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/collections/quizzes.html">Quizzes</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/sections/sketch-chemistry.html">Sketch Chemistry</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/sections/speaking-of-chemistry.html">Speaking of Chemistry</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/collections/whats-that-stuff.html">What&#39;s That Stuff?</a></li> </ul> <ul class="header-list-parent cell large-4"> <li class="nav-link-child"><a class="nav-child-link" href="/sections/arabic.html">باللغة العربية C&amp;EN</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/collections/espanol.html">C&amp;EN en Español</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/collections/chinese.html">C&amp;EN中文版</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/collections/portugues.html">C&amp;EN em Português</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/collections/webinars.html">C&amp;EN Webinars</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/collections/whitepapers.html">C&amp;EN White Papers &amp; eBooks</a></li> </ul> </div> </div></li> <div> <div class="hide-for-desktop-nav grid-x mobile-nav-bordering"> <h3 class="menu-item large-12 small-12 medium-12 cell mob-heading-nav">COLLECTIONS</h3> <ul class="large-6 small-6 medium-6 cell parent-ul-menu"> <li class="menu-item"> <a class="nav-child-link" href="/sections/amazing-women-chemistry.html">Amazing Women of Chemistry</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/bench-cubicle.html">Bench &amp; Cubicle</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/career-ladder.html">Career Ladder</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/in-memoriam.html">In Memoriam</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/movers-and-shakers.html">Movers and Shakers</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/newscripts.html">Newscripts</a></li> <li class="menu-item"> <a class="nav-child-link" href="/sections/nobel-prize-chemistry.html">Nobel Prize in Chemistry</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/office-hours.html">Office Hours</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/opinion.html">Opinion</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/periodicgraphics.html">Periodic Graphics</a></li> </ul> <ul class="large-6 small-6 medium-6 cell parent-ul-menu"> <li class="menu-item"> <a class="nav-child-link" href="/collections/quizzes.html">Quizzes</a></li> <li class="menu-item"> <a class="nav-child-link" href="/sections/sketch-chemistry.html">Sketch Chemistry</a></li> <li class="menu-item"> <a class="nav-child-link" href="/sections/speaking-of-chemistry.html">Speaking of Chemistry</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/whats-that-stuff.html">What&#39;s That Stuff?</a></li> <li class="menu-item"> <a class="nav-child-link" href="/sections/arabic.html">باللغة العربية C&amp;EN</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/espanol.html">C&amp;EN en Español</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/chinese.html">C&amp;EN中文版</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/portugues.html">C&amp;EN em Português</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/webinars.html">C&amp;EN Webinars</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/whitepapers.html">C&amp;EN White Papers &amp; eBooks</a></li> </ul> </div> </div> </div> <div> <li class="main-nav-child hide-for-mobile-nav"><a href="/sections/stereo-chemistry-podcast.html" class="nav-element topic-pane">PODCASTS </a> </li> <div> <div class="hide-for-desktop-nav grid-x mobile-nav-bordering"> <h3 class="menu-item large-12 small-12 medium-12 cell mob-heading-nav no-menu-heading"><a href="/sections/stereo-chemistry-podcast.html">PODCASTS <i class="fa fa-caret-right" aria-hidden="true"></i></a></h3> </div> </div> </div> <div> <li class="main-nav-child hide-for-mobile-nav"><a href="/collections/chemistry-in-pictures.html" class="nav-element topic-pane">CHEMPICS </a> </li> <div> <div class="hide-for-desktop-nav grid-x mobile-nav-bordering"> <h3 class="menu-item large-12 small-12 medium-12 cell mob-heading-nav no-menu-heading"><a href="/collections/chemistry-in-pictures.html">CHEMPICS <i class="fa fa-caret-right" aria-hidden="true"></i></a></h3> </div> </div> </div> <div> <li class="main-nav-child hide-for-mobile-nav"><a href="https://chemistryjobs.acs.org/" class="nav-element topic-pane">JOBS </a> </li> <div> <div class="hide-for-desktop-nav grid-x mobile-nav-bordering"> <h3 class="menu-item large-12 small-12 medium-12 cell mob-heading-nav no-menu-heading"><a href="https://chemistryjobs.acs.org/">JOBS <i class="fa fa-caret-right" aria-hidden="true"></i></a></h3> </div> </div> </div> <li class="main-nav-child"> <a class="nav-element nav-search-element" data-toggle="search-dropdown" href="javascript:void(0)"><i class="fa fa-search"></i></a> <div class="dropdown-pane nav-pane multimedia-pane" id="search-dropdown" data-dropdown data-position="bottom" data-alignment="left" data-close-on-click="true"> <div class="grid-x"> <ul class="header-list-parent cell large-12"> <li class="header-nav-child"> <form role="search" method="get" class="search-form ng-pristine ng-valid nav-child-link" onsubmit="performSearchH();$('.search-field').val(''); return false"> <input type="search" class="search-field form-control" placeholder="Search &hellip;" value="" name="q" id="q" title="Search for:"/> <input type="submit" class="search-submit btn btn-primary" value="Search"/> </form> <a class="nav-child-link" href="/search.html">Advanced Search</a> </li> <li class="header-nav-child"></li> </ul> </div> </div> </li> <ul class="main-nav-parent social-footer-container"> <ul class="social-link-footer"> <li class="social-list"> <a rel="noopener" class="social-list-link" href="https://www.facebook.com/CENews" target="_blank" title="Facebook"> <i class="fa fa-facebook social-link-icon"></i> </a> </li> </ul> <ul class="social-link-footer"> <li class="social-list"> <a rel="noopener" class="social-list-link" href="https://www.instagram.com/cenmag/" target="_blank" title="Instagram"> <i class="fa fa-instagram social-link-icon"></i> </a> </li> </ul> <ul class="social-link-footer"> <li class="social-list"> <a rel="noopener" class="social-list-link" href="https://twitter.com/cenmag" target="_blank" title="X"> <i class="fa fa-twitter social-link-icon"></i> </a> </li> </ul> <ul class="social-link-footer"> <li class="social-list"> <a rel="noopener" class="social-list-link" href="https://www.linkedin.com/showcase/c&en/" target="_blank" title="LinkedIn"> <i class="fa fa-linkedin social-link-icon"></i> </a> </li> </ul> </ul> </ul> </div> </div> </div> </nav> <div> <nav class="hide-for-large-nav"> <div class="grid-container-fluid"> <div class="grid-x grid-margin-x"> <div class="large-12 cell"> <div class="mobile-nav"> <div class="float-center logo-parent"> <div class="float-left"> <a href="javascript:void(0)" data-toggle="mobile-dropdown"></a> <a href="javascript:void(0)" class="mobile-burger"> <i class="fa fa-reorder"></i> </a> </div> <a class="logo" href="/index.html" rel="home"> <img title="Chemical &amp; Engineering News" class="logo logo-small" src="/content/dam/acs-cen-redesign/logo/cenLogo-120.png" alt="Chemical &amp;#38; Engineering News"/> </a> <div class="float-right"> <a href="https://www.acs.org/bin/acs/sso/login" onclick="showloginpopup(true); return false;" title="Login" class="mobile-login-btn" id="mobile-login-btn1"> <i class="fa fa-user"></i> </a> <a href="javascript:void(0)" data-toggle="logout-dropdown" class="mobile-login-btn" style="height:40px;display:none;" id="loggggout"> <i class="fa fa-user"></i> </a> <div class="dropdown-pane logout-pane" id="logout-dropdown" data-dropdown style="width:150px;"> <div class="grid-x"> <ul class="cell large-12" style="margin-left: 0;margin-bottom:0;margin-right:0;"> <li class="logout-child welcome-mob-tecxt" style="color: #243241;background: #ffffff;text-shadow: none;font-family:'Franklin ITC';font-size:13px;"> Welcome, </li> <li class="logout-child"> <span id="logouttext1"><i class="fa fa-unlock" style="margin-right:10px;"></i><a onclick="Logout(true)" href="javascript:void(0)" style="color:#EC272D;font-size:14px;">Log out</a></span> </li> </ul> </div> </div> </div> </div> </div> </div> </div> </div> <div class="dropdown-pane nav-pane mobile-dropdown" id="mobile-dropdown" data-dropdown> <div class="grid-container-fluid"> <div class="grid-x grid-margin-x"> <div class="large-12 cell"> <div class="mobile-nav-menu"> <div class="float-center logo-parent"> <div class="float-left"> <a class="logo mobile-log-pos" href="/index.html" rel="home"> <img title="Chemical &amp; Engineering News" class="logo logo-small" src="/content/dam/acs-cen-redesign/logo/cenLogo-120.png" alt="Chemical &amp;#38; Engineering News"/> </a> </div> <div class="float-right"> <a href="#" target="_blank" title="Log in" class="mobile-close">&times;</a> </div> </div> </div> <div class="large-12 cell"> <div class="scroll"> <div class="scroll-wrap grid-x"> <ul class="large-12 small-12 medium-12 cell parent-ul-menu"> <li class="search"> <form onsubmit="performSearchMobile(); return false"> <input type="text" id="mobile-search-box" placeholder="Search C&amp;EN" required=""/> <button>Go</button> </form> </li> </ul> <ul class="large-12 small-12 medium-12 cell parent-ul-menu"> <div> <li class="main-nav-child hide-for-mobile-nav"><a href="/most-recent.html" class="nav-element topic-pane">LATEST </a> </li> <div> <div class="hide-for-desktop-nav grid-x mobile-nav-bordering"> <h3 class="menu-item large-12 small-12 medium-12 cell mob-heading-nav no-menu-heading"><a href="/most-recent.html">LATEST <i class="fa fa-caret-right" aria-hidden="true"></i></a></h3> </div> </div> </div> <div> <li class="main-nav-child hide-for-mobile-nav"><a href="javascript:void(0)" data-toggle="TOPICS-dropdown" class="nav-element topic-pane">TOPICS <i class="fa fa-caret-down" aria-hidden="true"></i> <i class="fa fa-caret-up" aria-hidden="true"></i> </a> <div class="dropdown-pane nav-pane " id="TOPICS-dropdown" data-dropdown data-position="bottom" data-alignment="left" data-close-on-click="true"> <div class="grid-x"> <ul class="header-list-parent cell large-4"> <li class="header-nav-child"><a class="nav-child-link" href="/topics/analytical-chemistry.html">Analytical Chemistry</a></li> <li class="header-nav-child"><a class="nav-child-link" href="/topics/biological-chemistry.html">Biological Chemistry</a></li> <li class="header-nav-child"><a class="nav-child-link" href="/topics/business.html">Business</a></li> <li class="header-nav-child"><a class="nav-child-link" href="/topics/careers.html">Careers</a></li> <li class="header-nav-child"><a class="nav-child-link" href="/topics/education.html">Education</a></li> <li class="header-nav-child"><a class="nav-child-link" href="/topics/energy.html">Energy</a></li> </ul> <ul class="header-list-parent cell large-4"> <li class="header-nav-child"><a class="nav-child-link" href="/topics/environment.html">Environment</a></li> <li class="header-nav-child"><a class="nav-child-link" href="/topics/food.html">Food</a></li> <li class="header-nav-child"><a class="nav-child-link" href="/topics/materials.html">Materials</a></li> <li class="header-nav-child"><a class="nav-child-link" href="/topics/people.html">People</a></li> <li class="header-nav-child"><a class="nav-child-link" href="/topics/pharmaceuticals.html">Pharmaceuticals</a></li> <li class="header-nav-child"><a class="nav-child-link" href="/topics/physical-chemistry.html">Physical Chemistry</a></li> </ul> <ul class="header-list-parent cell large-4"> <li class="header-nav-child"><a class="nav-child-link" href="/topics/policy.html">Policy</a></li> <li class="header-nav-child"><a class="nav-child-link" href="/topics/research-integrity.html">Research Integrity</a></li> <li class="header-nav-child"><a class="nav-child-link" href="/topics/safety.html">Safety</a></li> <li class="header-nav-child"><a class="nav-child-link" href="/topics/synthesis.html">Synthesis</a></li> <li class="header-nav-child"><a class="nav-child-link" href="/topics/acs-news.html">ACS News</a></li> </ul> </div> </div></li> <div> <div class="hide-for-desktop-nav grid-x mobile-nav-bordering"> <h3 class="menu-item large-12 small-12 medium-12 cell mob-heading-nav">TOPICS</h3> <ul class="large-6 small-6 medium-6 cell parent-ul-menu"> <li class="menu-item"> <a class="nav-child-link" href="/topics/analytical-chemistry.html">Analytical Chemistry</a></li> <li class="menu-item"> <a class="nav-child-link" href="/topics/biological-chemistry.html">Biological Chemistry</a></li> <li class="menu-item"> <a class="nav-child-link" href="/topics/business.html">Business</a></li> <li class="menu-item"> <a class="nav-child-link" href="/topics/careers.html">Careers</a></li> <li class="menu-item"> <a class="nav-child-link" href="/topics/education.html">Education</a></li> <li class="menu-item"> <a class="nav-child-link" href="/topics/energy.html">Energy</a></li> <li class="menu-item"> <a class="nav-child-link" href="/topics/environment.html">Environment</a></li> <li class="menu-item"> <a class="nav-child-link" href="/topics/food.html">Food</a></li> </ul> <ul class="large-6 small-6 medium-6 cell parent-ul-menu"> <li class="menu-item"> <a class="nav-child-link" href="/topics/materials.html">Materials</a></li> <li class="menu-item"> <a class="nav-child-link" href="/topics/people.html">People</a></li> <li class="menu-item"> <a class="nav-child-link" href="/topics/pharmaceuticals.html">Pharmaceuticals</a></li> <li class="menu-item"> <a class="nav-child-link" href="/topics/physical-chemistry.html">Physical Chemistry</a></li> <li class="menu-item"> <a class="nav-child-link" href="/topics/policy.html">Policy</a></li> <li class="menu-item"> <a class="nav-child-link" href="/topics/research-integrity.html">Research Integrity</a></li> <li class="menu-item"> <a class="nav-child-link" href="/topics/safety.html">Safety</a></li> <li class="menu-item"> <a class="nav-child-link" href="/topics/synthesis.html">Synthesis</a></li> <li class="menu-item"> <a class="nav-child-link" href="/topics/acs-news.html">ACS News</a></li> </ul> </div> </div> </div> <div> <li class="main-nav-child hide-for-mobile-nav"><a href="javascript:void(0)" data-toggle="MAGAZINE-dropdown" class="nav-element topic-pane">MAGAZINE <i class="fa fa-caret-down" aria-hidden="true"></i> <i class="fa fa-caret-up" aria-hidden="true"></i> </a> <div class="dropdown-pane nav-pane single-column-width" id="MAGAZINE-dropdown" data-dropdown data-position="bottom" data-alignment="left" data-close-on-click="true"> <div class="grid-x"> <ul class="header-list-parent cell large-12"> <li class="nav-link-child"><a class="nav-child-link" href="/magazine/102/10236.html">Current Issue</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/magazine/all-issue.html">Recent Issues</a></li> <li class="nav-link-child"><a class="nav-child-link" href="https://pubs.acs.org/loi/cgeabj">Archives: 100 Years of C&amp;EN</a></li> </ul> </div> </div></li> <div> <div class="hide-for-desktop-nav grid-x mobile-nav-bordering"> <h3 class="menu-item large-12 small-12 medium-12 cell mob-heading-nav">MAGAZINE</h3> <ul class="large-6 small-6 medium-6 cell parent-ul-menu"> <li class="menu-item"> <a class="nav-child-link" href="/magazine/102/10236.html">Current Issue</a></li> <li class="menu-item"> <a class="nav-child-link" href="/magazine/all-issue.html">Recent Issues</a></li> </ul> <ul class="large-6 small-6 medium-6 cell parent-ul-menu"> <li class="menu-item"> <a class="nav-child-link" href="https://pubs.acs.org/loi/cgeabj">Archives: 100 Years of C&amp;EN</a></li> </ul> </div> </div> </div> <div> <li class="main-nav-child hide-for-mobile-nav"><a href="javascript:void(0)" data-toggle="FEATURES-dropdown" class="nav-element topic-pane">FEATURES <i class="fa fa-caret-down" aria-hidden="true"></i> <i class="fa fa-caret-up" aria-hidden="true"></i> </a> <div class="dropdown-pane nav-pane " id="FEATURES-dropdown" data-dropdown data-position="bottom" data-alignment="left" data-close-on-click="true"> <div class="grid-x"> <ul class="header-list-parent cell large-4"> <li class="nav-link-child"><a class="nav-child-link" href="/collections/CENs-10-Start-ups-to-Watch.html">10 Start-ups to Watch</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/collections/cen-centennial.html">C&amp;EN&#39;s Centennial</a></li> </ul> <ul class="header-list-parent cell large-4"> <li class="nav-link-child"><a class="nav-child-link" href="/collections/CENs-Talented-12.html">Talented Twelve</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/sections/Trailblazers.html">Trailblazers</a></li> </ul> <ul class="header-list-parent cell large-4"> <li class="nav-link-child"><a class="nav-child-link" href="/sections/global-top-50.html">Global Top 50 chemical firms</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/sections/us-top-50.html">US Top 50 chemical firms</a></li> </ul> </div> </div></li> <div> <div class="hide-for-desktop-nav grid-x mobile-nav-bordering"> <h3 class="menu-item large-12 small-12 medium-12 cell mob-heading-nav">FEATURES</h3> <ul class="large-6 small-6 medium-6 cell parent-ul-menu"> <li class="menu-item"> <a class="nav-child-link" href="/collections/CENs-10-Start-ups-to-Watch.html">10 Start-ups to Watch</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/cen-centennial.html">C&amp;EN&#39;s Centennial</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/CENs-Talented-12.html">Talented Twelve</a></li> </ul> <ul class="large-6 small-6 medium-6 cell parent-ul-menu"> <li class="menu-item"> <a class="nav-child-link" href="/sections/Trailblazers.html">Trailblazers</a></li> <li class="menu-item"> <a class="nav-child-link" href="/sections/global-top-50.html">Global Top 50 chemical firms</a></li> <li class="menu-item"> <a class="nav-child-link" href="/sections/us-top-50.html">US Top 50 chemical firms</a></li> </ul> </div> </div> </div> <div> <li class="main-nav-child hide-for-mobile-nav"><a href="javascript:void(0)" data-toggle="COLLECTIONS-dropdown" class="nav-element topic-pane">COLLECTIONS <i class="fa fa-caret-down" aria-hidden="true"></i> <i class="fa fa-caret-up" aria-hidden="true"></i> </a> <div class="dropdown-pane nav-pane " id="COLLECTIONS-dropdown" data-dropdown data-position="bottom" data-alignment="left" data-close-on-click="true"> <div class="grid-x"> <ul class="header-list-parent cell large-4"> <li class="nav-link-child"><a class="nav-child-link" href="/sections/amazing-women-chemistry.html">Amazing Women of Chemistry</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/collections/bench-cubicle.html">Bench &amp; Cubicle</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/collections/career-ladder.html">Career Ladder</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/collections/in-memoriam.html">In Memoriam</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/collections/movers-and-shakers.html">Movers and Shakers</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/collections/newscripts.html">Newscripts</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/sections/nobel-prize-chemistry.html">Nobel Prize in Chemistry</a></li> </ul> <ul class="header-list-parent cell large-4"> <li class="nav-link-child"><a class="nav-child-link" href="/collections/office-hours.html">Office Hours</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/collections/opinion.html">Opinion</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/collections/periodicgraphics.html">Periodic Graphics</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/collections/quizzes.html">Quizzes</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/sections/sketch-chemistry.html">Sketch Chemistry</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/sections/speaking-of-chemistry.html">Speaking of Chemistry</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/collections/whats-that-stuff.html">What&#39;s That Stuff?</a></li> </ul> <ul class="header-list-parent cell large-4"> <li class="nav-link-child"><a class="nav-child-link" href="/sections/arabic.html">باللغة العربية C&amp;EN</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/collections/espanol.html">C&amp;EN en Español</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/collections/chinese.html">C&amp;EN中文版</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/collections/portugues.html">C&amp;EN em Português</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/collections/webinars.html">C&amp;EN Webinars</a></li> <li class="nav-link-child"><a class="nav-child-link" href="/collections/whitepapers.html">C&amp;EN White Papers &amp; eBooks</a></li> </ul> </div> </div></li> <div> <div class="hide-for-desktop-nav grid-x mobile-nav-bordering"> <h3 class="menu-item large-12 small-12 medium-12 cell mob-heading-nav">COLLECTIONS</h3> <ul class="large-6 small-6 medium-6 cell parent-ul-menu"> <li class="menu-item"> <a class="nav-child-link" href="/sections/amazing-women-chemistry.html">Amazing Women of Chemistry</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/bench-cubicle.html">Bench &amp; Cubicle</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/career-ladder.html">Career Ladder</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/in-memoriam.html">In Memoriam</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/movers-and-shakers.html">Movers and Shakers</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/newscripts.html">Newscripts</a></li> <li class="menu-item"> <a class="nav-child-link" href="/sections/nobel-prize-chemistry.html">Nobel Prize in Chemistry</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/office-hours.html">Office Hours</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/opinion.html">Opinion</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/periodicgraphics.html">Periodic Graphics</a></li> </ul> <ul class="large-6 small-6 medium-6 cell parent-ul-menu"> <li class="menu-item"> <a class="nav-child-link" href="/collections/quizzes.html">Quizzes</a></li> <li class="menu-item"> <a class="nav-child-link" href="/sections/sketch-chemistry.html">Sketch Chemistry</a></li> <li class="menu-item"> <a class="nav-child-link" href="/sections/speaking-of-chemistry.html">Speaking of Chemistry</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/whats-that-stuff.html">What&#39;s That Stuff?</a></li> <li class="menu-item"> <a class="nav-child-link" href="/sections/arabic.html">باللغة العربية C&amp;EN</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/espanol.html">C&amp;EN en Español</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/chinese.html">C&amp;EN中文版</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/portugues.html">C&amp;EN em Português</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/webinars.html">C&amp;EN Webinars</a></li> <li class="menu-item"> <a class="nav-child-link" href="/collections/whitepapers.html">C&amp;EN White Papers &amp; eBooks</a></li> </ul> </div> </div> </div> <div> <li class="main-nav-child hide-for-mobile-nav"><a href="/sections/stereo-chemistry-podcast.html" class="nav-element topic-pane">PODCASTS </a> </li> <div> <div class="hide-for-desktop-nav grid-x mobile-nav-bordering"> <h3 class="menu-item large-12 small-12 medium-12 cell mob-heading-nav no-menu-heading"><a href="/sections/stereo-chemistry-podcast.html">PODCASTS <i class="fa fa-caret-right" aria-hidden="true"></i></a></h3> </div> </div> </div> <div> <li class="main-nav-child hide-for-mobile-nav"><a href="/collections/chemistry-in-pictures.html" class="nav-element topic-pane">CHEMPICS </a> </li> <div> <div class="hide-for-desktop-nav grid-x mobile-nav-bordering"> <h3 class="menu-item large-12 small-12 medium-12 cell mob-heading-nav no-menu-heading"><a href="/collections/chemistry-in-pictures.html">CHEMPICS <i class="fa fa-caret-right" aria-hidden="true"></i></a></h3> </div> </div> </div> <div> <li class="main-nav-child hide-for-mobile-nav"><a href="https://chemistryjobs.acs.org/" class="nav-element topic-pane">JOBS </a> </li> <div> <div class="hide-for-desktop-nav grid-x mobile-nav-bordering"> <h3 class="menu-item large-12 small-12 medium-12 cell mob-heading-nav no-menu-heading"><a href="https://chemistryjobs.acs.org/">JOBS <i class="fa fa-caret-right" aria-hidden="true"></i></a></h3> </div> </div> </div> </ul> </div> </div> </div> <div class="mobile-nav-footer"> <div class="follow-header">FOLLOW US</div> <div class="follow-social" style="font-size:15px;"> <ul class="social-link-footer"> <li class="social-list"> <a rel="noopener" class="social-list-link" href="https://www.facebook.com/CENews" target="_blank" title="Facebook"> <i class="fa fa-facebook social-link-icon"></i> </a> </li> </ul> <ul class="social-link-footer"> <li class="social-list"> <a rel="noopener" class="social-list-link" href="https://www.instagram.com/cenmag/" target="_blank" title="Instagram"> <i class="fa fa-instagram social-link-icon"></i> </a> </li> </ul> <ul class="social-link-footer"> <li class="social-list"> <a rel="noopener" class="social-list-link" href="https://twitter.com/cenmag" target="_blank" title="X"> <i class="fa fa-twitter social-link-icon"></i> </a> </li> </ul> <ul class="social-link-footer"> <li class="social-list"> <a rel="noopener" class="social-list-link" href="https://www.linkedin.com/showcase/c&en/" target="_blank" title="LinkedIn"> <i class="fa fa-linkedin social-link-icon"></i> </a> </li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </header> <script> var date = new Date(); var y = date.getFullYear(); var m = date.getMonth()+1; var d = date.getDate(); var mode = 'true'; var searchpgName if(mode=='true') { searchpgName ="/search.html"; } else{ searchpgName ="/content/cen/search.html"; } function performSearchH() { var withQuery= searchpgName+"?q="+encodeURIComponent(document.getElementById("q").value)+"&sortBy=relevance&rpp=10&startYear=1998&startMonth=08&startDay=01&endYear="+y+"&endMonth="+m+"&endDay="+d+"&topics=all"; var withoutQuery= searchpgName; var valueCheck = document.getElementById("q").value; if(valueCheck!="" && valueCheck.length>0){ document.location.href=withQuery; } else{ document.location.href=withoutQuery; } } function performSearchMobile() { var withQuery=searchpgName+"?q="+encodeURIComponent(document.getElementById("mobile-search-box").value)+"&sortBy=relevance&rpp=10&startYear=1998&startMonth=08&startDay=01&endYear="+y+"&endMonth="+m+"&endDay="+d+"&topics=all"; var withoutQuery= searchpgName; var valueCheck = document.getElementById("mobile-search-box").value; if(valueCheck!="" && valueCheck.length>0){ document.location.href=withQuery; } else{ document.location.href=withoutQuery; } } </script></div> </div> </div> </div> </div> <div class="experiencefragment aem-GridColumn aem-GridColumn--default--12"> <div class="xf-content-height"> <div class="root responsivegrid"> <div class="aem-Grid aem-Grid--12 aem-Grid--default--12 "> <div class="cookieBar aem-GridColumn aem-GridColumn--default--12"> <div class="grid-x cookie-container cookie-container-fixed" id="cookie-main-bar"> <div class="cell small-9 mediun-10 large-9"> <div class="cookie-text"> <p>This site uses cookies to enhance your user experience. By continuing to use this site you are agreeing to our <a href="https://www.acs.org/content/acs/en/privacy.html#cookies" target="_blank" rel="noopener noreferrer">COOKIE POLICY</a>.<br /> </p></div> </div> <div class="cell small-3 mediun-2 large-3 cookie-cta-parent"> <a class="cookie-cta" id="cen-cookie-accept">ACCEPT AND CLOSE </a> </div> </div> </div> <div class="createAccountModal aem-GridColumn aem-GridColumn--default--12"> <div class="small reveal" id="signup-paywall-modal" data-close-on-click="false" data-close-on-esc="true" data-reveal> <div class="top-section-modal"> <button type="button" id="back-two-options" data-signup-back-action="" class="back-btn"><span><i class="cen-icon left-arrow"></i></span> <span class="btn-text"> Back</span> </button> <button class="close-button create-cta-click" data-close aria-label="Close modal" type="button"> <span aria-hidden="true">&times;</span> </button> </div> <div class="modal-top-hr show-for-small-only"></div> <div class="grid-container"> <div class="grid-x grid-margin-x"> <div class="cell small-12"> <h3 class="sign-up-heading typeF hide-signup-type"> Grab your lab coat. Let&#39;s get started </h3> <h3 class="sign-up-heading typeA hide-signup-type"> Welcome! </h3> <h3 class="sign-up-heading typeC typeE hide-signup-type"> Welcome! </h3> <h4 class="signup-subheading typeF hide-signup-type"> Create an account below to get 6 C&amp;EN articles per month, receive newsletters and more - all free. </h4> <h4 class="signup-subheading typeA hide-signup-type"> It seems this is your first time logging in online. Please enter the following information to continue. </h4> <h4 class="signup-subheading typeC typeE hide-signup-type"> As an ACS member you automatically get access to this site. All we need is few more details to create your reading experience. </h4> <h4 class="signup-subheading typeA typeE typeC hide-signup-type margin-0"> <i class="fa fa-user" aria-hidden="true"></i> <span class="check-mark login-step2"><i class="fa fa-info" aria-hidden="true"></i></span> </h4> <h4 class="signup-subheading login-step2 typeA typeE typeC hide-signup-type margin-0" id="signup-disp-username"> </h4> <h4 class="signup-subheading login-step2 typeA hide-signup-type"> <a href="#" id="change-username-offline" class="sign-up-login-lnk create-cta-click">Not you? Sign in with a different account.</a> </h4> <h4 class="signup-subheading login-step2 typeC typeE hide-signup-type"> <a href="#" id="change-username-online" class="sign-up-login-lnk create-cta-click">Not you? Sign in with a different account.</a> </h4> </div> </div> <div class="grid-x grid-margin-x"> <div class="cell small-12 medium-12 large-12"> <p class="login-text login-error sign-up-errors T001 T002 T003 T004 E001 E002 E003 CL01 CL02 X001 X002 X003 SYS100 APP100"> ERROR 1 </p> </div> <input class="pay-signup-input signup-elqfname" type="hidden" value="0518SEHMeterAccountCreation"/> <input class="pay-signup-input signup-elqsiteid" type="hidden" name="elqSiteID" value="1913652004"/> <div class="cell small-12 medium-6 large-6"> <input class="pay-signup-input signup-first-name" type="text" placeholder="First Name"/> <p class="login-text login-error sign-up-errors FN01 APPFN104 APPFLIMIT109 INVALFNAME01"> ERROR 1 </p> </div> <div class="cell small-12 medium-6 large-6"> <input class="pay-signup-input signup-last-name" type="text" placeholder="Last Name"/> <p class="login-text login-error sign-up-errors LN01 APPLN103 APPLLIMIT108 INVALLNAME01"> ERROR 2 </p> </div> <div class="cell small-12 large-12 medium-12"> <input class="pay-signup-input signup-email" type="text" placeholder="Email Address"/> <p class="login-text login-error sign-up-errors EM01 EM02 EM03 EM04 APPEID105"> ERROR 2 </p> </div> <div class="cell small-12 large-12 medium-12"> <input class="pay-signup-input signup-company-id" type="hidden" name="acsOrgId" id="acs-org-id-hidden-f"/> <input class="typeahead" type="text" id="acs-org-company" placeholder="University / company name"/> <p class="login-text login-error sign-up-errors AON01"> ERROR 2 </p> </div> <div class="cell small-12 large-12 medium-12"> <input class="pay-signup-input signup-username" type="text" placeholder="Create a username for your ACS ID"/> <p class="login-text login-error sign-up-errors UN01 UN05 UN02 UN03 UN04 APPUN102 INVALUNAME01"> ERROR 2 </p> </div> <div class="cell small-12 large-12 medium-12"> <input class="pay-signup-input signup-password" type="password" placeholder="Password"/> <p class="login-text login-error sign-up-errors PW01 PW02 APPPSWD106"> ERROR 2 </p> </div> <div class="cell small-12 large-12 medium-12"> <input class="pay-signup-input signup-confirm-password" type="password" placeholder="Confirm password"/> <p class="login-text login-error sign-up-errors CONFIRMPSWD"> Password and Confirm password must match. </p> </div> <div class="cell small-12 large-12 medium-12 member-box"> <p class="membership-text"> If you have an ACS member number, please enter it here so we can link this account to your membership. (optional) </p> <input type="text" class="pay-signup-input signup-membership-number" placeholder="Member number (ex: 123456789)"/> <p class="login-text login-error sign-up-errors EM06 MN01 MN02"> ERROR 2 </p> </div> <div class="cell small-12 large-12 medium-12 typeF"> <fieldset class="large-12 cell"> <input id="signup-newsletter" class="signup-newsletter-chkbox" type="checkbox"/><label class="newsletter-label" for="signup-newsletter">Yes! I want to get the latest chemistry news from C&amp;EN in my inbox every week.</label> </fieldset> </div> <div class="cell small-12 large-12 medium-12"> <p class="discalimer-text"> ACS values your privacy. By submitting your information, you are gaining access to C&amp;EN and subscribing to our weekly newsletter. We use the information you provide to make your reading experience better, and we will never sell your data to third party members. </p> </div> <div class="cell small-12 large-12 medium-12"> <a href="#" class="sign-up-btn button create-cta-click" id="create-account-main-btn"> CREATE ACCOUNT </a> </div> <div class="cell small-12 large-12 medium-12"> <a href="#" onclick="MyWindow=window.open('https://cen.acs.org/static/about/help.html','MyWindow','toolbar=no,location=no,directories=no,status=no, menubar=no,scrollbars=yes,resizable=yes,width=600,height=900'); return false;" class="sign-up-login-lnk float-right help-pass-link typeA hide-signup-type create-cta-click">Need Help?</a> <a href="#" onclick="MyWindow=window.open('https://cen.acs.org/static/about/help.html','MyWindow','toolbar=no,location=no,directories=no,status=no, menubar=no,scrollbars=yes,resizable=yes,width=600,height=900'); return false;" class="sign-up-login-lnk float-right help-pass-link typeC typeE hide-signup-type create-cta-click">Need Help?</a> </div> <div class="cell small-12 large-12 medium-12"> <p class="login-text typeA typeB typeD typeF hide-signup-type"> Already have an ACS ID? <a href="#" id="signup-make-login" class="sign-up-login-lnk create-cta-click">Log in here</a> </p> </div> </div> </div> </div> <script> var createAccountJson = {"SYS100":"System Error","AON01":"Please select a valid University/Company name. For self or retired, enter N/A.", "APP100":"Please enter relevant details", "APPUN102":"Username cannot be empty", "APPLN103":"Last Name cannot be empty", "APPFN104":"First Name cannot be empty", "APPEID105":"Email cannot be empty", "APPPSWD106":"Password cannot be empty", "APPLLIMIT108":"Last name should be less than 30 characters", "APPFLIMIT109":"First name should be less than 30 characters", "T001":"An error has occurred while creating the account. Please contact System Administrator.","T002":"An error has occurred while creating the account. Please contact system administrator.","T003":"An error has occurred while creating the account. Please contact system administrator.","T004":"An error has occurred while creating the account. Please contact system administrator.","FN01":"First name not provided","LN01":"Last name not provided","EM01":"Email address not provided","EM02":"Please enter a valid email address","EM03":"Please enter a valid email address","EM04":"An account already exists for this email address.","EM06":"We need more information to complete your request; please contact Member Services at service@acs.org.","UN01":"User name should be alphanumeric,4 to 16 characters long and can contain special characters'_','-','.'or'@'","UN02":"User name should be alphanumeric,4 to 16 characters long and can contain special characters'_','-','.'or'@'","UN03":"An account already exists for this username.","UN04":"An account already exists for this username. ", "UN05":"User not found","INVALUNAME02": "Invalid Username", "PW01":"Password not provided", "PW02":"Password must use both numbers and letters and be 4 to 16 characters long. It can contain special characters '_','-','.' or '@'", "MN01":"Member number not found. Please enter a valid member number.", "MN02":"Please enter a valid member number. Member numbers are numerical and 9 characters long.", "E001":"Email and last name do not match", "E002":"Email, last name, and member number do not match", "E003":"Email and member number do not match", "CL01":"An error has occurred while creating the account. Please contact system administrator.","CONFIRMPSWD":"Password and Confirm password must match.", "CL02":"An error has occurred while creating the account. Please contact system administrator.", "X001":"An error has occurred while creating the account. Please contact system administrator.", "X002":"An error has occurred while creating the account. Please contact system administrator.", "X003":"An error has occurred while creating the account. Please contact system administrator." ,"INVALUNAME01":"Username should be alphanumeric and can contain special characters '_','-','.' or '@'", "INVALLNAME01":"Last Name should be alphanumeric, not more than 30 characters long and can contain special characters '_','-'", "INVALFNAME01":"First Name should be alphanumeric, not more than 30 characters long and can contain special characters '_','-'"}; localStorage.setItem("errorCodesStore",JSON.stringify(createAccountJson)); var contextPath = 'https://orgsearch.acs.org/acsoipui'; $(function(){ createAccount.init(contextPath); }); </script> <script> var userTypeForAjax=""; function showSignUpModal(type){ ClosePop(); var acsType = "240101_cen_paywall_a" ; var url = window.top.location.href; var redirect_url = "?redirect_url="+encodeURIComponent(url); var source_code = "&sourcecode="+acsType; var redirectPath ="https://account.acs.org/ssoamweb/account/doSignUp?url_success=https%3A%2F%2Fmembershipdev.acs.org%2Finline%2Fmembership%2F"; redirectPath+=encodeURIComponent(redirect_url)+encodeURIComponent(source_code); redirectPath+="&url_cancel="+encodeURIComponent(url); window.top.location.href = redirectPath; } if(window.frameElement) { window.ClosePop = function(){ window.parent.ClosePop(); } } </script> </div> <div class="membershipCategories aem-GridColumn aem-GridColumn--default--12"> <script> var returnToCenLabel = "Return to C%26EN" ; var ctaPath = " https://membership.join.acs.org "; var ctaPath2 = "https://membership.acs.org/inline/membership/ "; var acsType = "240101_cen_paywall_a" ; </script> <div class="modal-dialog modal-dialog-membership reveal large" id="membership-modal" data-close-on-click="false" data-close-on-esc="true" data-reveal> <div class="modal-option"> <div class="modal-content"> <button class="close-button membership-cta-click membership-cta-galabels " data-close data-memtype="x" aria-label="Close modal" type="button"> <span aria-hidden="true">&times;</span> </button> <div class="modal-header"> </div> <div class="membership-modal-hr show-for-small-only"></div> <div class="modal-body"> <div class="grid-container membership-parent-common membership-rev membership-large" id="A"> <div class="modal-body-header grid-x"> <div class="large-12 medium-12 small-12 cell"> <p class="membership-membersubtext"> <span class="membership-discount-text text-left"></span></p> </div> <div class="large-12 medium-12 small-12 cell"> <h2 class="member-text">Cyber Savings Season: Get 30% off ACS membership with promo code CYBER24. Offer valid though Dec. 11.</h2> </div> <div class="large-12 medium-12 small-12 cell"> <h4 class="modal-heading-signup">Access more articles now. Choose the ACS option that’s right for you. <span class="membership-discount-text text-left"></span></h4> </div> <div class="large-12 medium-12 small-12 cell"> <p class="membership-subheader"> Already an ACS Member? <a class="membership-login-cta membership-cta-click membership-cta-galabels" onclick="$('.reveal').foundation('close');showloginpopup(true); return false;" href="#">Log in here</a> &nbsp; </p> </div> <div class="large-12 medium-12 small-12 cell membership-prices-box"> <div class=""> <div class="grid-x"> <div class="large-4 medium-4 small-12 cell top-margin-20"> <div class="large-12 medium-12 small-12 cell membership-box"> <div class="membership-type">Basic</div> <div class="membership-headline-bottom"></div> <div class="membership-price-2 basic-pkg"> <p><b>$0 </b>Community Associate<br /> </p> </div> </div> <div class="large-12 medium-12 small-12 cell text-left top-margin-10"> <div class="membership-benifits text-left top-basic-margin-10"> <p><b>ACS’s Basic Package keeps you connected with C&amp;EN and ACS.</b></p> <ul><li>Access to 6 digital C&amp;EN articles per month on cen.acs.org</li><li>Weekly delivery of the C&amp;EN Essential newsletter</li></ul> </div> </div> <a href="#" class="communityMembership-cta membership-cta-click" data-memtype="Basic Package">JOIN NOW</a><br/> </div> <div class="large-4 medium-4 small-12 cell top-margin-20"> <div class="large-12 medium-12 small-12 cell membership-box"> <div class="membership-type">Standard</div> <div class="membership-headline-bottom"></div> <div class="membership-price-2 standard-pkg"> <p><b>$80</b> Regular Members &amp; Society Affiliates</p> </div> </div> <div class="large-12 medium-12 small-12 cell text-left top-margin-10"> <div class="membership-benifits text-left top-margin-10"> <p><b>ACS’s Standard Package lets you stay up to date with C&amp;EN, stay active in ACS, and save.</b></p> <ul><li>Access to 10 digital C&amp;EN articles per month on cen.acs.org</li><li>Weekly delivery of the digital C&amp;EN Magazine</li><li>Access to our <a href="https://cen.acs.org/static/about/mobile.html">Chemistry News by C&amp;EN mobile app</a></li></ul> <div><b>Eligibility restrictions apply. Review <a href="https://www.acs.org/membership/member-benefits.html">ACS Membership Packages</a> to see if you qualify.</b><br /> <br /> </div> </div> </div> <a href="#" class="membership-cta membership-cta-click" data-memtype="Standard Package">JOIN NOW</a><br/> </div> <div class="large-4 medium-4 small-12 cell top-margin-20"> <div class="large-12 medium-12 small-12 cell membership-box"> <div class="membership-type"> Premium</div> <div class="membership-headline-bottom"></div> <div class="membership-price-2"> <p><b>$160 </b>Regular Members &amp; Society Affiliates<br /> <b>$55</b> Graduate Students<br /> <b>$25</b> Undergraduate Students</p> </div> </div> <div class="large-12 medium-12 small-12 cell text-left top-margin-10"> <div class="membership-benifits text-left top-margin-10"> <p><b>ACS’s Premium Package gives you full access to C&amp;EN and everything the ACS Community has to offer.</b></p> <ul><li>Unlimited access to C&amp;EN’s daily news coverage on cen.acs.org</li><li>Weekly delivery of the C&amp;EN Magazine in print or digital format</li><li>Access to our <a href="https://cen.acs.org/static/about/mobile.html">Chemistry News by C&amp;EN mobile app</a></li><li>Significant discounts on registration for most ACS-sponsored meetings</li></ul> <div><b>ACS offers discounts for some countries outside the United States. This discount is shown at checkout, if applicable.</b><br /> <br /> </div> </div> </div> <a href="#" class="membership-cta membership-cta-click" data-memtype="Premium Package">JOIN NOW</a><br/> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> <script> if(window.frameElement) { window.openMembershipmodal = function(){ $('.reveal').foundation('close'); $('#membership-modal').foundation('open'); } } </script></div> <div class="thankYouModal aem-GridColumn aem-GridColumn--default--12"> <div class="modal-dialog thankyou-modal reveal tiny" id="thankyou-modal" data-close-on-click="false" data-close-on-esc="false" data-reveal> <div class="modal-option"> <div class="modal-content"> <div class="modal-header"> </div> <div class="modal-body"> <div class="grid-container"> <div class="modal-body-header grid-x"> <div class="large-12 medium-12 small-12 cell text-center"> <h2 class="thankyou-header"> Thank you! </h2> <img src="/content/dam/acs-cen-redesign/logo/flask.png" class="thankyou-image"/> <p class="thankyou-membersubtext"> Your account has been created successfully, and a confirmation email is on the way. </p> <p class="thankyou-membersubtext"> Your username is now your ACS ID. </p> <div class="large-8 medium-8 small-12 cell top-margin1 text-center"> <a class="thankyou-cta" id="thank-you-continue-reading-cta" href="#"> <span aria-hidden="true" id="thank-you-submit-text"> CONTINUE READING <!-- conditional text after registration --> <!-- <sly data-sly-test="ENJOY UNLIMITED ACCES TO C&amp;EN"> <a href="#">ENJOY UNLIMITED ACCES TO C&amp;EN</a> </sly> --> </span> </a> </div> </div> </div> </div> </div> </div> </div> </div> <span id="unlimited-thank-you-text" class="hide">ENJOY UNLIMITED ACCES TO C&amp;EN</span> </div> </div> </div> </div> </div> <div class="responsivegrid aem-GridColumn--default--none aem-GridColumn aem-GridColumn--default--8 aem-GridColumn--offset--default--2"> <div class="aem-Grid aem-Grid--8 aem-Grid--default--8 "> <div class="collectionPageIntro aem-GridColumn aem-GridColumn--default--8"> <div class="grid-container"> <div class="grid-x grid-padding-x"> <div class="large-12 medium-12 cell"> </div> </div> </div></div> <div class="htmlComponent aem-GridColumn aem-GridColumn--default--8"> <script language="JavaScript" src="https://ssl.geoplugin.net/javascript.gp?k=bc043d9d349e69c3" type="text/javascript"></script> <script> jQuery(document).ready(function($) { jQuery.getScript('https://ssl.geoplugin.net/javascript.gp?k=bc043d9d349e69c3', function() { var code = geoplugin_countryCode(); if (code == "CN") { $("body").addClass("CN"); } if (code == "HK") { $("body").addClass("CN"); } else { $("body").addClass("US"); } }); }); </script> <style> @import url("/etc/designs/cen-custom/css/collections-adjustments.css"); span.submit-photo-static {width: 100%; display: flex;justify-content: center;} .submit-photo-static.cn {display:none!important} .US .submit-photo.cn {display:none} .CN .submit-photo-static.cn, .all.sticky {display:flex!important} .CN .all {display:none!important} .CN .submit-photo-static.cn.sticky {display:flex!important} .HK .all {display:none!important} .HK .cn.sticky {display:flex!important} </style> </div> <div class="htmlComponent aem-GridColumn aem-GridColumn--default--8"> <span class="submit-photo all"> <a class="btn lightbox-201105613736143 popup-iframe" href="/collections/chemistry-in-pictures/submit-photo.html"> <span>Submit your photo</span> <i class="fa fa-camera" style="margin-left: 5px;" aria-hidden="true"></i> </a> </span> <span class="submit-photo cn"> <a class="btn" href="/collections/chemistry-in-pictures/submit-your-photo-cn.html"> <span>Submit your photo</span> <i class="fa fa-camera" style="margin-left: 5px;" aria-hidden="true"></i> </a> </span> <div class="flex-grid"> <div class="page-title-block"> <div style="text-align: center;"> <img class="lazy" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="CHEMISTRY IN PICTURES" data-src="/content/dam/cen/static/images/chempics/chempiclogolanding.png" data-srcset="/content/dam/cen/static/images/chempics/chempiclogolanding.png 1x,"> </div> <h2 class="page-desc"> <span id="main-collections-description">Showcasing the beauty of chemistry, chemical engineering, and related sciences.</span> </h2> <span class="submit-photo-static all"> <a class="btn lightbox-201105613736143 popup-iframe" href="/collections/chemistry-in-pictures/submit-photo.html">Submit your photo<i class="fa fa-camera" aria-hidden="true"></i></a> </span> <span class="submit-photo-static cn"> <a class="btn" href="/collections/chemistry-in-pictures/submit-your-photo-cn.html">Submit your photo <i class="fa fa-camera" aria-hidden="true"></i></a> </span> <div id="trigger">&nbsp;</div> </div> </div> <script> $(document).ready(function() { $('.popup-iframe').magnificPopup({ type: 'iframe', mainClass: 'mfp-fade', removalDelay: 160, preloader: false, fixedContentPos: true }); }); </script> <script> $(window).on('scroll', function () { if ($(window).scrollTop() >= $('#trigger').offset().top) { $(".submit-photo").addClass("sticky"); $(".submit-photo.cn").addClass("sticky"); } else { $(".submit-photo").removeClass("sticky"); $(".submit-photo.cn").removeClass("sticky"); } }); /*! Magnific Popup - v1.1.0 - 2016-02-20 * http://dimsemenov.com/plugins/magnific-popup/ * Copyright (c) 2016 Dmitry Semenov; */ ; (function (factory) { if (typeof define === 'function' && define.amd) { // AMD. Register as an anonymous module. define(['jquery'], factory); } else if (typeof exports === 'object') { // Node/CommonJS factory(require('jquery')); } else { // Browser globals factory(window.jQuery || window.Zepto); } }(function ($) { /*>>core*/ /** * * Magnific Popup Core JS file * */ /** * Private static constants */ var CLOSE_EVENT = 'Close', BEFORE_CLOSE_EVENT = 'BeforeClose', AFTER_CLOSE_EVENT = 'AfterClose', BEFORE_APPEND_EVENT = 'BeforeAppend', MARKUP_PARSE_EVENT = 'MarkupParse', OPEN_EVENT = 'Open', CHANGE_EVENT = 'Change', NS = 'mfp', EVENT_NS = '.' + NS, READY_CLASS = 'mfp-ready', REMOVING_CLASS = 'mfp-removing', PREVENT_CLOSE_CLASS = 'mfp-prevent-close'; /** * Private vars */ /*jshint -W079 */ var mfp, // As we have only one instance of MagnificPopup object, we define it locally to not to use 'this' MagnificPopup = function () { }, _isJQ = !!(window.jQuery), _prevStatus, _window = $(window), _document, _prevContentType, _wrapClasses, _currPopupType; /** * Private functions */ var _mfpOn = function (name, f) { mfp.ev.on(NS + name + EVENT_NS, f); }, _getEl = function (className, appendTo, html, raw) { var el = document.createElement('div'); el.className = 'mfp-' + className; if (html) { el.innerHTML = html; } if (!raw) { el = $(el); if (appendTo) { el.appendTo(appendTo); } } else if (appendTo) { appendTo.appendChild(el); } return el; }, _mfpTrigger = function (e, data) { mfp.ev.triggerHandler(NS + e, data); if (mfp.st.callbacks) { // converts "mfpEventName" to "eventName" callback and triggers it if it's present e = e.charAt(0).toLowerCase() + e.slice(1); if (mfp.st.callbacks[e]) { mfp.st.callbacks[e].apply(mfp, $.isArray(data) ? data : [data]); } } }, _getCloseBtn = function (type) { if (type !== _currPopupType || !mfp.currTemplate.closeBtn) { mfp.currTemplate.closeBtn = $(mfp.st.closeMarkup.replace('%title%', mfp.st.tClose)); _currPopupType = type; } return mfp.currTemplate.closeBtn; }, // Initialize Magnific Popup only when called at least once _checkInstance = function () { if (!$.magnificPopup.instance) { /*jshint -W020 */ mfp = new MagnificPopup(); mfp.init(); $.magnificPopup.instance = mfp; } }, // CSS transition detection, http://stackoverflow.com/questions/7264899/detect-css-transitions-using-javascript-and-without-modernizr supportsTransitions = function () { var s = document.createElement('p').style, // 's' for style. better to create an element if body yet to exist v = ['ms', 'O', 'Moz', 'Webkit']; // 'v' for vendor if (s['transition'] !== undefined) { return true; } while (v.length) { if (v.pop() + 'Transition' in s) { return true; } } return false; }; /** * Public functions */ MagnificPopup.prototype = { constructor: MagnificPopup, /** * Initializes Magnific Popup plugin. * This function is triggered only once when $.fn.magnificPopup or $.magnificPopup is executed */ init: function () { var appVersion = navigator.appVersion; mfp.isLowIE = mfp.isIE8 = document.all && !document.addEventListener; mfp.isAndroid = (/android/gi).test(appVersion); mfp.isIOS = (/iphone|ipad|ipod/gi).test(appVersion); mfp.supportsTransition = supportsTransitions(); // We disable fixed positioned lightbox on devices that don't handle it nicely. // If you know a better way of detecting this - let me know. mfp.probablyMobile = (mfp.isAndroid || mfp.isIOS || /(Opera Mini)|Kindle|webOS|BlackBerry|(Opera Mobi)|(Windows Phone)|IEMobile/i.test(navigator.userAgent)); _document = $(document); mfp.popupsCache = {}; }, /** * Opens popup * @param data [description] */ open: function (data) { var i; if (data.isObj === false) { // convert jQuery collection to array to avoid conflicts later mfp.items = data.items.toArray(); mfp.index = 0; var items = data.items, item; for (i = 0; i < items.length; i++) { item = items[i]; if (item.parsed) { item = item.el[0]; } if (item === data.el[0]) { mfp.index = i; break; } } } else { mfp.items = $.isArray(data.items) ? data.items : [data.items]; mfp.index = data.index || 0; } // if popup is already opened - we just update the content if (mfp.isOpen) { mfp.updateItemHTML(); return; } mfp.types = []; _wrapClasses = ''; if (data.mainEl && data.mainEl.length) { mfp.ev = data.mainEl.eq(0); } else { mfp.ev = _document; } if (data.key) { if (!mfp.popupsCache[data.key]) { mfp.popupsCache[data.key] = {}; } mfp.currTemplate = mfp.popupsCache[data.key]; } else { mfp.currTemplate = {}; } mfp.st = $.extend(true, {}, $.magnificPopup.defaults, data); mfp.fixedContentPos = mfp.st.fixedContentPos === 'auto' ? !mfp.probablyMobile : mfp.st.fixedContentPos; if (mfp.st.modal) { mfp.st.closeOnContentClick = false; mfp.st.closeOnBgClick = false; mfp.st.showCloseBtn = false; mfp.st.enableEscapeKey = false; } // Building markup // main containers are created only once if (!mfp.bgOverlay) { // Dark overlay mfp.bgOverlay = _getEl('bg').on('click' + EVENT_NS, function () { mfp.close(); }); mfp.wrap = _getEl('wrap').attr('tabindex', -1).on('click' + EVENT_NS, function (e) { if (mfp._checkIfClose(e.target)) { mfp.close(); } }); mfp.container = _getEl('container', mfp.wrap); } mfp.contentContainer = _getEl('content'); if (mfp.st.preloader) { mfp.preloader = _getEl('preloader', mfp.container, mfp.st.tLoading); } // Initializing modules var modules = $.magnificPopup.modules; for (i = 0; i < modules.length; i++) { var n = modules[i]; n = n.charAt(0).toUpperCase() + n.slice(1); mfp['init' + n].call(mfp); } _mfpTrigger('BeforeOpen'); if (mfp.st.showCloseBtn) { // Close button if (!mfp.st.closeBtnInside) { mfp.wrap.append(_getCloseBtn()); } else { _mfpOn(MARKUP_PARSE_EVENT, function (e, template, values, item) { values.close_replaceWith = _getCloseBtn(item.type); }); _wrapClasses += ' mfp-close-btn-in'; } } if (mfp.st.alignTop) { _wrapClasses += ' mfp-align-top'; } if (mfp.fixedContentPos) { mfp.wrap.css({ overflow: mfp.st.overflowY, overflowX: 'hidden', overflowY: mfp.st.overflowY }); } else { mfp.wrap.css({ top: _window.scrollTop(), position: 'absolute' }); } if (mfp.st.fixedBgPos === false || (mfp.st.fixedBgPos === 'auto' && !mfp.fixedContentPos)) { mfp.bgOverlay.css({ height: _document.height(), position: 'absolute' }); } if (mfp.st.enableEscapeKey) { // Close on ESC key _document.on('keyup' + EVENT_NS, function (e) { if (e.keyCode === 27) { mfp.close(); } }); } _window.on('resize' + EVENT_NS, function () { mfp.updateSize(); }); if (!mfp.st.closeOnContentClick) { _wrapClasses += ' mfp-auto-cursor'; } if (_wrapClasses) mfp.wrap.addClass(_wrapClasses); // this triggers recalculation of layout, so we get it once to not to trigger twice var windowHeight = mfp.wH = _window.height(); var windowStyles = {}; if (mfp.fixedContentPos) { if (mfp._hasScrollBar(windowHeight)) { var s = mfp._getScrollbarSize(); if (s) { windowStyles.marginRight = s; } } } if (mfp.fixedContentPos) { if (!mfp.isIE7) { windowStyles.overflow = 'hidden'; } else { // ie7 double-scroll bug $('body, html').css('overflow', 'hidden'); } } var classesToadd = mfp.st.mainClass; if (mfp.isIE7) { classesToadd += ' mfp-ie7'; } if (classesToadd) { mfp._addClassToMFP(classesToadd); } // add content mfp.updateItemHTML(); _mfpTrigger('BuildControls'); // remove scrollbar, add margin e.t.c $('html').css(windowStyles); // add everything to DOM mfp.bgOverlay.add(mfp.wrap).prependTo(mfp.st.prependTo || $(document.body)); // Save last focused element mfp._lastFocusedEl = document.activeElement; // Wait for next cycle to allow CSS transition setTimeout(function () { if (mfp.content) { mfp._addClassToMFP(READY_CLASS); mfp._setFocus(); } else { // if content is not defined (not loaded e.t.c) we add class only for BG mfp.bgOverlay.addClass(READY_CLASS); } // Trap the focus in popup _document.on('focusin' + EVENT_NS, mfp._onFocusIn); }, 16); mfp.isOpen = true; mfp.updateSize(windowHeight); _mfpTrigger(OPEN_EVENT); return data; }, /** * Closes the popup */ close: function () { if (!mfp.isOpen) return; _mfpTrigger(BEFORE_CLOSE_EVENT); mfp.isOpen = false; // for CSS3 animation if (mfp.st.removalDelay && !mfp.isLowIE && mfp.supportsTransition) { mfp._addClassToMFP(REMOVING_CLASS); setTimeout(function () { mfp._close(); }, mfp.st.removalDelay); } else { mfp._close(); } }, /** * Helper for close() function */ _close: function () { _mfpTrigger(CLOSE_EVENT); var classesToRemove = REMOVING_CLASS + ' ' + READY_CLASS + ' '; mfp.bgOverlay.detach(); mfp.wrap.detach(); mfp.container.empty(); if (mfp.st.mainClass) { classesToRemove += mfp.st.mainClass + ' '; } mfp._removeClassFromMFP(classesToRemove); if (mfp.fixedContentPos) { var windowStyles = { marginRight: '' }; if (mfp.isIE7) { $('body, html').css('overflow', ''); } else { windowStyles.overflow = ''; } $('html').css(windowStyles); } _document.off('keyup' + EVENT_NS + ' focusin' + EVENT_NS); mfp.ev.off(EVENT_NS); // clean up DOM elements that aren't removed mfp.wrap.attr('class', 'mfp-wrap').removeAttr('style'); mfp.bgOverlay.attr('class', 'mfp-bg'); mfp.container.attr('class', 'mfp-container'); // remove close button from target element if (mfp.st.showCloseBtn && (!mfp.st.closeBtnInside || mfp.currTemplate[mfp.currItem.type] === true)) { if (mfp.currTemplate.closeBtn) mfp.currTemplate.closeBtn.detach(); } if (mfp.st.autoFocusLast && mfp._lastFocusedEl) { $(mfp._lastFocusedEl).focus(); // put tab focus back } mfp.currItem = null; mfp.content = null; mfp.currTemplate = null; mfp.prevHeight = 0; _mfpTrigger(AFTER_CLOSE_EVENT); }, updateSize: function (winHeight) { if (mfp.isIOS) { // fixes iOS nav bars https://github.com/dimsemenov/Magnific-Popup/issues/2 var zoomLevel = document.documentElement.clientWidth / window.innerWidth; var height = window.innerHeight * zoomLevel; mfp.wrap.css('height', height); mfp.wH = height; } else { mfp.wH = winHeight || _window.height(); } // Fixes #84: popup incorrectly positioned with position:relative on body if (!mfp.fixedContentPos) { mfp.wrap.css('height', mfp.wH); } _mfpTrigger('Resize'); }, /** * Set content of popup based on current index */ updateItemHTML: function () { var item = mfp.items[mfp.index]; // Detach and perform modifications mfp.contentContainer.detach(); if (mfp.content) mfp.content.detach(); if (!item.parsed) { item = mfp.parseEl(mfp.index); } var type = item.type; _mfpTrigger('BeforeChange', [mfp.currItem ? mfp.currItem.type : '', type]); // BeforeChange event works like so: // _mfpOn('BeforeChange', function(e, prevType, newType) { }); mfp.currItem = item; if (!mfp.currTemplate[type]) { var markup = mfp.st[type] ? mfp.st[type].markup : false; // allows to modify markup _mfpTrigger('FirstMarkupParse', markup); if (markup) { mfp.currTemplate[type] = $(markup); } else { // if there is no markup found we just define that template is parsed mfp.currTemplate[type] = true; } } if (_prevContentType && _prevContentType !== item.type) { mfp.container.removeClass('mfp-' + _prevContentType + '-holder'); } var newContent = mfp['get' + type.charAt(0).toUpperCase() + type.slice(1)](item, mfp.currTemplate[type]); mfp.appendContent(newContent, type); item.preloaded = true; _mfpTrigger(CHANGE_EVENT, item); _prevContentType = item.type; // Append container back after its content changed mfp.container.prepend(mfp.contentContainer); _mfpTrigger('AfterChange'); }, /** * Set HTML content of popup */ appendContent: function (newContent, type) { mfp.content = newContent; if (newContent) { if (mfp.st.showCloseBtn && mfp.st.closeBtnInside && mfp.currTemplate[type] === true) { // if there is no markup, we just append close button element inside if (!mfp.content.find('.mfp-close').length) { mfp.content.append(_getCloseBtn()); } } else { mfp.content = newContent; } } else { mfp.content = ''; } _mfpTrigger(BEFORE_APPEND_EVENT); mfp.container.addClass('mfp-' + type + '-holder'); mfp.contentContainer.append(mfp.content); }, /** * Creates Magnific Popup data object based on given data * @param {int} index Index of item to parse */ parseEl: function (index) { var item = mfp.items[index], type; if (item.tagName) { item = { el: $(item) }; } else { type = item.type; item = { data: item, src: item.src }; } if (item.el) { var types = mfp.types; // check for 'mfp-TYPE' class for (var i = 0; i < types.length; i++) { if (item.el.hasClass('mfp-' + types[i])) { type = types[i]; break; } } item.src = item.el.attr('data-mfp-src'); if (!item.src) { item.src = item.el.attr('href'); } } item.type = type || mfp.st.type || 'inline'; item.index = index; item.parsed = true; mfp.items[index] = item; _mfpTrigger('ElementParse', item); return mfp.items[index]; }, /** * Initializes single popup or a group of popups */ addGroup: function (el, options) { var eHandler = function (e) { e.mfpEl = this; mfp._openClick(e, el, options); }; if (!options) { options = {}; } var eName = 'click.magnificPopup'; options.mainEl = el; if (options.items) { options.isObj = true; el.off(eName).on(eName, eHandler); } else { options.isObj = false; if (options.delegate) { el.off(eName).on(eName, options.delegate, eHandler); } else { options.items = el; el.off(eName).on(eName, eHandler); } } }, _openClick: function (e, el, options) { var midClick = options.midClick !== undefined ? options.midClick : $.magnificPopup.defaults.midClick; if (!midClick && (e.which === 2 || e.ctrlKey || e.metaKey || e.altKey || e.shiftKey)) { return; } var disableOn = options.disableOn !== undefined ? options.disableOn : $.magnificPopup.defaults.disableOn; if (disableOn) { if ($.isFunction(disableOn)) { if (!disableOn.call(mfp)) { return true; } } else { // else it's number if (_window.width() < disableOn) { return true; } } } if (e.type) { e.preventDefault(); // This will prevent popup from closing if element is inside and popup is already opened if (mfp.isOpen) { e.stopPropagation(); } } options.el = $(e.mfpEl); if (options.delegate) { options.items = el.find(options.delegate); } mfp.open(options); }, /** * Updates text on preloader */ updateStatus: function (status, text) { if (mfp.preloader) { if (_prevStatus !== status) { mfp.container.removeClass('mfp-s-' + _prevStatus); } if (!text && status === 'loading') { text = mfp.st.tLoading; } var data = { status: status, text: text }; // allows to modify status _mfpTrigger('UpdateStatus', data); status = data.status; text = data.text; mfp.preloader.html(text); mfp.preloader.find('a').on('click', function (e) { e.stopImmediatePropagation(); }); mfp.container.addClass('mfp-s-' + status); _prevStatus = status; } }, /* "Private" helpers that aren't private at all */ // Check to close popup or not // "target" is an element that was clicked _checkIfClose: function (target) { if ($(target).hasClass(PREVENT_CLOSE_CLASS)) { return; } var closeOnContent = mfp.st.closeOnContentClick; var closeOnBg = mfp.st.closeOnBgClick; if (closeOnContent && closeOnBg) { return true; } else { // We close the popup if click is on close button or on preloader. Or if there is no content. if (!mfp.content || $(target).hasClass('mfp-close') || (mfp.preloader && target === mfp.preloader[0])) { return true; } // if click is outside the content if ((target !== mfp.content[0] && !$.contains(mfp.content[0], target))) { if (closeOnBg) { // last check, if the clicked element is in DOM, (in case it's removed onclick) if ($.contains(document, target)) { return true; } } } else if (closeOnContent) { return true; } } return false; }, _addClassToMFP: function (cName) { mfp.bgOverlay.addClass(cName); mfp.wrap.addClass(cName); }, _removeClassFromMFP: function (cName) { this.bgOverlay.removeClass(cName); mfp.wrap.removeClass(cName); }, _hasScrollBar: function (winHeight) { return ((mfp.isIE7 ? _document.height() : document.body.scrollHeight) > (winHeight || _window.height())); }, _setFocus: function () { (mfp.st.focus ? mfp.content.find(mfp.st.focus).eq(0) : mfp.wrap).focus(); }, _onFocusIn: function (e) { if (e.target !== mfp.wrap[0] && !$.contains(mfp.wrap[0], e.target)) { mfp._setFocus(); return false; } }, _parseMarkup: function (template, values, item) { var arr; if (item.data) { values = $.extend(item.data, values); } _mfpTrigger(MARKUP_PARSE_EVENT, [template, values, item]); $.each(values, function (key, value) { if (value === undefined || value === false) { return true; } arr = key.split('_'); if (arr.length > 1) { var el = template.find(EVENT_NS + '-' + arr[0]); if (el.length > 0) { var attr = arr[1]; if (attr === 'replaceWith') { if (el[0] !== value[0]) { el.replaceWith(value); } } else if (attr === 'img') { if (el.is('img')) { el.attr('src', value); } else { el.replaceWith($('<img>').attr('src', value).attr('class', el.attr('class'))); } } else { el.attr(arr[1], value); } } } else { template.find(EVENT_NS + '-' + key).html(value); } }); }, _getScrollbarSize: function () { // thx David if (mfp.scrollbarSize === undefined) { var scrollDiv = document.createElement("div"); scrollDiv.style.cssText = 'width: 99px; height: 99px; overflow: scroll; position: absolute; top: -9999px;'; document.body.appendChild(scrollDiv); mfp.scrollbarSize = scrollDiv.offsetWidth - scrollDiv.clientWidth; document.body.removeChild(scrollDiv); } return mfp.scrollbarSize; } }; /* MagnificPopup core prototype end */ /** * Public static functions */ $.magnificPopup = { instance: null, proto: MagnificPopup.prototype, modules: [], open: function (options, index) { _checkInstance(); if (!options) { options = {}; } else { options = $.extend(true, {}, options); } options.isObj = true; options.index = index || 0; return this.instance.open(options); }, close: function () { return $.magnificPopup.instance && $.magnificPopup.instance.close(); }, registerModule: function (name, module) { if (module.options) { $.magnificPopup.defaults[name] = module.options; } $.extend(this.proto, module.proto); this.modules.push(name); }, defaults: { // Info about options is in docs: // http://dimsemenov.com/plugins/magnific-popup/documentation.html#options disableOn: 0, key: null, midClick: false, mainClass: '', preloader: true, focus: '', // CSS selector of input to focus after popup is opened closeOnContentClick: false, closeOnBgClick: true, closeBtnInside: true, showCloseBtn: true, enableEscapeKey: true, modal: false, alignTop: false, removalDelay: 0, prependTo: null, fixedContentPos: 'auto', fixedBgPos: 'auto', overflowY: 'auto', closeMarkup: '<button title="%title%" type="button" class="mfp-close">&#215;</button>', tClose: 'Close (Esc)', tLoading: 'Loading...', autoFocusLast: true } }; $.fn.magnificPopup = function (options) { _checkInstance(); var jqEl = $(this); // We call some API method of first param is a string if (typeof options === "string") { if (options === 'open') { var items, itemOpts = _isJQ ? jqEl.data('magnificPopup') : jqEl[0].magnificPopup, index = parseInt(arguments[1], 10) || 0; if (itemOpts.items) { items = itemOpts.items[index]; } else { items = jqEl; if (itemOpts.delegate) { items = items.find(itemOpts.delegate); } items = items.eq(index); } mfp._openClick({ mfpEl: items }, jqEl, itemOpts); } else { if (mfp.isOpen) mfp[options].apply(mfp, Array.prototype.slice.call(arguments, 1)); } } else { // clone options obj options = $.extend(true, {}, options); /* * As Zepto doesn't support .data() method for objects * and it works only in normal browsers * we assign "options" object directly to the DOM element. FTW! */ if (_isJQ) { jqEl.data('magnificPopup', options); } else { jqEl[0].magnificPopup = options; } mfp.addGroup(jqEl, options); } return jqEl; }; /*>>core*/ /*>>inline*/ var INLINE_NS = 'inline', _hiddenClass, _inlinePlaceholder, _lastInlineElement, _putInlineElementsBack = function () { if (_lastInlineElement) { _inlinePlaceholder.after(_lastInlineElement.addClass(_hiddenClass)).detach(); _lastInlineElement = null; } }; $.magnificPopup.registerModule(INLINE_NS, { options: { hiddenClass: 'hide', // will be appended with `mfp-` prefix markup: '', tNotFound: 'Content not found' }, proto: { initInline: function () { mfp.types.push(INLINE_NS); _mfpOn(CLOSE_EVENT + '.' + INLINE_NS, function () { _putInlineElementsBack(); }); }, getInline: function (item, template) { _putInlineElementsBack(); if (item.src) { var inlineSt = mfp.st.inline, el = $(item.src); if (el.length) { // If target element has parent - we replace it with placeholder and put it back after popup is closed var parent = el[0].parentNode; if (parent && parent.tagName) { if (!_inlinePlaceholder) { _hiddenClass = inlineSt.hiddenClass; _inlinePlaceholder = _getEl(_hiddenClass); _hiddenClass = 'mfp-' + _hiddenClass; } // replace target inline element with placeholder _lastInlineElement = el.after(_inlinePlaceholder).detach().removeClass(_hiddenClass); } mfp.updateStatus('ready'); } else { mfp.updateStatus('error', inlineSt.tNotFound); el = $('<div>'); } item.inlineElement = el; return el; } mfp.updateStatus('ready'); mfp._parseMarkup(template, {}, item); return template; } } }); /*>>inline*/ /*>>ajax*/ var AJAX_NS = 'ajax', _ajaxCur, _removeAjaxCursor = function () { if (_ajaxCur) { $(document.body).removeClass(_ajaxCur); } }, _destroyAjaxRequest = function () { _removeAjaxCursor(); if (mfp.req) { mfp.req.abort(); } }; $.magnificPopup.registerModule(AJAX_NS, { options: { settings: null, cursor: 'mfp-ajax-cur', tError: '<a href="%url%">The content</a> could not be loaded.' }, proto: { initAjax: function () { mfp.types.push(AJAX_NS); _ajaxCur = mfp.st.ajax.cursor; _mfpOn(CLOSE_EVENT + '.' + AJAX_NS, _destroyAjaxRequest); _mfpOn('BeforeChange.' + AJAX_NS, _destroyAjaxRequest); }, getAjax: function (item) { if (_ajaxCur) { $(document.body).addClass(_ajaxCur); } mfp.updateStatus('loading'); var opts = $.extend({ url: item.src, success: function (data, textStatus, jqXHR) { var temp = { data: data, xhr: jqXHR }; _mfpTrigger('ParseAjax', temp); mfp.appendContent($(temp.data), AJAX_NS); item.finished = true; _removeAjaxCursor(); mfp._setFocus(); setTimeout(function () { mfp.wrap.addClass(READY_CLASS); }, 16); mfp.updateStatus('ready'); _mfpTrigger('AjaxContentAdded'); }, error: function () { _removeAjaxCursor(); item.finished = item.loadError = true; mfp.updateStatus('error', mfp.st.ajax.tError.replace('%url%', item.src)); } }, mfp.st.ajax.settings); mfp.req = $.ajax(opts); return ''; } } }); /*>>ajax*/ /*>>image*/ var _imgInterval, _getTitle = function (item) { if (item.data && item.data.title !== undefined) return item.data.title; var src = mfp.st.image.titleSrc; if (src) { if ($.isFunction(src)) { return src.call(mfp, item); } else if (item.el) { return item.el.attr(src) || ''; } } return ''; }; $.magnificPopup.registerModule('image', { options: { markup: '<div class="mfp-figure">' + '<div class="mfp-close"></div>' + '<figure>' + '<div class="mfp-img"></div>' + '<figcaption>' + '<div class="mfp-bottom-bar">' + '<div class="mfp-title"></div>' + '<div class="mfp-counter"></div>' + '</div>' + '</figcaption>' + '</figure>' + '</div>', cursor: 'mfp-zoom-out-cur', titleSrc: 'title', verticalFit: true, tError: '<a href="%url%">The image</a> could not be loaded.' }, proto: { initImage: function () { var imgSt = mfp.st.image, ns = '.image'; mfp.types.push('image'); _mfpOn(OPEN_EVENT + ns, function () { if (mfp.currItem.type === 'image' && imgSt.cursor) { $(document.body).addClass(imgSt.cursor); } }); _mfpOn(CLOSE_EVENT + ns, function () { if (imgSt.cursor) { $(document.body).removeClass(imgSt.cursor); } _window.off('resize' + EVENT_NS); }); _mfpOn('Resize' + ns, mfp.resizeImage); if (mfp.isLowIE) { _mfpOn('AfterChange', mfp.resizeImage); } }, resizeImage: function () { var item = mfp.currItem; if (!item || !item.img) return; if (mfp.st.image.verticalFit) { var decr = 0; // fix box-sizing in ie7/8 if (mfp.isLowIE) { decr = parseInt(item.img.css('padding-top'), 10) + parseInt(item.img.css('padding-bottom'), 10); } item.img.css('max-height', mfp.wH - decr); } }, _onImageHasSize: function (item) { if (item.img) { item.hasSize = true; if (_imgInterval) { clearInterval(_imgInterval); } item.isCheckingImgSize = false; _mfpTrigger('ImageHasSize', item); if (item.imgHidden) { if (mfp.content) mfp.content.removeClass('mfp-loading'); item.imgHidden = false; } } }, /** * Function that loops until the image has size to display elements that rely on it asap */ findImageSize: function (item) { var counter = 0, img = item.img[0], mfpSetInterval = function (delay) { if (_imgInterval) { clearInterval(_imgInterval); } // decelerating interval that checks for size of an image _imgInterval = setInterval(function () { if (img.naturalWidth > 0) { mfp._onImageHasSize(item); return; } if (counter > 200) { clearInterval(_imgInterval); } counter++; if (counter === 3) { mfpSetInterval(10); } else if (counter === 40) { mfpSetInterval(50); } else if (counter === 100) { mfpSetInterval(500); } }, delay); }; mfpSetInterval(1); }, getImage: function (item, template) { var guard = 0, // image load complete handler onLoadComplete = function () { if (item) { if (item.img[0].complete) { item.img.off('.mfploader'); if (item === mfp.currItem) { mfp._onImageHasSize(item); mfp.updateStatus('ready'); } item.hasSize = true; item.loaded = true; _mfpTrigger('ImageLoadComplete'); } else { // if image complete check fails 200 times (20 sec), we assume that there was an error. guard++; if (guard < 200) { setTimeout(onLoadComplete, 100); } else { onLoadError(); } } } }, // image error handler onLoadError = function () { if (item) { item.img.off('.mfploader'); if (item === mfp.currItem) { mfp._onImageHasSize(item); mfp.updateStatus('error', imgSt.tError.replace('%url%', item.src)); } item.hasSize = true; item.loaded = true; item.loadError = true; } }, imgSt = mfp.st.image; var el = template.find('.mfp-img'); if (el.length) { var img = document.createElement('img'); img.className = 'mfp-img'; if (item.el && item.el.find('img').length) { img.alt = item.el.find('img').attr('alt'); } item.img = $(img).on('load.mfploader', onLoadComplete).on('error.mfploader', onLoadError); img.src = item.src; // without clone() "error" event is not firing when IMG is replaced by new IMG // TODO: find a way to avoid such cloning if (el.is('img')) { item.img = item.img.clone(); } img = item.img[0]; if (img.naturalWidth > 0) { item.hasSize = true; } else if (!img.width) { item.hasSize = false; } } mfp._parseMarkup(template, { title: _getTitle(item), img_replaceWith: item.img }, item); mfp.resizeImage(); if (item.hasSize) { if (_imgInterval) clearInterval(_imgInterval); if (item.loadError) { template.addClass('mfp-loading'); mfp.updateStatus('error', imgSt.tError.replace('%url%', item.src)); } else { template.removeClass('mfp-loading'); mfp.updateStatus('ready'); } return template; } mfp.updateStatus('loading'); item.loading = true; if (!item.hasSize) { item.imgHidden = true; template.addClass('mfp-loading'); mfp.findImageSize(item); } return template; } } }); /*>>image*/ /*>>zoom*/ var hasMozTransform, getHasMozTransform = function () { if (hasMozTransform === undefined) { hasMozTransform = document.createElement('p').style.MozTransform !== undefined; } return hasMozTransform; }; $.magnificPopup.registerModule('zoom', { options: { enabled: false, easing: 'ease-in-out', duration: 300, opener: function (element) { return element.is('img') ? element : element.find('img'); } }, proto: { initZoom: function () { var zoomSt = mfp.st.zoom, ns = '.zoom', image; if (!zoomSt.enabled || !mfp.supportsTransition) { return; } var duration = zoomSt.duration, getElToAnimate = function (image) { var newImg = image.clone().removeAttr('style').removeAttr('class').addClass('mfp-animated-image'), transition = 'all ' + (zoomSt.duration / 1000) + 's ' + zoomSt.easing, cssObj = { position: 'fixed', zIndex: 9999, left: 0, top: 0, '-webkit-backface-visibility': 'hidden' }, t = 'transition'; cssObj['-webkit-' + t] = cssObj['-moz-' + t] = cssObj['-o-' + t] = cssObj[t] = transition; newImg.css(cssObj); return newImg; }, showMainContent = function () { mfp.content.css('visibility', 'visible'); }, openTimeout, animatedImg; _mfpOn('BuildControls' + ns, function () { if (mfp._allowZoom()) { clearTimeout(openTimeout); mfp.content.css('visibility', 'hidden'); // Basically, all code below does is clones existing image, puts in on top of the current one and animated it image = mfp._getItemToZoom(); if (!image) { showMainContent(); return; } animatedImg = getElToAnimate(image); animatedImg.css(mfp._getOffset()); mfp.wrap.append(animatedImg); openTimeout = setTimeout(function () { animatedImg.css(mfp._getOffset(true)); openTimeout = setTimeout(function () { showMainContent(); setTimeout(function () { animatedImg.remove(); image = animatedImg = null; _mfpTrigger('ZoomAnimationEnded'); }, 16); // avoid blink when switching images }, duration); // this timeout equals animation duration }, 16); // by adding this timeout we avoid short glitch at the beginning of animation // Lots of timeouts... } }); _mfpOn(BEFORE_CLOSE_EVENT + ns, function () { if (mfp._allowZoom()) { clearTimeout(openTimeout); mfp.st.removalDelay = duration; if (!image) { image = mfp._getItemToZoom(); if (!image) { return; } animatedImg = getElToAnimate(image); } animatedImg.css(mfp._getOffset(true)); mfp.wrap.append(animatedImg); mfp.content.css('visibility', 'hidden'); setTimeout(function () { animatedImg.css(mfp._getOffset()); }, 16); } }); _mfpOn(CLOSE_EVENT + ns, function () { if (mfp._allowZoom()) { showMainContent(); if (animatedImg) { animatedImg.remove(); } image = null; } }); }, _allowZoom: function () { return mfp.currItem.type === 'image'; }, _getItemToZoom: function () { if (mfp.currItem.hasSize) { return mfp.currItem.img; } else { return false; } }, // Get element postion relative to viewport _getOffset: function (isLarge) { var el; if (isLarge) { el = mfp.currItem.img; } else { el = mfp.st.zoom.opener(mfp.currItem.el || mfp.currItem); } var offset = el.offset(); var paddingTop = parseInt(el.css('padding-top'), 10); var paddingBottom = parseInt(el.css('padding-bottom'), 10); offset.top -= ($(window).scrollTop() - paddingTop); /* Animating left + top + width/height looks glitchy in Firefox, but perfect in Chrome. And vice-versa. */ var obj = { width: el.width(), // fix Zepto height+padding issue height: (_isJQ ? el.innerHeight() : el[0].offsetHeight) - paddingBottom - paddingTop }; // I hate to do this, but there is no another option if (getHasMozTransform()) { obj['-moz-transform'] = obj['transform'] = 'translate(' + offset.left + 'px,' + offset.top + 'px)'; } else { obj.left = offset.left; obj.top = offset.top; } return obj; } } }); /*>>zoom*/ /*>>iframe*/ var IFRAME_NS = 'iframe', _emptyPage = '//about:blank', _fixIframeBugs = function (isShowing) { if (mfp.currTemplate[IFRAME_NS]) { var el = mfp.currTemplate[IFRAME_NS].find('iframe'); if (el.length) { // reset src after the popup is closed to avoid "video keeps playing after popup is closed" bug if (!isShowing) { el[0].src = _emptyPage; } // IE8 black screen bug fix if (mfp.isIE8) { el.css('display', isShowing ? 'block' : 'none'); } } } }; $.magnificPopup.registerModule(IFRAME_NS, { options: { markup: '<div class="mfp-iframe-scaler">' + '<div class="mfp-close"></div>' + '<iframe class="mfp-iframe" src="//about:blank" frameborder="0" allowfullscreen></iframe>' + '</div>', srcAction: 'iframe_src', // we don't care and support only one default type of URL by default patterns: { youtube: { index: 'youtube.com', id: 'v=', src: '//www.youtube.com/embed/%id%?autoplay=1' }, vimeo: { index: 'vimeo.com/', id: '/', src: '//player.vimeo.com/video/%id%?autoplay=1' }, gmaps: { index: '//maps.google.', src: '%id%&output=embed' } } }, proto: { initIframe: function () { mfp.types.push(IFRAME_NS); _mfpOn('BeforeChange', function (e, prevType, newType) { if (prevType !== newType) { if (prevType === IFRAME_NS) { _fixIframeBugs(); // iframe if removed } else if (newType === IFRAME_NS) { _fixIframeBugs(true); // iframe is showing } }// else { // iframe source is switched, don't do anything //} }); _mfpOn(CLOSE_EVENT + '.' + IFRAME_NS, function () { _fixIframeBugs(); }); }, getIframe: function (item, template) { var embedSrc = item.src; var iframeSt = mfp.st.iframe; $.each(iframeSt.patterns, function () { if (embedSrc.indexOf(this.index) > -1) { if (this.id) { if (typeof this.id === 'string') { embedSrc = embedSrc.substr(embedSrc.lastIndexOf(this.id) + this.id.length, embedSrc.length); } else { embedSrc = this.id.call(this, embedSrc); } } embedSrc = this.src.replace('%id%', embedSrc); return false; // break; } }); var dataObj = {}; if (iframeSt.srcAction) { dataObj[iframeSt.srcAction] = embedSrc; } mfp._parseMarkup(template, dataObj, item); mfp.updateStatus('ready'); return template; } } }); /*>>iframe*/ /*>>gallery*/ /** * Get looped index depending on number of slides */ var _getLoopedId = function (index) { var numSlides = mfp.items.length; if (index > numSlides - 1) { return index - numSlides; } else if (index < 0) { return numSlides + index; } return index; }, _replaceCurrTotal = function (text, curr, total) { return text.replace(/%curr%/gi, curr + 1).replace(/%total%/gi, total); }; $.magnificPopup.registerModule('gallery', { options: { enabled: false, arrowMarkup: '<button title="%title%" type="button" class="mfp-arrow mfp-arrow-%dir%"></button>', preload: [0, 2], navigateByImgClick: true, arrows: true, tPrev: 'Previous (Left arrow key)', tNext: 'Next (Right arrow key)', tCounter: '%curr% of %total%' }, proto: { initGallery: function () { var gSt = mfp.st.gallery, ns = '.mfp-gallery'; mfp.direction = true; // true - next, false - prev if (!gSt || !gSt.enabled) return false; _wrapClasses += ' mfp-gallery'; _mfpOn(OPEN_EVENT + ns, function () { if (gSt.navigateByImgClick) { mfp.wrap.on('click' + ns, '.mfp-img', function () { if (mfp.items.length > 1) { mfp.next(); return false; } }); } _document.on('keydown' + ns, function (e) { if (e.keyCode === 37) { mfp.prev(); } else if (e.keyCode === 39) { mfp.next(); } }); }); _mfpOn('UpdateStatus' + ns, function (e, data) { if (data.text) { data.text = _replaceCurrTotal(data.text, mfp.currItem.index, mfp.items.length); } }); _mfpOn(MARKUP_PARSE_EVENT + ns, function (e, element, values, item) { var l = mfp.items.length; values.counter = l > 1 ? _replaceCurrTotal(gSt.tCounter, item.index, l) : ''; }); _mfpOn('BuildControls' + ns, function () { if (mfp.items.length > 1 && gSt.arrows && !mfp.arrowLeft) { var markup = gSt.arrowMarkup, arrowLeft = mfp.arrowLeft = $(markup.replace(/%title%/gi, gSt.tPrev).replace(/%dir%/gi, 'left')).addClass(PREVENT_CLOSE_CLASS), arrowRight = mfp.arrowRight = $(markup.replace(/%title%/gi, gSt.tNext).replace(/%dir%/gi, 'right')).addClass(PREVENT_CLOSE_CLASS); arrowLeft.click(function () { mfp.prev(); }); arrowRight.click(function () { mfp.next(); }); mfp.container.append(arrowLeft.add(arrowRight)); } }); _mfpOn(CHANGE_EVENT + ns, function () { if (mfp._preloadTimeout) clearTimeout(mfp._preloadTimeout); mfp._preloadTimeout = setTimeout(function () { mfp.preloadNearbyImages(); mfp._preloadTimeout = null; }, 16); }); _mfpOn(CLOSE_EVENT + ns, function () { _document.off(ns); mfp.wrap.off('click' + ns); mfp.arrowRight = mfp.arrowLeft = null; }); }, next: function () { mfp.direction = true; mfp.index = _getLoopedId(mfp.index + 1); mfp.updateItemHTML(); }, prev: function () { mfp.direction = false; mfp.index = _getLoopedId(mfp.index - 1); mfp.updateItemHTML(); }, goTo: function (newIndex) { mfp.direction = (newIndex >= mfp.index); mfp.index = newIndex; mfp.updateItemHTML(); }, preloadNearbyImages: function () { var p = mfp.st.gallery.preload, preloadBefore = Math.min(p[0], mfp.items.length), preloadAfter = Math.min(p[1], mfp.items.length), i; for (i = 1; i <= (mfp.direction ? preloadAfter : preloadBefore); i++) { mfp._preloadItem(mfp.index + i); } for (i = 1; i <= (mfp.direction ? preloadBefore : preloadAfter); i++) { mfp._preloadItem(mfp.index - i); } }, _preloadItem: function (index) { index = _getLoopedId(index); if (mfp.items[index].preloaded) { return; } var item = mfp.items[index]; if (!item.parsed) { item = mfp.parseEl(index); } _mfpTrigger('LazyLoad', item); if (item.type === 'image') { item.img = $('<img class="mfp-img" />').on('load.mfploader', function () { item.hasSize = true; }).on('error.mfploader', function () { item.hasSize = true; item.loadError = true; _mfpTrigger('LazyLoadError', item); }).attr('src', item.src); } item.preloaded = true; } } }); /*>>gallery*/ /*>>retina*/ var RETINA_NS = 'retina'; $.magnificPopup.registerModule(RETINA_NS, { options: { replaceSrc: function (item) { return item.src.replace(/\.\w+$/, function (m) { return '@2x' + m; }); }, ratio: 1 // Function or number. Set to 1 to disable. }, proto: { initRetina: function () { if (window.devicePixelRatio > 1) { var st = mfp.st.retina, ratio = st.ratio; ratio = !isNaN(ratio) ? ratio : ratio(); if (ratio > 1) { _mfpOn('ImageHasSize' + '.' + RETINA_NS, function (e, item) { item.img.css({ 'max-width': item.img[0].naturalWidth / ratio, 'width': '100%' }); }); _mfpOn('ElementParse' + '.' + RETINA_NS, function (e, item) { item.src = st.replaceSrc(item, ratio); }); } } } } }); /*>>retina*/ _checkInstance(); })); $(document).on("click", ".mfp-wrap", function() { $.magnificPopup.close(); }); </script> <style> .overlay { height: 100%; width: 100%; display: none; position: fixed; z-index: 1; top: 0; left: 0; background-color: rgb(0,0,0); background-color: rgba(0,0,0, 0.9); } .overlay-content { position: relative; top: 15%; width: 100%; text-align: center; margin-top: 30px; } .overlay a { padding: 8px; text-decoration: none; font-size: 36px; color: #818181; display: block; transition: 0.3s; } .overlay a:hover, .overlay a:focus { color: #f1f1f1; } .overlay .closebtn { position: absolute; top: 185px; right: 620px; font-size: 60px; } @media screen and (max-height: 450px) { .overlay a {font-size: 20px} .overlay .closebtn { font-size: 40px; top: 15px; right: 35px; } } /* Media Query for Mobile Devices */ @media (max-width: 480px) { .iframe-hw { height: 600px; width: 300px; } .overlay .closebtn { position: absolute; top: 100px; right: 20px; font-size: 40px; } } /* Media Query for low resolution Tablets, Ipads */ @media (min-width: 481px) and (max-width: 767px) { .iframe-hw { height: 600px; width: 500px; } .overlay .closebtn { position: absolute; top: 160px; right: 100px; font-size: 40px; } } /* Media Query for Tablets Ipads portrait mode */ @media (min-width: 768px) and (max-width: 1024px){ .iframe-hw { height: 600px; width: 740px; } .overlay .closebtn { position: absolute; top: 190px; right: 90px; font-size: 40px; } } /* Media Query for Laptops and Desktops */ @media (min-width: 1025px) and (max-width: 1280px){ .iframe-hw { height: 600px; width: 780px; } .overlay .closebtn { position: absolute; top: 125px; right: 530px; font-size: 40px; } } /* Media Query for Large screens */ @media (min-width: 1281px) { .iframe-hw { height: 600px; width: 780px; } .overlay .closebtn { position: absolute; top: 125px; right: 530px; font-size: 40px; } } /* Magnific Popup CSS */ .mfp-bg { top: 0; left: 0; width: 100%; height: 100%; z-index: 1042; overflow: hidden; position: fixed; background: #0b0b0b; opacity: 0.8; } .mfp-wrap { top: 0; left: 0; width: 100%; height: 100%; z-index: 1043; position: fixed; outline: none !important; -webkit-backface-visibility: hidden; } .mfp-container { text-align: center; position: absolute; width: 100%; height: 100%; left: 0; top: 0; padding: 0 8px; box-sizing: border-box; } .mfp-container:before { content: ''; display: inline-block; height: 100%; vertical-align: middle; } .mfp-align-top .mfp-container:before { display: none; } .mfp-content { position: relative; display: inline-block; vertical-align: middle; margin: 0 auto; text-align: left; z-index: 1045; } .mfp-inline-holder .mfp-content, .mfp-ajax-holder .mfp-content { width: 100%; /* cursor: auto; */ } /* .mfp-ajax-cur { cursor: progress; } .mfp-zoom-out-cur, .mfp-zoom-out-cur .mfp-image-holder .mfp-close { cursor: -moz-zoom-out; cursor: -webkit-zoom-out; cursor: zoom-out; } .mfp-zoom { cursor: pointer; cursor: -webkit-zoom-in; cursor: -moz-zoom-in; cursor: zoom-in; } .mfp-auto-cursor .mfp-content { cursor: auto; } */ .mfp-close, .mfp-arrow, .mfp-preloader, .mfp-counter { -webkit-user-select: none; -moz-user-select: none; user-select: none; } .mfp-loading.mfp-figure { display: none; } .mfp-hide { display: none !important; } .mfp-preloader { color: #CCC; position: absolute; top: 50%; width: auto; text-align: center; margin-top: -0.8em; left: 8px; right: 8px; z-index: 1044; } .mfp-preloader a { color: #CCC; } .mfp-preloader a:hover { color: #FFF; } .mfp-s-ready .mfp-preloader { display: none; } .mfp-s-error .mfp-content { display: none; } button.mfp-close, button.mfp-arrow { overflow: visible; /* cursor: pointer; */ background: transparent; border: 0; -webkit-appearance: none; display: block; outline: none; padding: 0; z-index: 1046; box-shadow: none; touch-action: manipulation; } button::-moz-focus-inner { padding: 0; border: 0; } .mfp-close { width: 44px; height: 44px; line-height: 44px; position: absolute; right: 0; top: 0; text-decoration: none; text-align: center; opacity: 0.65; padding: 0 0 18px 10px; color: #FFF; font-style: normal; font-size: 28px; font-family: Arial, Baskerville, monospace; } .mfp-close:hover, .mfp-close:focus { opacity: 1; } .mfp-close:active { top: 1px; } .mfp-close-btn-in .mfp-close { color: #333; } .mfp-image-holder .mfp-close, .mfp-iframe-holder .mfp-close { color: #FFF; right: -6px; text-align: right; padding-right: 6px; width: 100%; } .mfp-counter { position: absolute; top: 0; right: 0; color: #CCC; font-size: 12px; line-height: 18px; white-space: nowrap; } .mfp-arrow { position: absolute; opacity: 0.65; margin: 0; top: 50%; margin-top: -55px; padding: 0; width: 90px; height: 110px; -webkit-tap-highlight-color: transparent; } .mfp-arrow:active { margin-top: -54px; } .mfp-arrow:hover, .mfp-arrow:focus { opacity: 1; } .mfp-arrow:before, .mfp-arrow:after { content: ''; display: block; width: 0; height: 0; position: absolute; left: 0; top: 0; margin-top: 35px; margin-left: 35px; border: medium inset transparent; } .mfp-arrow:after { border-top-width: 13px; border-bottom-width: 13px; top: 8px; } .mfp-arrow:before { border-top-width: 21px; border-bottom-width: 21px; opacity: 0.7; } .mfp-arrow-left { left: 0; } .mfp-arrow-left:after { border-right: 17px solid #FFF; margin-left: 31px; } .mfp-arrow-left:before { margin-left: 25px; border-right: 27px solid #3F3F3F; } .mfp-arrow-right { right: 0; } .mfp-arrow-right:after { border-left: 17px solid #FFF; margin-left: 39px; } .mfp-arrow-right:before { border-left: 27px solid #3F3F3F; } .mfp-iframe-holder { padding-top: 40px; padding-bottom: 40px; } .mfp-iframe-holder .mfp-content { line-height: 0; width: 100%; max-width: 900px; height: 80vh; } .mfp-iframe-holder .mfp-close { top: -40px; } .mfp-iframe-scaler { width: 100%; height: 0; overflow: hidden; padding-top: 56.25%; } .mfp-iframe-scaler iframe { position: absolute; display: block; top: 0; left: 0; width: 100%; height: 100%; box-shadow: 0 0 8px rgba(0, 0, 0, 0.6); background: #000; } /* Main image in popup */ img.mfp-img { width: auto; max-width: 100%; max-height: 85vh !important; height: auto; display: block; line-height: 0; box-sizing: border-box; padding: 40px 0 40px; margin: 0 auto; } /* The shadow behind the image */ .mfp-figure { line-height: 0; } .mfp-figure:after { content: ''; position: absolute; left: 0; top: 40px; bottom: 40px; display: block; right: 0; width: auto; height: auto; z-index: -1; box-shadow: 0 0 8px rgba(0, 0, 0, 0.6); background: #444; } .mfp-figure small { color: #BDBDBD; display: block; font-size: 12px; line-height: 14px; } .mfp-figure figure { margin: 0; } .mfp-bottom-bar { margin-top: -36px; position: absolute; top: 100%; left: 0; width: 100%; /* cursor: auto; */ } .mfp-title { text-align: left; line-height: 18px; color: #F3F3F3; word-wrap: break-word; padding-right: 36px; } .mfp-image-holder .mfp-content { max-width: 100%; } .mfp-gallery .mfp-image-holder .mfp-figure { /* cursor: pointer; */ } @media screen and (max-width: 800px) and (orientation: landscape), screen and (max-height: 300px) { /** * Remove all paddings around the image on small screen */ .mfp-img-mobile .mfp-image-holder { padding-left: 0; padding-right: 0; } .mfp-img-mobile img.mfp-img { padding: 0; } .mfp-img-mobile .mfp-figure:after { top: 0; bottom: 0; } .mfp-img-mobile .mfp-figure small { display: inline; margin-left: 5px; } .mfp-img-mobile .mfp-bottom-bar { background: rgba(0, 0, 0, 0.6); bottom: 0; margin: 0; top: auto; padding: 3px 5px; position: fixed; box-sizing: border-box; } .mfp-img-mobile .mfp-bottom-bar:empty { padding: 0; } .mfp-img-mobile .mfp-counter { right: 5px; top: 3px; } .mfp-img-mobile .mfp-close { top: 0; right: 0; width: 35px; height: 35px; line-height: 35px; background: rgba(0, 0, 0, 0.6); position: fixed; text-align: center; padding: 0; } } @media all and (max-width: 900px) { .mfp-arrow { -webkit-transform: scale(0.75); transform: scale(0.75); } .mfp-arrow-left { -webkit-transform-origin: 0; transform-origin: 0; } .mfp-arrow-right { -webkit-transform-origin: 100%; transform-origin: 100%; } .mfp-container { padding-left: 6px; padding-right: 6px; } } .popup-iframe .fa-camera { margin-left: 5px; } </style> </div> <div class="collections-list2 aem-GridColumn aem-GridColumn--default--8"> <style> .collectionBoxEmpty{ margin-bottom: 20rem !important; } .collectionBoxFull{ margin-bottom: 0.5rem !important; } </style> <div id="collectionBtnContainer" class="year-list-Container" style="max-width: 75rem;margin: 0 auto;margin-bottom: 0.5rem;padding-right: .9375rem;padding-left: .9375rem"> <button class="year-tab" onclick="document.location='/content/cen/collections/chemistry-in-pictures.html?year=all'">Show all</button><button class="year-tab active" onclick="document.location='/content/cen/collections/chemistry-in-pictures.html?year=2024'">2024</button><button class="year-tab" onclick="document.location='/content/cen/collections/chemistry-in-pictures.html?year=2023'">2023</button><button class="year-tab" onclick="document.location='/content/cen/collections/chemistry-in-pictures.html?year=2022'">2022</button><button class="year-tab" onclick="document.location='/content/cen/collections/chemistry-in-pictures.html?year=2021'">2021</button><button class="year-tab" onclick="document.location='/content/cen/collections/chemistry-in-pictures.html?year=2020'">2020</button><button class="year-tab" onclick="document.location='/content/cen/collections/chemistry-in-pictures.html?year=2019'">2019</button><button class="year-tab" onclick="document.location='/content/cen/collections/chemistry-in-pictures.html?year=2018'">2018</button><button class="year-tab" onclick="document.location='/content/cen/collections/chemistry-in-pictures.html?year=2017'">2017</button><button class="year-tab" onclick="document.location='/content/cen/collections/chemistry-in-pictures.html?year=2016'">2016</button><button class="year-tab" onclick="document.location='/content/cen/collections/chemistry-in-pictures.html?year=2015'">2015</button> </div> <div class="flex-grid"> <div class="grid-item 2024"> <a href="/education/Chemistry-Pictures-Chatoyancy/102/web/2024/11"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Chatoyancy " data-src="https://s7d1.scene7.com/is/image/CENODS/20241115lnp20-chatoyancy-social?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20241115lnp20-chatoyancy-social?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/education/Chemistry-Pictures-Chatoyancy/102/web/2024/11">Chatoyancy </a></h2> <div class="date">November 14, 2024</div> </div> <div class="grid-item 2024"> <a href="/synthesis/Chemistry-in-pictures-Chloroauric-acid-crystals/102/web/2024/11"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Chloroauric acid crystals" data-src="https://s7d1.scene7.com/is/image/CENODS/20241106lnp20-goldxtals?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20241106lnp20-goldxtals?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/synthesis/Chemistry-in-pictures-Chloroauric-acid-crystals/102/web/2024/11">Chloroauric acid crystals</a></h2> <div class="date">November 6, 2024</div> </div> <div class="grid-item 2024"> <a href="/biological-chemistry/biochemistry/Chemistry-in-Pictures-G-is-for-glamorous/102/web/2024/10"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="&#39;G&#39; is for glamorous" data-src="https://s7d1.scene7.com/is/image/CENODS/20241031lnp20-spider?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20241031lnp20-spider?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/biological-chemistry/biochemistry/Chemistry-in-Pictures-G-is-for-glamorous/102/web/2024/10">&#39;G&#39; is for glamorous</a></h2> <div class="date">October 31, 2024</div> </div> <div class="grid-item 2024 article-small-ads"> <div class="landing-page-ads landingads-noborder clearfix"> <div class='adunit' data-adunit='cen' data-dimensions="300x250" data-targeting='{"Collection":"chemistryInPictures"}'></div> </div> <h6 class="small-ads-title text-center">ADVERTISEMENT</h6> </div> <div class="grid-item 2024"> <a href="/synthesis/Chemistry-in-Pictures-I-molecular-nanoribbons/102/web/2024/10"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="I ♥ molecular nanoribbons" data-src="https://s7d1.scene7.com/is/image/CENODS/20241029lnp20-heart?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2&amp;crop&#61;142.59375,295.75,958.01875,795.3562499999998" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20241029lnp20-heart?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2&amp;crop&#61;142.59375,295.75,958.01875,795.3562499999998 1x,"/> </a> <h2><a href="/synthesis/Chemistry-in-Pictures-I-molecular-nanoribbons/102/web/2024/10">I ♥ molecular nanoribbons</a></h2> <div class="date">October 29, 2024</div> </div> <div class="grid-item 2024"> <a href="/materials/nanomaterials/Chemistry-Pictures-3D-nanoarchitected-hexagonal-boron-nitride/102/web/2024/10"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="3D nanoarchitected hexagonal boron nitride " data-src="https://s7d1.scene7.com/is/image/CENODS/20241024lnp22-hbn?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20241024lnp22-hbn?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/materials/nanomaterials/Chemistry-Pictures-3D-nanoarchitected-hexagonal-boron-nitride/102/web/2024/10">3D nanoarchitected hexagonal boron nitride </a></h2> <div class="date">October 24, 2024</div> </div> <div class="grid-item 2024"> <a href="/materials/nanomaterials/Chemistry-Pictures-Landscape-nanospheres/102/web/2024/10"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Landscape of nanospheres " data-src="https://s7d1.scene7.com/is/image/CENODS/20241024lnp21-landscape?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20241024lnp21-landscape?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/materials/nanomaterials/Chemistry-Pictures-Landscape-nanospheres/102/web/2024/10">Landscape of nanospheres </a></h2> <div class="date">October 24, 2024</div> </div> <div class="grid-item 2024"> <a href="/materials/nanomaterials/Chemistry-Pictures-Microbroccoli/102/web/2024/10"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Microbroccoli " data-src="https://s7d1.scene7.com/is/image/CENODS/20241024lnp20-broccoli?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20241024lnp20-broccoli?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/materials/nanomaterials/Chemistry-Pictures-Microbroccoli/102/web/2024/10">Microbroccoli </a></h2> <div class="date">October 24, 2024</div> </div> <div class="grid-item 2024"> <a href="/safety/industrial-safety/Chemistry-in-Pictures-Mr-Handy/102/web/2024/10"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Mr. Handy" data-src="https://s7d1.scene7.com/is/image/CENODS/20241003lnp20-handy-social?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20241003lnp20-handy-social?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/safety/industrial-safety/Chemistry-in-Pictures-Mr-Handy/102/web/2024/10">Mr. Handy</a></h2> <div class="date">October 2, 2024</div> </div> <div class="grid-item 2024"> <a href="/synthesis/Chemistry-Pictures-new-branch-chemistry/102/web/2024/09"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="A new branch of chemistry " data-src="https://s7d1.scene7.com/is/image/CENODS/20240924lnp20-snowflake?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240924lnp20-snowflake?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/synthesis/Chemistry-Pictures-new-branch-chemistry/102/web/2024/09">A new branch of chemistry </a></h2> <div class="date">September 24, 2024</div> </div> <div class="grid-item 2024"> <a href="/materials/polymers/Chemistry-Pictures-SEM-smiley/102/web/2024/09"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="SEM smiley " data-src="https://s7d1.scene7.com/is/image/CENODS/20240917lnp20-smiley?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240917lnp20-smiley?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/materials/polymers/Chemistry-Pictures-SEM-smiley/102/web/2024/09">SEM smiley </a></h2> <div class="date">September 17, 2024</div> </div> <div class="grid-item 2024 article-small-ads"> <div class="landing-page-ads landingads-noborder clearfix"> <div class='adunit' data-adunit='cen' data-dimensions="300x250" data-targeting='{"Collection":"chemistryInPictures"}'></div> </div> <h6 class="small-ads-title text-center">ADVERTISEMENT</h6> </div> <div class="grid-item 2024"> <a href="/biological-chemistry/natural-products/Chemistry-Pictures-fungus-among-us/102/web/2024/09"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="The fungus among us " data-src="https://s7d1.scene7.com/is/image/CENODS/20240910lnp20-fungi?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240910lnp20-fungi?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/biological-chemistry/natural-products/Chemistry-Pictures-fungus-among-us/102/web/2024/09">The fungus among us </a></h2> <div class="date">September 10, 2024</div> </div> <div class="grid-item 2024"> <a href="/education/science-communication/Chemistry-Pictures-Painting-pigments/102/web/2024/08"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Painting pigments " data-src="https://s7d1.scene7.com/is/image/CENODS/20240730lnp20-painting-social?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240730lnp20-painting-social?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/education/science-communication/Chemistry-Pictures-Painting-pigments/102/web/2024/08">Painting pigments </a></h2> <div class="date">August 30, 2024</div> </div> <div class="grid-item 2024"> <a href="/synthesis/Chemistry-Pictures-Waterless-reflux/102/web/2024/08"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Waterless reflux " data-src="https://s7d1.scene7.com/is/image/CENODS/20240822lnp20-column-social?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240822lnp20-column-social?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/synthesis/Chemistry-Pictures-Waterless-reflux/102/web/2024/08">Waterless reflux </a></h2> <div class="date">August 22, 2024</div> </div> <div class="grid-item 2024"> <a href="/analytical-chemistry/Chemistry-Pictures-Literal-tons-helium/102/web/2024/08"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Literal tons of helium " data-src="https://s7d1.scene7.com/is/image/CENODS/20240814lnp20-tanks-video?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240814lnp20-tanks-video?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/analytical-chemistry/Chemistry-Pictures-Literal-tons-helium/102/web/2024/08">Literal tons of helium </a></h2> <div class="date">August 13, 2024</div> </div> <div class="grid-item 2024"> <a href="/pharmaceuticals/Chemistry-Pictures-Pharma-photography/102/web/2024/08"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Pharma photography " data-src="https://s7d1.scene7.com/is/image/CENODS/20240730lnp20-hgIred-1?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240730lnp20-hgIred-1?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/pharmaceuticals/Chemistry-Pictures-Pharma-photography/102/web/2024/08">Pharma photography </a></h2> <div class="date">August 7, 2024</div> </div> <div class="grid-item 2024"> <a href="/synthesis/Chemistry-Pictures-Sulfinamide-suncatcher/102/web/2024/08"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Sulfinamide suncatcher " data-src="https://s7d1.scene7.com/is/image/CENODS/20240806lnp20-flask?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240806lnp20-flask?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/synthesis/Chemistry-Pictures-Sulfinamide-suncatcher/102/web/2024/08">Sulfinamide suncatcher </a></h2> <div class="date">August 6, 2024</div> </div> <div class="grid-item 2024"> <a href="/synthesis/Chemistry-Pictures-Dont-drink-tetrazine/102/web/2024/07"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Don’t drink the tetrazine " data-src="https://s7d1.scene7.com/is/image/CENODS/20240726lnp20-tetrazine-social?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240726lnp20-tetrazine-social?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/synthesis/Chemistry-Pictures-Dont-drink-tetrazine/102/web/2024/07">Don’t drink the tetrazine </a></h2> <div class="date">July 29, 2024</div> </div> <div class="grid-item 2024"> <a href="/materials/Chemistry-Pictures-Colorful-plasma/102/web/2024/07"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Colorful plasma " data-src="https://s7d1.scene7.com/is/image/CENODS/20240709lnp20-plasma?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240709lnp20-plasma?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/materials/Chemistry-Pictures-Colorful-plasma/102/web/2024/07">Colorful plasma </a></h2> <div class="date">July 10, 2024</div> </div> <div class="grid-item 2024"> <a href="/materials/3-d-printing/Chemistry-Pictures-En-garde/102/web/2024/07"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="En garde " data-src="https://s7d1.scene7.com/is/image/CENODS/20240703lnp20-fence?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240703lnp20-fence?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/materials/3-d-printing/Chemistry-Pictures-En-garde/102/web/2024/07">En garde </a></h2> <div class="date">July 3, 2024</div> </div> <div class="grid-item 2024"> <a href="/environment/water/Chemistry-Pictures-Please-wash-water/102/web/2024/06"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Please wash your water bottle " data-src="/content/dam/cen/102/web/6/WEB/20240625lnp20-biofilm.jpg" data-srcset="/content/dam/cen/102/web/6/WEB/20240625lnp20-biofilm.jpg 1x,"/> </a> <h2><a href="/environment/water/Chemistry-Pictures-Please-wash-water/102/web/2024/06">Please wash your water bottle </a></h2> <div class="date">June 25, 2024</div> </div> <div class="grid-item 2024"> <a href="/safety/Chemistry-Pictures-Hazmat-training/102/web/2024/06"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Hazmat training " data-src="/content/dam/cen/102/web/6/WEB/20240618lnp20-hazmat-social.jpg" data-srcset="/content/dam/cen/102/web/6/WEB/20240618lnp20-hazmat-social.jpg 1x,"/> </a> <h2><a href="/safety/Chemistry-Pictures-Hazmat-training/102/web/2024/06">Hazmat training </a></h2> <div class="date">June 18, 2024</div> </div> <div class="grid-item 2024 article-small-ads"> <div class="landing-page-ads landingads-noborder clearfix"> <div class='adunit' data-adunit='cen' data-dimensions="300x250" data-targeting='{"Collection":"chemistryInPictures"}'></div> </div> <h6 class="small-ads-title text-center">ADVERTISEMENT</h6> </div> <div class="grid-item 2024"> <a href="/physical-chemistry/periodic-table/Chemistry-Pictures-Gallium-close/102/web/2024/06"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Gallium gets a close-up " data-src="https://s7d1.scene7.com/is/image/CENODS/20240612lnp20-gallium-social?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240612lnp20-gallium-social?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/physical-chemistry/periodic-table/Chemistry-Pictures-Gallium-close/102/web/2024/06">Gallium gets a close-up </a></h2> <div class="date">June 12, 2024</div> </div> <div class="grid-item 2024"> <a href="/synthesis/Chemistry-Pictures-Color-coordination/102/web/2024/06"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Color coordination " data-src="https://s7d1.scene7.com/is/image/CENODS/20240611lnp20-nails-social?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240611lnp20-nails-social?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/synthesis/Chemistry-Pictures-Color-coordination/102/web/2024/06">Color coordination </a></h2> <div class="date">June 11, 2024</div> </div> <div class="grid-item 2024"> <a href="/biological-chemistry/microbiome/Chemistry-Pictures-Microbe-venetian-glass/102/web/2024/06"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Microbe or venetian glass? " data-src="https://s7d1.scene7.com/is/image/CENODS/20240606lnp20-microbe-social?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240606lnp20-microbe-social?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/biological-chemistry/microbiome/Chemistry-Pictures-Microbe-venetian-glass/102/web/2024/06">Microbe or venetian glass? </a></h2> <div class="date">June 6, 2024</div> </div> <div class="grid-item 2024"> <a href="/materials/Chemistry-Pictures-Synthetic-stone/102/web/2024/05"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Synthetic stone " data-src="https://s7d1.scene7.com/is/image/CENODS/20240528lnp20-mica-video?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240528lnp20-mica-video?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/materials/Chemistry-Pictures-Synthetic-stone/102/web/2024/05">Synthetic stone </a></h2> <div class="date">May 28, 2024</div> </div> <div class="grid-item 2024"> <a href="/physical-chemistry/Chemistry-Pictures-Quantum-cool/102/web/2024/05"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Quantum cool " data-src="https://s7d1.scene7.com/is/image/CENODS/20240521lnp20-chiller-1?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240521lnp20-chiller-1?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/physical-chemistry/Chemistry-Pictures-Quantum-cool/102/web/2024/05">Quantum cool </a></h2> <div class="date">May 21, 2024</div> </div> <div class="grid-item 2024"> <a href="/synthesis/Chemistry-Pictures-Crystal-stars/102/web/2024/05"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Crystal stars " data-src="https://s7d1.scene7.com/is/image/CENODS/20240514lnp20-crystal?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240514lnp20-crystal?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/synthesis/Chemistry-Pictures-Crystal-stars/102/web/2024/05">Crystal stars </a></h2> <div class="date">May 15, 2024</div> </div> <div class="grid-item 2024"> <a href="/materials/Chemistry-Pictures-Glow-through-through/102/web/2024/05"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Glow through what you go through " data-src="/content/dam/cen/102/web/5/WEB/20240507lnp20-zirc-social.jpg" data-srcset="/content/dam/cen/102/web/5/WEB/20240507lnp20-zirc-social.jpg 1x,"/> </a> <h2><a href="/materials/Chemistry-Pictures-Glow-through-through/102/web/2024/05">Glow through what you go through </a></h2> <div class="date">May 7, 2024</div> </div> <div class="grid-item 2024"> <a href="/materials/electronic-materials/Chemistry-Pictures-Crown-thorns/102/web/2024/05"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Crown of thorns " data-src="https://s7d1.scene7.com/is/image/CENODS/20240502lnp20-crown-1?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240502lnp20-crown-1?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/materials/electronic-materials/Chemistry-Pictures-Crown-thorns/102/web/2024/05">Crown of thorns </a></h2> <div class="date">May 3, 2024</div> </div> <div class="grid-item 2024"> <a href="/synthesis/Chemistry-Pictures-Fluorescent-filtration/102/web/2024/05"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Fluorescent filtration " data-src="https://s7d1.scene7.com/is/image/CENODS/20240501lnp20-filtration?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240501lnp20-filtration?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/synthesis/Chemistry-Pictures-Fluorescent-filtration/102/web/2024/05">Fluorescent filtration </a></h2> <div class="date">May 1, 2024</div> </div> <div class="grid-item 2024"> <a href="/education/Chemistry-Pictures-Nitric-acid-acts/102/web/2024/04"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Nitric acid acts upon copper " data-src="https://s7d1.scene7.com/is/image/CENODS/20240416lnp20-social?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240416lnp20-social?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/education/Chemistry-Pictures-Nitric-acid-acts/102/web/2024/04">Nitric acid acts upon copper </a></h2> <div class="deck">Chemical curiosity crosses three centuries</div> <div class="date">April 16, 2024</div> </div> <div class="grid-item 2024"> <a href="/analytical-chemistry/microscopy/Chemistry-Pictures-Patterning-rubs-right/102/web/2024/04"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Patterning that rubs the right way " data-src="https://s7d1.scene7.com/is/image/CENODS/20240409lnp20-einstein?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240409lnp20-einstein?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/analytical-chemistry/microscopy/Chemistry-Pictures-Patterning-rubs-right/102/web/2024/04">Patterning that rubs the right way </a></h2> <div class="deck">Fluoropolymers power precise particle placement</div> <div class="date">April 9, 2024</div> </div> <div class="grid-item 2024 article-small-ads"> <div class="landing-page-ads landingads-noborder clearfix"> <div class='adunit' data-adunit='cen' data-dimensions="300x250" data-targeting='{"Collection":"chemistryInPictures"}'></div> </div> <h6 class="small-ads-title text-center">ADVERTISEMENT</h6> </div> <div class="grid-item 2024"> <a href="/materials/Chemistry-Pictures-PAH-lava-lamp/102/web/2024/04"> <video autoplay="" muted="" loop="" playsinline="" class="lazy lazy-video" alt="Careful coiling" poster="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg"> <source data-src="https://s7d1.scene7.com/is/content/CENODS/20240402lnp20-pah-video-1" type="video/mp4"/> </video> </a> <h2><a href="/materials/Chemistry-Pictures-PAH-lava-lamp/102/web/2024/04">PAH lava lamp </a></h2> <div class="date">April 4, 2024</div> </div> <div class="grid-item 2024"> <a href="/synthesis/Chemistry-Pictures-NMR-bouquet/102/web/2024/04"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="NMR bouquet " data-src="https://s7d1.scene7.com/is/image/CENODS/20240329lnp20-tubes-2?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240329lnp20-tubes-2?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/synthesis/Chemistry-Pictures-NMR-bouquet/102/web/2024/04">NMR bouquet </a></h2> <div class="date">April 2, 2024</div> </div> <div class="grid-item 2024"> <a href="/education/Chemistry-Pictures-Hardly-containing-excitement/102/web/2024/03"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Hardly containing the excitement " data-src="https://s7d1.scene7.com/is/image/CENODS/20240325lnp20-excitement-video-1?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240325lnp20-excitement-video-1?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/education/Chemistry-Pictures-Hardly-containing-excitement/102/web/2024/03">Hardly containing the excitement </a></h2> <div class="date">March 26, 2024</div> </div> <div class="grid-item 2024"> <a href="/materials/photonics/Chemistry-Pictures-Bugs-make-buckyballs/102/web/2024/03"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Bugs make buckyballs " data-src="https://s7d1.scene7.com/is/image/CENODS/20240321lnp20-natural?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240321lnp20-natural?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/materials/photonics/Chemistry-Pictures-Bugs-make-buckyballs/102/web/2024/03">Bugs make buckyballs </a></h2> <div class="date">March 23, 2024</div> </div> <div class="grid-item 2024"> <a href="/synthesis/Chemistry-Pictures-Volcano-bottle/102/web/2024/03"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Volcano in a bottle " data-src="https://s7d1.scene7.com/is/image/CENODS/20240313lnp20-flask?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240313lnp20-flask?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/synthesis/Chemistry-Pictures-Volcano-bottle/102/web/2024/03">Volcano in a bottle </a></h2> <div class="date">March 14, 2024</div> </div> <div class="grid-item 2024"> <a href="/synthesis/Chemistry-Pictures-Solvents-suckers/102/web/2024/03"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Solvents are for suckers " data-src="https://s7d1.scene7.com/is/image/CENODS/20240308lnp20-mechano?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2&amp;crop&#61;144.01093749999998,461.14140625,1279.24609375,1240.9453125" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240308lnp20-mechano?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2&amp;crop&#61;144.01093749999998,461.14140625,1279.24609375,1240.9453125 1x,"/> </a> <h2><a href="/synthesis/Chemistry-Pictures-Solvents-suckers/102/web/2024/03">Solvents are for suckers </a></h2> <div class="date">March 8, 2024</div> </div> <div class="grid-item 2024"> <a href="/safety/drug-safety/Chemistry-Pictures-Toxin-testing-ring/102/web/2024/03"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Toxin testing ring " data-src="https://s7d1.scene7.com/is/image/CENODS/20240306lnp20-eclipse-social?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240306lnp20-eclipse-social?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/safety/drug-safety/Chemistry-Pictures-Toxin-testing-ring/102/web/2024/03">Toxin testing ring </a></h2> <div class="date">March 6, 2024</div> </div> <div class="grid-item 2024"> <a href="/synthesis/Chemistry-Pictures-Chemical-calliope/102/web/2024/02"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Chemical calliope " data-src="https://s7d1.scene7.com/is/image/CENODS/20240227lnp20-organ-social?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240227lnp20-organ-social?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/synthesis/Chemistry-Pictures-Chemical-calliope/102/web/2024/02">Chemical calliope </a></h2> <div class="date">February 29, 2024</div> </div> <div class="grid-item 2024"> <a href="/education/science-communication/Chemistry-Pictures-Uranium-duck/102/web/2024/02"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Uranium duck" data-src="https://s7d1.scene7.com/is/image/CENODS/20240220lnp20-duck-social?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240220lnp20-duck-social?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/education/science-communication/Chemistry-Pictures-Uranium-duck/102/web/2024/02">Uranium duck</a></h2> <div class="date">February 21, 2024</div> </div> <div class="grid-item 2024"> <a href="/education/outreach/Chemistry-Pictures-Mercurial-heart/102/web/2024/02"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Mercurial heart" data-src="https://s7d1.scene7.com/is/image/CENODS/20230213lnp20-beat-video?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20230213lnp20-beat-video?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/education/outreach/Chemistry-Pictures-Mercurial-heart/102/web/2024/02">Mercurial heart</a></h2> <div class="date">February 13, 2024</div> </div> <div class="grid-item 2024"> <a href="/education/Chemistry-Pictures-Ice-cloud/102/web/2024/01"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Ice cloud" data-src="https://s7d1.scene7.com/is/image/CENODS/20240124lnp20-icecloud-video-1?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240124lnp20-icecloud-video-1?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/education/Chemistry-Pictures-Ice-cloud/102/web/2024/01">Ice cloud</a></h2> <div class="date">January 25, 2024</div> </div> <div class="grid-item 2024 article-small-ads"> <div class="landing-page-ads landingads-noborder clearfix"> <div class='adunit' data-adunit='cen' data-dimensions="300x250" data-targeting='{"Collection":"chemistryInPictures"}'></div> </div> <h6 class="small-ads-title text-center">ADVERTISEMENT</h6> </div> <div class="grid-item 2024"> <a href="/synthesis/Chemistry-Pictures-Column-colors/102/web/2024/01"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Column colors" data-src="https://s7d1.scene7.com/is/image/CENODS/20240117lnp20-column-1?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240117lnp20-column-1?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/synthesis/Chemistry-Pictures-Column-colors/102/web/2024/01">Column colors</a></h2> <div class="date">January 18, 2024</div> </div> <div class="grid-item 2024"> <a href="/materials/Chemistry-Pictures-Blue-marble/102/web/2024/01"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Blue marble" data-src="https://s7d1.scene7.com/is/image/CENODS/20240109lnp20-blue?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2&amp;crop&#61;17.6171875,691.875,1164.3359375,1106.6796875" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240109lnp20-blue?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2&amp;crop&#61;17.6171875,691.875,1164.3359375,1106.6796875 1x,"/> </a> <h2><a href="/materials/Chemistry-Pictures-Blue-marble/102/web/2024/01">Blue marble</a></h2> <div class="date">January 9, 2024</div> </div> <div class="grid-item 2024"> <a href="/materials/Chemistry-Pictures-Secret-code/102/web/2024/01"> <img class="lazy lazy-image" src="/content/dam/cen/static/images/dev/thumbnail-profiles/placeholder.jpg" alt="Secret code" data-src="https://s7d1.scene7.com/is/image/CENODS/20240104lnp20-qr-social-1?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2" data-srcset="https://s7d1.scene7.com/is/image/CENODS/20240104lnp20-qr-social-1?$responsive$&amp;wid&#61;700&amp;qlt&#61;90,0&amp;resMode&#61;sharp2 1x,"/> </a> <h2><a href="/materials/Chemistry-Pictures-Secret-code/102/web/2024/01">Secret code</a></h2> <div class="date">January 4, 2024</div> </div> </div> <script> filterSelection("all") function filterSelection(c) { var x, i; var collectionYear=[]; x = document.getElementsByClassName("grid-item"); if (c == "all") c = ""; for (i = 0; i < x.length; i++) { collectionYear.push(x[i].className); removeClass(x[i], "show"); if (x[i].className.indexOf(c) > -1) addClass(x[i], "show"); } var collectionString = collectionYear.toString(); if(collectionString.includes(c)) { // console.log("YES : "+c); $('#collectionBtnContainer').addClass("collectionBoxFull"); $('#collectionBtnContainer').removeClass("collectionBoxEmpty"); } else{ // console.log("NO : "+c); $('#collectionBtnContainer').addClass("collectionBoxEmpty"); $('#collectionBtnContainer').removeClass("collectionBoxFull"); } } function addClass(element, name) { var i, arr1, arr2; arr1 = element.className.split(" "); arr2 = name.split(" "); for (i = 0; i < arr2.length; i++) { if (arr1.indexOf(arr2[i]) == -1) {element.className += " " + arr2[i];} } } function removeClass(element, name) { var i, arr1, arr2; arr1 = element.className.split(" "); arr2 = name.split(" "); for (i = 0; i < arr2.length; i++) { while (arr1.indexOf(arr2[i]) > -1) { arr1.splice(arr1.indexOf(arr2[i]), 1); } } element.className = arr1.join(" "); } // Add active class to the current button (highlight it) </script> <script> function myFunction() { document.getElementById("myDropdown").classList.toggle("show"); } // Close the dropdown if the user clicks outside of it window.onclick = function(event) { if (!event.target.matches('.dropbtn')) { var dropdowns = document.getElementsByClassName("dropdown-content"); var i; for (i = 0; i < dropdowns.length; i++) { var openDropdown = dropdowns[i]; if (openDropdown.classList.contains('show')) { openDropdown.classList.remove('show'); } } } } </script> <script type="application/javascript"> //calling dfp ADs using Jquery implementation $(document).ready(function () { $.dfp({ dfpID: '8868' }); } ) </script> <style> .dropbtn { } .dropbtn:hover, .dropbtn:focus { background-color: #f1f1f1; border-bottom: 4px solid #ec272d; } .dropdown { position: relative; display: inline-block; } .dropdown-content { display: none; position: absolute; background-color: #f1f1f1; min-width: 140px; overflow: auto; box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2); z-index: 1; } .dropdown-content a { color: black; padding: 12px 16px; text-decoration: none; display: block; } .dropdown a:hover {background-color: #ddd;} .show {display: block;} </style> </div> </div> </div> <div class="experiencefragment aem-GridColumn aem-GridColumn--default--12"> <div class="xf-content-height"> <div class="root responsivegrid"> <div class="aem-Grid aem-Grid--12 aem-Grid--default--12 "> <div class="footer aem-GridColumn aem-GridColumn--default--12"> <script> $(document).ready(function () { $.dfp({ dfpID: '8868', sizeMapping: { 'my-size-mapping': [ { browser: [730, 0], ad_sizes: [[728, 90], [970, 90]] }, { browser: [0, 0], ad_sizes: [320, 50]} ] } }); if (document.documentElement.clientWidth <= 768){ $('#boxAD').removeClass('pull-left'); $('#boxAD').removeClass('pull-right'); $('#boxAD').attr('align', 'center'); $('#vRectAD').removeClass('pull-left'); $('#vRectAD').removeClass('pull-right'); $('#vRectAD').attr('align', 'center'); } }) </script> <footer> <div class="footer-box"> <div class="footer-box-container"> <div class="grid-x grid-padding-x"> <div class="small-12 medium-12 large-3 cell"> <a class="cen-logo-link" href="/"><img src="/content/dam/acs-cen-redesign/logo/cen-logo.png" class="cen-logo" alt="ACS"/></a> </div> <!-- ABOUT --> <div class="small-12 medium-4 large-3 cell"> <div class="footer-menu"> <h4 class="footer-title">ABOUT</h4><ul class="vertical menu"> <li class="verticle-menu-item"><a href="https://cen.acs.org/static/about/aboutus.html" class="menu-list">About us</a></li> <li class="verticle-menu-item"><a href="https://acsmediakit.org/" class="menu-list">Advertise</a></li> <li class="verticle-menu-item"><a href="https://cen.acs.org/static/about/contactus.html" class="menu-list">Contact C&amp;EN</a></li> </ul> </div> </div> <!-- FOLLOW US --> <div class="small-12 medium-4 large-3 cell"> <div class="footer-menu"> <h4 class="footer-title">Follow US</h4><ul class="social-link-footer"> <li class="social-list"> <div style="width:200px"> <ul class="social-link-footer"> <li class="social-list"> <a rel="noopener" class="social-list-link" href="https://www.facebook.com/CENews" target="_blank" title="Facebook"> <i class="fa fa-facebook social-link-icon"></i> </a> </li> </ul> <ul class="social-link-footer"> <li class="social-list"> <a rel="noopener" class="social-list-link" href="https://www.instagram.com/cenmag/" target="_blank" title="Instagram"> <i class="fa fa-instagram social-link-icon"></i> </a> </li> </ul> <ul class="social-link-footer"> <li class="social-list"> <a rel="noopener" class="social-list-link" href="https://twitter.com/cenmag" target="_blank" title="X"> <i class="fa fa-twitter social-link-icon"></i> </a> </li> </ul> <ul class="social-link-footer"> <li class="social-list"> <a rel="noopener" class="social-list-link" href="https://www.linkedin.com/showcase/c&en/" target="_blank" title="LinkedIn"> <i class="fa fa-linkedin social-link-icon"></i> </a> </li> </ul> </div> </li></ul> </div> </div> <!-- ACS --> <div class="small-12 medium-4 large-3 cell"> <div class="footer-menu"> <h4 class="footer-title"><a href="https://www.acs.org/"><img alt="ACS Chemistry for life" src="/content/dam/acs-cen-redesign/logo/acs.png" class="acs-logo" title="ACS: Chemistry for Life(&reg;)"/></a> </h4> <ul class="vertical menu"> <li class="verticle-menu-item"> <a class="menu-list" href="https://cen.acs.org/join-us.html">Join ACS</a> </li> <li class="verticle-menu-item"> <a class="menu-list" href="https://membership.renew.acs.org/membership/renewal/index/">Renew Membership</a> </li> <li class="verticle-menu-item"> <a class="menu-list" href="https://communities.acs.org/">ACS Network</a> </li> </ul> </div> </div> </div> <div class="grid-x grid-padding-x sign-up"> <script src="https://img.en25.com/i/livevalidation_standalone.compressed.js" type="text/javascript"> </script> <div class="large-4 medium-12 small-12 cell text-center text-wrapper"> <p class="signup-text">Sign up for C&amp;EN&#39;s must-read weekly newsletter</p> </div> <div class="large-6 medium-10 medium-offset-1 small-12 cell input-wrapper"> <div id="form_output"></div> <!-- https://s1913652004 old --> <!-- https://s341921710 new --> <form method="post" name="CENNonMemberSubscriptonWidget2023" onsubmit="setTimeout(function(){if(document.querySelector){var s=document.querySelector('form#form725 input[type=submit]');if(s){s.disabled=true;}}},100);return true;" id="form725" class="elq-form ng-pristine ng-valid search-box"> <div class="input-group"> <input id="elqFormName" value="CENNonMemberSubscriptonWidget2023" type="hidden" name="elqFormName"/> <input id="elqSiteId" value="341921710" type="hidden" name="elqSiteId"/> <input id="elqCampaignId" name="elqCampaignId" type="hidden"/> <input type="hidden" name="hiddenField" id="fe17219" value="hp"/> <input type="hidden" name="hiddenField2" id="fe17220" value="Footer"/> <label for="fe13257" class="label-position top" style="display:none;">Email Address<span class="required">*</span></label> <input type="email" id="fe13257" name="emailAddress" value="" syntax="EmailAddress" placeholder="Email Address" required="yes" class="input-group-field fe13257" style="padding-left:10px;"/> <button class="next input-group-button button" value="Submit" onclick="submit">Subscribe &raquo;</button> <span class="checkbox-span field-size-top-medium"> <span> <label class="checkbox-label checkbox-label-homepage newsLetterText"> <small class="checkbox-label-white" style="font-size:70%;">By clicking "Subscribe" you agree to receive C&EN's newsletter and provide permission for American Chemical Society (ACS Publications and C&EN) to email you in accordance with the <a href="https://www.acs.org/content/acs/en/privacy.html" target="_new">ACS Privacy Policy</a>.</small> </label> </span> </span> </div> </form> <script type="text/javascript"> $(document).ready(function () { $('#form725').on('submit', function(e) { e.preventDefault(); var elk = '341921710'; var elkFormName = $('#form725 #elqFormName').val(); var elkSiteID = $('#form725 #elqSiteId').val(); var elkCompainID = $('#form725 #elqCampaignId').val(); var src = $('#form725 #fe17220').val(); var hp = $('#form725 #fe17219').val(); var emailAddress = $('#form725 #fe13257').val(); if(elkFormName!='CENNonMemberSubscriptonWidget2023' || elkSiteID!="341921710" || elkCompainID!="" || src!='Footer' || hp!="hp"){ } else { $('#form725').attr('action','https://s'.concat(elk,'.t.eloqua.com/e/f2')); var elkpth = $('#form725').attr('action'); $.ajax({ url : elkpth || window.location.pathname, type: "GET", async: false, data: $(this).serialize(), success: function (data) { $("#form_output").html("<div class='thank-you'>Thank you for subscribing to the C&EN Weekly Newsletter!</div>"); document.getElementById("form725").reset(); }, error: function (jXHR, textStatus, errorThrown) { alert("This field is required"); } }); } }); }); </script> </div> <script> window.onpageshow = function (event) { if (event.persisted) { location.reload(); } }; </script> </div> </div> </div><!-- footer box closed --> <div class="footer-strip"> <div class="grid-x grid-padding-x"> <div class="large-7 medium-12 small-12 cell"> <p class="copyright"> Copyright © 2024 American Chemical Society. All Rights Reserved.</p> </div> <div class="large-5 medium-12 small-12 cell"> <ul class="menu-footer"> <li class="menu-footer-list"><a class="footer-list-item" href="/static/about/help.html">Help</a></li> <li class="menu-footer-list"><a class="footer-list-item" href="https://www.acs.org/content/acs/en/privacy.html">Privacy Policy</a></li> <li class="menu-footer-list"><a class="footer-list-item" href="https://www.acs.org/content/acs/en/terms.html">Terms of Use</a></li> </ul> </div> </div> </div><!-- footer-strip closed --> </footer> </div> </div> </div> </div> </div> </div> </div> </body> </html>

Pages: 1 2 3 4 5 6 7 8 9 10