Page not found

<!DOCTYPE html> <html lang="en" dir="ltr" prefix="content: http://purl.org/rss/1.0/modules/content/ dc: http://purl.org/dc/terms/ foaf: http://xmlns.com/foaf/0.1/ og: http://ogp.me/ns# rdfs: http://www.w3.org/2000/01/rdf-schema# schema: http://schema.org/ sioc: http://rdfs.org/sioc/ns# sioct: http://rdfs.org/sioc/types# skos: http://www.w3.org/2004/02/skos/core# xsd: http://www.w3.org/2001/XMLSchema# "> <head> <meta charset="utf-8" /> <script>var _paq = _paq || [];(function(){var u=(("https:" == document.location.protocol) ? "https://webanalytics.web.cern.ch/" : "http://webanalytics.web.cern.ch/");_paq.push(["setSiteId", "22"]);_paq.push(["setTrackerUrl", u+"matomo.php"]);_paq.push(["setDocumentTitle", "404/URL = " + encodeURIComponent(document.location.pathname+document.location.search) + "/From = " + encodeURIComponent(document.referrer)]);_paq.push(["setDoNotTrack", 1]);if (!window.matomo_search_results_active) {_paq.push(["trackPageView"]);}_paq.push(["setIgnoreClasses", ["no-tracking","colorbox"]]);_paq.push(["enableLinkTracking"]);var d=document,g=d.createElement("script"),s=d.getElementsByTagName("script")[0];g.type="text/javascript";g.defer=true;g.async=true;g.src=u+"matomo.js";s.parentNode.insertBefore(g,s);})();</script> <meta name="keywords" content="physics, CERN, Large Hadron Collider, LHC, high-energy physics, particles, science" /> <link rel="canonical" href="https://home.web.cern.ch/page-not-found" /> <meta name="Generator" content="Drupal 10 (https://www.drupal.org)" /> <meta name="MobileOptimized" content="width" /> <meta name="HandheldFriendly" content="true" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <link rel="icon" href="/sites/default/themes/custom/cernpublic/favicon.ico" type="image/vnd.microsoft.icon" /> <link rel="alternate" hreflang="en" href="https://home.web.cern.ch/page-not-found" /> <title>Page not found | CERN</title> <link rel="stylesheet" media="all" href="/modules/custom/cern-loading/css/cern_loading.css?smqvgl" /> <link rel="stylesheet" media="all" href="//framework.web.cern.ch/framework/3.0/js/owlcarousel/css/owl.carousel.css" /> <link rel="stylesheet" media="all" href="//framework.web.cern.ch/framework/3.0/js/owlcarousel/css/owl.theme.default.css" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/align.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/fieldgroup.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/container-inline.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/clearfix.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/details.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/hidden.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/item-list.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/js.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/nowrap.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/position-container.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/progress.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/reset-appearance.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/resize.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/sticky-header.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/system-status-counter.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/system-status-report-counters.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/system-status-report-general-info.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/tablesort.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/tree-child.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/modules/custom/cern-components/patterns/molecules/system-display/css/system-display.component.css?smqvgl" /> <link rel="stylesheet" media="all" href="/modules/custom/cern-toolbar/assets/css/screen.css?smqvgl" /> <link rel="stylesheet" media="all" href="/modules/custom/cern-toolbar/assets/css/cookieconsent.css?smqvgl" /> <link rel="stylesheet" media="all" href="/modules/custom/cern-components/patterns/molecules/menu/css/menu.component.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/views/css/views.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/modules/custom/cern-components/patterns/molecules/preview-card/css/component-preview-card.css?smqvgl" /> <link rel="stylesheet" media="all" href="/modules/contrib/paragraphs/css/paragraphs.unpublished.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/files/color/cernpublic-ac827e9a/colors.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/base.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/layout.css?smqvgl" /> <link rel="stylesheet" media="all" href="//framework.web.cern.ch/framework/3.0/js/prism/prism.css" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/components/footer.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/components/header.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/components/pagination.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/components/forms.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/components/fields.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/components/dropdown.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/components/progress.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/components/accordion.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/components/social-sharing.css?smqvgl" /> <link rel="stylesheet" media="all" href="//framework.web.cern.ch/framework/3.0/js/colorbox/colorbox.css" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/theme.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/cookies.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/viewspage.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/views/faq-views.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/views/agenda-views.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/views/news-views.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/views/stories-views.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/views/resources-views.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/views/taxonomies-views.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/views/search-views.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/views/common-views.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/views/generic-views.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernpublic/css/layout.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernpublic/css/overrides.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernpublic/css/header.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernpublic/css/views.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernpublic/css/blocks.css?smqvgl" /> <link rel="preload" href="//framework.web.cern.ch/framework/3.0/images/loader.gif" as="image"> </head> <body class="page-node-5009 page-node-type-system_page cern-theme-on path-about page-node-type-system-page has-glyphicons"> <a href="#main-content" class="visually-hidden focusable skip-link"> Skip to main content </a> <div id="cern-global-loading-layout"><span><span></span></span><span></span></div><div id="cern-toolbar" role="group" aria-label="CERN Toolbar" class="user-not-authenticated"> <h1> <a href="//home.cern" title="CERN"> CERN <span>Accelerating science</span> </a> </h1> <ul> <li class="signin"> <div class="item-list item-list-length-1"> <ul class="cern-signedin toolbar-submenu"><li class="cern-account-links"><a href="https://home.web.cern.ch/user/login?destination=about/updates/news/data-privacy-think-you-throw" class="cern-account cern-signin cern-single-mobile-signin">Sign in</a></li></ul> </div> </li> <li><a href="//cern.ch/directory" class="cern-directory" title="Search CERN resources and browse the directory">Directory</a></li> </ul> </div> <div class="dialog-off-canvas-main-canvas" data-off-canvas-main-canvas> <header role="banner"> <div class="header-wrapper"> <div class="site-info col-xs-12 col-sm-2 col-md-3 col-lg-4"> <div class="site-info__logo col-lg-3 col-md-3 col-sm-3"> <a href="/" title="Home" rel="home"> <img src="/sites/default/files/logo/cern-logo.png" alt="home"/> </a> </div> <div class="site-info__text col-lg-9 col-md-9 col-sm-0 col-xs-9"> </div> </div> <div class="site-nav col-xs-12 col-sm-10 col-md-9 col-lg-8"> <div class="region region-header"> <section id="block-cernmegamenu" class="block block-block-content block-block-content51503ac3-f37a-4ef6-9d9e-34cac1020012 clearfix"> <div class="field field--name-field-b-menu field--type-entity-reference-revisions field--label-hidden field--item"><nav role="navigation" aria-labelledby="block-mainnavigation-menu" id="block-mainnavigation" class="block-mainnavigation-cern-megamenu"> <nav class="navbar navbar-default"> <div class="container-fluid">  <div class="navbar-header"> <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false"> <span class="sr-only">Toggle navigation</span> <span class="icon-bar"></span> <span class="icon-bar"></span> <span class="icon-bar"></span> </button> </div>  <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1"> <ul class="nav navbar-nav"> <li class="cern-dropdown"> <a class="dropdown-toggle"> About </a> <div class="cern-dropdown-menu row"> <div class="col-xs-12 col-sm-12 col-md-4 col-lg-4 col-item-megamenu"> <div class="block-custom-wrapper block-content block-content--type-basic block-content--view-mode-default ds-1col clearfix"> <div class="field field--name-body field--type-text-with-summary field--label-hidden field--item"><h2>CERN</h2> <p>At CERN, we probe the fundamental structure of particles that make up everything around us. We do so using the world's largest and most complex scientific instruments.</p> <p class="cern-btn"><a class="cern-btn" href="/about">Know more</a></p> </div> </div> </div> <div class="col-xs-0 col-sm-0 col-md-8 col-lg-8 col-item-megamenu"> <div class="row"> <div class="col-xs-12 col-sm-12 col-md-4 col-lg-4 col-item-megamenu"> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0"> <a href="/about/who-we-are" data-drupal-link-system-path="node/5898">Who we are</a> </p> <ul class=""> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/about/who-we-are/our-mission" data-drupal-link-system-path="node/5273">Our Mission</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/about/who-we-are/our-governance" data-drupal-link-system-path="node/5277">Our Governance</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/about/who-we-are/our-governance/member-states" data-drupal-link-system-path="node/5278">Our Member States</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/about/who-we-are/our-history" data-drupal-link-system-path="node/5028">Our History</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/about/who-we-are/our-people" data-drupal-link-system-path="node/5430">Our People</a> </p> </li> </ul> </li> </ul> </div> <div class="col-xs-12 col-sm-12 col-md-4 col-lg-4 col-item-megamenu"> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0"> <a href="/about/what-we-do" data-drupal-link-system-path="node/5899">What we do</a> </p> <ul class=""> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/about/what-we-do/fundamental-research" data-drupal-link-system-path="node/5920">Fundamental research</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/about/what-we-do/our-impact" data-drupal-link-system-path="node/5435">Contribute to society</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/about/what-we-do/environmentally-responsible-research" data-drupal-link-system-path="node/185640">Environmentally responsible research</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/about/what-we-do/bring-nations-together" data-drupal-link-system-path="node/157979">Bring nations together</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/about/what-we-do/inspire-educate" data-drupal-link-system-path="node/9390">Inspire and educate</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/resources/faqs" data-drupal-link-system-path="resources/faqs">Fast facts and FAQs</a> </p> </li> </ul> </li> </ul> </div> <div class="col-xs-12 col-sm-12 col-md-4 col-lg-4 col-item-megamenu"> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0 cernmenu-level-last "> <a href="/about/key-achievements" data-drupal-link-system-path="node/5497">Key Achievements</a> </p> </li> </ul> <div class="block-custom-wrapper block-content block-content--type-basic block-content--view-mode-default ds-1col clearfix"> <div class="field field--name-field-visible-title field--type-string field--label-hidden field--item"> <p>Key achievements submenu</p> </div> <div class="field field--name-body field--type-text-with-summary field--label-hidden field--item"><ul class="cern-submenu custom-block-submenu"> <li> <p class="cernmenu-level-1 cernmenu-level-last "><a href="/science/physics/higgs-boson">The Higgs Boson</a></p> </li> <li> <p class="cernmenu-level-1 cernmenu-level-last "><a href="/science/physics/w-boson-sunshine-and-stardust">The W boson</a></p> </li> <li> <p class="cernmenu-level-1 cernmenu-level-last "><a href="/science/physics/z-boson">The Z boson</a></p> </li> <li> <p class="cernmenu-level-1 cernmenu-level-last "><a href="/science/accelerators/large-hadron-collider">The Large Hadron Collider</a></p> </li> <li> <p class="cernmenu-level-1 cernmenu-level-last "><a href="/science/computing/birth-web">The Birth of the web</a></p> </li> <li> <p class="cernmenu-level-1 cernmenu-level-last "><a href="/science/physics/antimatter">Antimatter</a></p> </li> </ul> </div> </div> </div> <div class="col-xs-12 col-sm-12 col-md-4 col-lg-4 col-item-megamenu"> </div> </div> </div> <div class="close-cern-dropdown"></div> </div> </li> <li class="cern-dropdown"> <a class="dropdown-toggle"> News </a> <div class="cern-dropdown-menu row"> <div class="col-xs-12 col-sm-12 col-md-6 col-lg-6 col-item-megamenu"> <div class="views-element-container form-group"> <div class="view view-cern-news-menu-featured view-id-cern_news_menu_featured view-display-id-block_1 js-view-dom-id-ce7cad76297e8e2ff9c899595a59f80ef9100eb0063fe90b72ae57b252ecc452 cern-view-display-block cern-view-display-block_1 clearfix"> <div class="view-header"> Featured news, updates, stories, opinions, announcements </div> <div class="view-content clearfix"> <div class="views-row"> <div data-history-node-id="191265" id="preview-card" class="component-preview-cards box-pattern news_page" style="background:url('/sites/default/files/styles/large/public/2024-11/202410-267_167.jpg?itok=9FkCAvwX') no-repeat center center / cover" data-background="/sites/default/files/styles/large/public/2024-11/202410-267_167.jpg?itok=9FkCAvwX" class="component-preview-cards box-pattern news_page"> <a class="box-link" target="" href="/news/press-release/cern/cern-council-selects-mark-thomson-next-director-general-starting-2026"></a> <div class="component-preview-cards__veil"></div> <div class="component-preview-cards__box_wrapper"> <div class="component-preview-cards__box"> <div class="preview-card__title"> <h3 class="standard-title"> <a href="/news/press-release/cern/cern-council-selects-mark-thomson-next-director-general-starting-2026" hreflang="en" title="CERN Council selects Mark Thomson as next Director-General, starting in 2026"> <span> CERN Council selects Mark Thomson as next Dir... </span> </a> </h3> </div> <div class="preview-card__body"></div> <div class="preview-cards__subtext"> <div class="preview-card__category" style="color:"> At CERN </div> <div class="preview-card__category" style="color:"> Press release </div> <div class="preview-card__date" style="color:"> <time datetime="2024-11-06T11:00:02Z">6 November, 2024</time> </div> </div> </div> </div> </div> </div> <div class="views-row"> <div data-history-node-id="191152" id="preview-card--2" class="component-preview-cards box-pattern news_page" style="background:url('/sites/default/files/styles/large/public/2024-10/ba1938f2-89a3-4bdd-bd79-5b83ed6f3e35.JPG?itok=Lh4ptU3U') no-repeat center center / cover" data-background="/sites/default/files/styles/large/public/2024-10/ba1938f2-89a3-4bdd-bd79-5b83ed6f3e35.JPG?itok=Lh4ptU3U" class="component-preview-cards box-pattern news_page"> <a class="box-link" target="" href="/news/news/cern/estonian-flag-raised-cern"></a> <div class="component-preview-cards__veil"></div> <div class="component-preview-cards__box_wrapper"> <div class="component-preview-cards__box"> <div class="preview-card__title"> <h3 class="standard-title"> <a href="/news/news/cern/estonian-flag-raised-cern" hreflang="en" title="Estonian flag raised at CERN"> <span> Estonian flag raised at CERN </span> </a> </h3> </div> <div class="preview-card__body"></div> <div class="preview-cards__subtext"> <div class="preview-card__category" style="color:"> At CERN </div> <div class="preview-card__category" style="color:"> News </div> <div class="preview-card__date" style="color:"> <time datetime="2024-10-17T12:33:54Z">17 October, 2024</time> </div> </div> </div> </div> </div> </div> <div class="views-row"> <div data-history-node-id="191124" id="preview-card--3" class="component-preview-cards box-pattern news_page" style="background:url('/sites/default/files/styles/large/public/2024-10/Picture%201.jpg?itok=YeI6iEmy') no-repeat center center / cover" data-background="/sites/default/files/styles/large/public/2024-10/Picture%201.jpg?itok=YeI6iEmy" class="component-preview-cards box-pattern news_page"> <a class="box-link" target="" href="/news/press-release/physics/particle-physicists-chart-course-future"></a> <div class="component-preview-cards__veil"></div> <div class="component-preview-cards__box_wrapper"> <div class="component-preview-cards__box"> <div class="preview-card__title"> <h3 class="standard-title"> <a href="/news/press-release/physics/particle-physicists-chart-course-future" hreflang="en" title="Particle physicists chart a course to the future"> <span> Particle physicists chart a course to the fut... </span> </a> </h3> </div> <div class="preview-card__body"></div> <div class="preview-cards__subtext"> <div class="preview-card__category" style="color:"> Physics </div> <div class="preview-card__category" style="color:"> Press release </div> <div class="preview-card__date" style="color:"> <time datetime="2024-10-11T09:08:31Z">11 October, 2024</time> </div> </div> </div> </div> </div> </div> <div class="views-row"> <div data-history-node-id="191077" id="preview-card--4" class="component-preview-cards box-pattern news_page" style="background:url('/sites/default/files/styles/large/public/2024-10/10-Family-photo%20%281%29.jpg?itok=UtnK0P4h') no-repeat center center / cover" data-background="/sites/default/files/styles/large/public/2024-10/10-Family-photo%20%281%29.jpg?itok=UtnK0P4h" class="component-preview-cards box-pattern news_page"> <a class="box-link" target="" href="/news/press-release/cern/blowing-out-70-candles-cern-celebrates-seven-decades-discoveries-and-looks"></a> <div class="component-preview-cards__veil"></div> <div class="component-preview-cards__box_wrapper"> <div class="component-preview-cards__box"> <div class="preview-card__title"> <h3 class="standard-title"> <a href="/news/press-release/cern/blowing-out-70-candles-cern-celebrates-seven-decades-discoveries-and-looks" hreflang="en" title="Blowing out 70 candles: CERN celebrates seven decades of discoveries and looks ahead to a brilliant future of science and innovation"> <span> Blowing out 70 candles: CERN celebrates seven... </span> </a> </h3> </div> <div class="preview-card__body"></div> <div class="preview-cards__subtext"> <div class="preview-card__category" style="color:"> At CERN </div> <div class="preview-card__category" style="color:"> Press release </div> <div class="preview-card__date" style="color:"> <time datetime="2024-10-01T10:00:00Z">1 October, 2024</time> </div> </div> </div> </div> </div> </div> </div> <div class="view-footer"> <p class="cern-btn"><a class="cern-btn" href="/news?audience=23">Latest news</a></p> </div> </div> </div> </div> <div class="col-xs-0 col-sm-0 col-md-6 col-lg-6 col-item-megamenu"> <div class="row"> <div class="col-xs-12 col-sm-12 col-md-6 col-lg-4 col-item-megamenu"> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0"> <a href="/news?audience=23" data-drupal-link-query="{"audience":"23"}" data-drupal-link-system-path="news">News</a> </p> <ul class=""> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/news?topic=1114" data-drupal-link-query="{"topic":"1114"}" data-drupal-link-system-path="news">Accelerators</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/news?topic=1118" data-drupal-link-query="{"topic":"1118"}" data-drupal-link-system-path="news">At CERN</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/news?topic=1116" data-drupal-link-query="{"topic":"1116"}" data-drupal-link-system-path="news">Computing</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/news?topic=1115" data-drupal-link-query="{"topic":"1115"}" data-drupal-link-system-path="news">Engineering</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/news?topic=1117" data-drupal-link-query="{"topic":"1117"}" data-drupal-link-system-path="news">Experiments</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/news?topic=1119" data-drupal-link-query="{"topic":"1119"}" data-drupal-link-system-path="news">Knowledge sharing</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/news?topic=1113" data-drupal-link-query="{"topic":"1113"}" data-drupal-link-system-path="news">Physics</a> </p> </li> </ul> </li> </ul> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0 cernmenu-level-last "> <a href="/events" data-drupal-link-system-path="events">Events</a> </p> </li> </ul> </div> <div class="col-xs-12 col-sm-12 col-md-6 col-lg-4 col-item-megamenu"> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0"> <a href="/cern-community" data-drupal-link-system-path="node/5872">CERN Community</a> </p> <ul class=""> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/news?audience=24" data-drupal-link-query="{"audience":"24"}" data-drupal-link-system-path="news">News and announcements</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/news?type=45" data-drupal-link-query="{"type":"45"}" data-drupal-link-system-path="news">Official communications</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/tags/events-cern" data-drupal-link-system-path="taxonomy/term/494">Events</a> </p> </li> </ul> </li> </ul> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0"> <a href="/scientists" data-drupal-link-system-path="node/5827">Scientists</a> </p> <ul class=""> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/news?audience=19" data-drupal-link-query="{"audience":"19"}" data-drupal-link-system-path="news">News</a> </p> </li> </ul> </li> </ul> </div> <div class="col-xs-12 col-sm-12 col-md-6 col-lg-4 col-item-megamenu"> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0 cernmenu-level-last "> <a href="/press" data-drupal-link-system-path="node/5032">Press Room</a> </p> </li> </ul> <div class="block-custom-wrapper block-content block-content--type-basic block-content--view-mode-default ds-1col clearfix"> <div class="field field--name-field-visible-title field--type-string field--label-hidden field--item"> <p>Press Room submenu</p> </div> <div class="field field--name-body field--type-text-with-summary field--label-hidden field--item"><ul class="cern-submenu custom-block-submenu"> <li> <p class="cernmenu-level-1 cernmenu-level-last "><a href="/news?audience=22">Media News</a></p> </li> <li> <p class="cernmenu-level-1 cernmenu-level-last "><a href="/press/resources">Resources</a></p> </li> <li> <p class="cernmenu-level-1 cernmenu-level-last "><a href="/press/contact">Contact</a></p> </li> </ul> </div> </div> </div> </div> </div> <div class="close-cern-dropdown"></div> </div> </li> <li class="cern-dropdown"> <a class="dropdown-toggle"> Science </a> <div class="cern-dropdown-menu row"> <div class="col-xs-12 col-sm-12 col-md-3 col-lg-3 col-item-megamenu"> <div class="block-custom-wrapper block-content block-content--type-basic block-content--view-mode-default ds-1col clearfix"> <div class="field field--name-body field--type-text-with-summary field--label-hidden field--item"><h2>Science</h2> <p><img alt="img" data-entity-type="file" data-entity-uuid="948207c4-d66f-492e-9f8a-3e9a1aa3b55f" src="/sites/default/files/inline-images/pkatyaya/1209226_01-A5-at-72-dpi.jpg" width="561" height="377" loading="lazy"></p> <p>The research programme at CERN covers topics from kaons to cosmic rays, and from the Standard Model to supersymmetry</p> <p class="cern-btn"><a href="/science">Know more</a></p> </div> </div> </div> <div class="col-xs-0 col-sm-0 col-md-9 col-lg-9 col-item-megamenu"> <div class="row"> <div class="col-xs-12 col-sm-12 col-md-4 col-lg-4 col-item-megamenu"> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0"> <a href="/science/physics" data-drupal-link-system-path="node/5298">Physics</a> </p> <ul class=""> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/science/physics/antimatter" data-drupal-link-system-path="node/5026">Antimatter</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/science/physics/dark-matter" data-drupal-link-system-path="node/497">Dark matter</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/science/physics/early-universe" data-drupal-link-system-path="node/499">The early universe</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/science/physics/higgs-boson" data-drupal-link-system-path="node/182651">The Higgs boson</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/science/physics/standard-model" data-drupal-link-system-path="node/496">The Standard Model</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/science/physics" class="plus-more-link" data-drupal-link-system-path="node/5298">+ More</a> </p> </li> </ul> </li> </ul> </div> <div class="col-xs-12 col-sm-12 col-md-4 col-lg-4 col-item-megamenu"> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0"> <a href="/science/accelerators" data-drupal-link-system-path="node/5038">Accelerators</a> </p> <ul class=""> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/science/accelerators/accelerator-complex" data-drupal-link-system-path="node/18036">CERN's accelerators</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/science/accelerators/antiproton-decelerator" data-drupal-link-system-path="node/428">The Antiproton Decelerator</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/science/accelerators/large-hadron-collider" data-drupal-link-system-path="node/432">The Large Hadron Collider</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/science/accelerators/high-luminosity-lhc" data-drupal-link-system-path="node/5248">High-Luminosity LHC</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/science/accelerators" class="plus-more-link" data-drupal-link-system-path="node/5038">+ More</a> </p> </li> </ul> </li> </ul> </div> <div class="col-xs-12 col-sm-12 col-md-4 col-lg-4 col-item-megamenu"> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0"> <a href="/science/engineering" data-drupal-link-system-path="node/5304">Engineering</a> </p> <ul class=""> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/science/engineering/accelerating-radiofrequency-cavities" data-drupal-link-system-path="node/455">Accelerating: radiofrequency cavities</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/science/engineering/pulling-together-superconducting-electromagnets" data-drupal-link-system-path="node/452">Steering and focusing: magnets and superconductivity</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/science/engineering/vacuum-empty-interstellar-space" data-drupal-link-system-path="node/454">Circulating: ultra-high vacuum</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/science/engineering/cryogenics-low-temperatures-high-performance" data-drupal-link-system-path="node/451">Cooling: cryogenic systems</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/science/engineering/powering-cern" data-drupal-link-system-path="node/453">Powering: energy at CERN</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/science/engineering" class="plus-more-link" data-drupal-link-system-path="node/5304">+ More</a> </p> </li> </ul> </li> </ul> </div> <div class="col-xs-12 col-sm-12 col-md-4 col-lg-4 col-item-megamenu"> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0"> <a href="/science/computing" data-drupal-link-system-path="node/5732">Computing</a> </p> <ul class=""> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/science/computing/data-centre" data-drupal-link-system-path="node/5733">The CERN Data Centre</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/science/computing/grid" data-drupal-link-system-path="node/5736">The Worldwide LHC Computing Grid</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/science/computing/cern-openlab" data-drupal-link-system-path="node/5759">CERN openlab</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/science/computing/open-source-open-science" data-drupal-link-system-path="node/5747">Open source for open science</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/science/computing/birth-web" data-drupal-link-system-path="node/5762">The birth of the web</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/science/computing" class="plus-more-link" data-drupal-link-system-path="node/5732">+ More</a> </p> </li> </ul> </li> </ul> </div> <div class="col-xs-12 col-sm-12 col-md-4 col-lg-4 col-item-megamenu"> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0"> <a href="/science/experiments" data-drupal-link-system-path="node/5303">Experiments</a> </p> <ul class=""> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/science/experiments/alice" data-drupal-link-system-path="node/470">ALICE</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/science/experiments/atlas" data-drupal-link-system-path="node/471">ATLAS</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/science/experiments/cms" data-drupal-link-system-path="node/472">CMS</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/science/experiments/lhcb" data-drupal-link-system-path="node/473">LHCb</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/science/experiments" class="plus-more-link" data-drupal-link-system-path="node/5303">+ More</a> </p> </li> </ul> </li> </ul> </div> </div> </div> <div class="close-cern-dropdown"></div> </div> </li> <li class="cern-dropdown"> <a class="dropdown-toggle"> Resources </a> <div class="cern-dropdown-menu row"> <div class="col-xs-12 col-sm-12 col-md-6 col-lg-6 col-item-megamenu"> <div class="views-element-container form-group"> <div class="view view-resource-menu-content view-id-resource_menu_content view-display-id-block_1 js-view-dom-id-64537dd19ab11392c098c864acfb02c6a4714f7d21a26c191dfc85f16805274a cern-view-display-block cern-view-display-block_1 clearfix"> <h1 class="mb-3 mt-3 text-center">Featured resources</h1> <div class="view-content clearfix"> <div class="views-row"> <div class="views-field views-field-rendered-entity"><span class="field-content"> <div data-history-node-id="191022" id="preview-card--5" class="component-preview-cards box-pattern news_page" style="background:url('/sites/default/files/styles/large/public/2024-09/CERNCourierSep-Oct2024.jpg?itok=rdOrGlQS') no-repeat center center / cover" data-background="/sites/default/files/styles/large/public/2024-09/CERNCourierSep-Oct2024.jpg?itok=rdOrGlQS" class="component-preview-cards box-pattern news_page"> <a class="box-link" target="" href="/resources/courier/physics/cern-courier-sepoct-2024"></a> <div class="component-preview-cards__veil"></div> <div class="component-preview-cards__box_wrapper"> <div class="component-preview-cards__box"> <div class="component-preview-cards__category-icon-vocabulary" data-icon="^"></div> <div class="preview-card__title"> <h3 class="standard-title"> <a href="/resources/courier/physics/cern-courier-sepoct-2024" hreflang="en" title="CERN Courier Sep/Oct 2024"> <span> CERN Courier Sep/Oct 2024 </span> </a> </h3> </div> <div class="preview-card__body"></div> <div class="preview-cards__subtext"> <div class="preview-card__category" style="color:"> Courier </div> <div class="preview-card__category" style="color:"> Physics </div> <div class="preview-card__date" style="color:"> <time datetime="2024-01-09T10:07:31Z">9 January, 2024</time> </div> </div> </div> </div> </div> </span></div> </div> <div class="views-row"> <div class="views-field views-field-rendered-entity"><span class="field-content"> <div data-history-node-id="5047" id="preview-card--6" class="component-preview-cards box-pattern news_page" style="background:url('//cds.cern.ch/images/CERN-PHOTO-202105-067-19/file?size=medium') no-repeat center center / cover" data-background="//cds.cern.ch/images/CERN-PHOTO-202105-067-19/file?size=medium" class="component-preview-cards box-pattern news_page"> <a class="box-link" target="" href="/resources/image/accelerators/high-luminosity-lhc-gallery"></a> <div class="component-preview-cards__veil"></div> <div class="component-preview-cards__box_wrapper"> <div class="component-preview-cards__box"> <div class="component-preview-cards__category-icon-vocabulary" data-icon="z"></div> <div class="preview-card__title"> <h3 class="standard-title"> <a href="/resources/image/accelerators/high-luminosity-lhc-gallery" hreflang="en" title="High-Luminosity LHC images"> <span> High-Luminosity LHC images </span> </a> </h3> </div> <div class="preview-card__body"></div> <div class="preview-cards__subtext"> <div class="preview-card__category" style="color:"> Image </div> <div class="preview-card__category" style="color:"> Accelerators </div> <div class="preview-card__date" style="color:"> <time datetime="2018-06-20T12:37:57Z">20 June, 2018</time> </div> </div> </div> </div> </div> </span></div> </div> <div class="views-row"> <div class="views-field views-field-rendered-entity"><span class="field-content"> <div data-history-node-id="5179" id="preview-card--7" class="component-preview-cards box-pattern news_page" style="background:url('/sites/default/files/styles/large/public/2022-05/FAQ-LHC-EN-cover-min_0_0.JPG?itok=6kjMukRO') no-repeat center center / cover" data-background="/sites/default/files/styles/large/public/2022-05/FAQ-LHC-EN-cover-min_0_0.JPG?itok=6kjMukRO" class="component-preview-cards box-pattern news_page"> <a class="box-link" target="" href="/resources/brochure/knowledge-sharing/lhc-facts-and-figures"></a> <div class="component-preview-cards__veil"></div> <div class="component-preview-cards__box_wrapper"> <div class="component-preview-cards__box"> <div class="component-preview-cards__category-icon-vocabulary" data-icon="^"></div> <div class="preview-card__title"> <h3 class="standard-title"> <a href="/resources/brochure/knowledge-sharing/lhc-facts-and-figures" hreflang="en" title="LHC Facts and Figures"> <span> LHC Facts and Figures </span> </a> </h3> </div> <div class="preview-card__body"></div> <div class="preview-cards__subtext"> <div class="preview-card__category" style="color:"> Brochure </div> <div class="preview-card__category" style="color:"> Knowledge sharing </div> <div class="preview-card__date" style="color:"> <time datetime="2022-05-10T10:00:00Z">10 May, 2022</time> </div> </div> </div> </div> </div> </span></div> </div> </div> <div class="view-footer"> <p class="cern-btn"><a class="cern-btn" href="/resources">See all resources</a></p> </div> </div> </div> </div> <div class="col-xs-0 col-sm-0 col-md-6 col-lg-6 col-item-megamenu"> <div class="row"> <div class="col-xs-12 col-sm-12 col-md-4 col-lg-4 col-item-megamenu"> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0"> <span>By Topic</span> </p> <ul class=""> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/resources?topic=1114" data-drupal-link-query="{"topic":"1114"}" data-drupal-link-system-path="resources">Accelerators</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/resources?topic=1118" data-drupal-link-query="{"topic":"1118"}" data-drupal-link-system-path="resources">At CERN</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/resources?topic=1116" data-drupal-link-query="{"topic":"1116"}" data-drupal-link-system-path="resources">Computing</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/resources?topic=1115" data-drupal-link-query="{"topic":"1115"}" data-drupal-link-system-path="resources">Engineering</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/resources?topic=1117" data-drupal-link-query="{"topic":"1117"}" data-drupal-link-system-path="resources">Experiments</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/resources?topic=1119" data-drupal-link-query="{"topic":"1119"}" data-drupal-link-system-path="resources">Knowledge sharing</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/resources?topic=1113" data-drupal-link-query="{"topic":"1113"}" data-drupal-link-system-path="resources">Physics</a> </p> </li> </ul> </li> </ul> </div> <div class="col-xs-12 col-sm-12 col-md-4 col-lg-4 col-item-megamenu"> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0"> <span>By format</span> </p> <ul class=""> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/resources?type=62" data-drupal-link-query="{"type":"62"}" data-drupal-link-system-path="resources">360 image</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/resources?type=53" data-drupal-link-query="{"type":"53"}" data-drupal-link-system-path="resources">Annual report</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/resources?type=56" data-drupal-link-query="{"type":"56"}" data-drupal-link-system-path="resources">Brochure</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/resources/bulletin/cern/cern-bulletin" data-drupal-link-system-path="node/5055">Bulletin</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/resources?type=52" data-drupal-link-query="{"type":"52"}" data-drupal-link-system-path="resources">Courier</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/resources?type=59" data-drupal-link-query="{"type":"59"}" data-drupal-link-system-path="resources">Image</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/resources?type=61" data-drupal-link-query="{"type":"61"}" data-drupal-link-system-path="resources">Video</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/resources" class="plus-more-link" data-drupal-link-system-path="resources">+ More</a> </p> </li> </ul> </li> </ul> </div> <div class="col-xs-12 col-sm-12 col-md-4 col-lg-4 col-item-megamenu"> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0"> <span>By audience</span> </p> <ul class=""> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/resources?audience=24" data-drupal-link-query="{"audience":"24"}" data-drupal-link-system-path="resources">CERN community</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/resources?audience=21" data-drupal-link-query="{"audience":"21"}" data-drupal-link-system-path="resources">Educators</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/resources?audience=23" data-drupal-link-query="{"audience":"23"}" data-drupal-link-system-path="resources">General public</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/resources?audience=17" data-drupal-link-query="{"audience":"17"}" data-drupal-link-system-path="resources">Industry</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/resources/audience/resources-topic" data-drupal-link-system-path="node/5436">Media</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/resources?audience=19" data-drupal-link-query="{"audience":"19"}" data-drupal-link-system-path="resources">Scientists</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/resources?audience=20" data-drupal-link-query="{"audience":"20"}" data-drupal-link-system-path="resources">Students</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/resources" class="plus-more-link" data-drupal-link-system-path="resources">+ More</a> </p> </li> </ul> </li> </ul> </div> </div> </div> <div class="close-cern-dropdown"></div> </div> </li> <li class="cern-dropdown cern-menu-search"> <a href="#" class="dropdown-toggle cern-menu-item-search">search</a> <div class="cern-dropdown-menu row"> <div class="close-cern-dropdown"></div> <div class="col-md-offset-2 col-md-8 cern-menu-content-search"> <span class="placeholder-of-search hidden d-none">E.G. BIRTH OF WEB, LHC PAGE 1, BULLETIN...</span> <span class="placeholder-of-search-mobile hidden d-none">E.G. BIRTH OF WEB, LHC...</span> <div class="search-block-form block block-search block-search-form-block" data-drupal-selector="search-block-form" role="search"> <form action="/search/node" method="get" id="search-block-form" accept-charset="UTF-8"> <div class="form-item js-form-item form-type-search js-form-type-search form-item-keys js-form-item-keys form-no-label form-group"> <label for="edit-keys" class="control-label sr-only">Search</label> <div class="input-group"><input title="Enter the terms you wish to search for." data-drupal-selector="edit-keys" class="form-search form-control" placeholder="Search" type="search" id="edit-keys" name="keys" value="" size="15" maxlength="128" data-toggle="tooltip" /><span class="input-group-btn"><button type="submit" value="Search" class="button js-form-submit form-submit btn-primary btn icon-only"><span class="sr-only">Search</span><span class="icon glyphicon glyphicon-search" aria-hidden="true"></span></button></span></div> </div> <div class="form-actions form-group js-form-wrapper form-wrapper" data-drupal-selector="edit-actions" id="edit-actions"></div> </form> </div> </div> </div> </li> <li class="dropdown cern-menu-lang-switcher"> <a class="dropdown-toggle" data-toggle="dropdown" aria-expanded="true"> <span class="separator">|</span> en <span class="caret"></span> </a> <ul class="dropdown-menu"> <li><section class="language-switcher-language-url block block-language block-language-blocklanguage-interface clearfix" role="navigation"> <ul class="links"><li hreflang="en" data-drupal-link-system-path="node/5009" class="en"><a href="/page-not-found" class="language-link" hreflang="en" data-drupal-link-system-path="node/5009">en</a></li><li hreflang="fr" data-drupal-link-system-path="node/5009" class="fr"><a href="/fr/node/5009" class="language-link" hreflang="fr" data-drupal-link-system-path="node/5009">fr</a></li></ul> </section> </li> </ul> </li> </ul> </div>  </div>  </nav> </nav> </div> </section> </div> </div> </div> </div> </header> <main role="main"> <a id="main-content" tabindex="-1"></a> <div class="container cern-page-display-page cern-page-display-system_page"> <div class="has-no-column wrapper-center col-md-12 col-sm-12 col-xs-12"> <div class="region region-content"> <div data-drupal-messages-fallback class="hidden"></div> <div data-drupal-messages-fallback class="hidden"></div> <div class="system-node-center-content clearfix mt-1 mb-4"> <h1 class="system-node-full-content-title mb-4"> Page not found </h1> <div class="mt-2"> <div class="system-node-full-content-body full-html-markup full-text-animation"> <p>Page not found, or something went wrong with the web server. Talking of web servers, this is a picture of the world's first web server, Tim Berners-Lee's NeXT machine at CERN:</p> <p><img alt src="/sites/home.web.cern.ch/files/image/inline-images/old/NeXT-TBL.jpg"></p> <p><a href="/about/birth-web">Read more about the birth of the web at CERN</a></p> </div> </div> </div> </div> </div> </div> </main> <footer role="contentinfo"> <div class="row cern-footer"> <div class="col-xs-12 col-sm-4 col-md-4 col-lg-4 footer-first-col"> <div class="region region-footercolumn1"> <section id="block-followus" class="block block-block-content block-block-content6d2579e3-b650-496f-b854-0c744e176f43 clearfix"> <div class="block-custom-wrapper block-content block-content--type-basic block-content--view-mode-full ds-1col clearfix"> <div class="field field--name-field-visible-title field--type-string field--label-hidden field--item"> <p>Follow Us</p> </div> <div class="field field--name-body field--type-text-with-summary field--label-hidden field--item"><p style="font-size:36px; font-family: CERNIcons, CernIcons, cern-icons; display: flex; gap: 10px;"><a href="http://www.facebook.com/cern"><img alt="Facebook icon" data-entity-type="file" data-entity-uuid="5da97013-d976-42e3-aaf3-c2cdf2683c3d" height="40" src="/sites/default/files/inline-images/lburdych/Facebook.png" width="40" loading="lazy"> </a> <a href="http://www.instagram.com/cern"> <img alt="Instagram icon" data-entity-type="file" data-entity-uuid="e80bf359-c309-4a5e-ae36-a6d4b950b285" height="40" src="/sites/default/files/inline-images/lburdych/Instagram.png" width="40" loading="lazy"> </a> <a href="https://www.tiktok.com/@cern_ontiktok"> <img alt="TikTok icon" data-entity-type="file" data-entity-uuid="8fc6b5aa-066e-4eb5-88de-56b61690e174" height="40" src="/sites/default/files/inline-images/lburdych/TikTok_0.png" width="40" loading="lazy"></a> <a href="https://x.com/CERN"> <img alt="X icon" data-entity-type="file" data-entity-uuid="f1391fcf-1b27-42d5-9712-2052e2fceee5" height="40" src="/sites/default/files/inline-images/lburdych/X.png" width="40" loading="lazy"> </a> <a href="http://www.linkedin.com/company/cern"> <img alt="LinkedIn icon" data-entity-type="file" data-entity-uuid="8674b1e8-b762-48f5-a649-f251a0eb6ad7" height="40" src="/sites/default/files/inline-images/lburdych/LinkedIn.png" width="40" loading="lazy"> </a> <a href="http://www.youtube.com/user/cerntv"> <img alt="Youtube icon" data-entity-type="file" data-entity-uuid="d429f87c-f790-4309-b0be-970374a526f9" height="40" src="/sites/default/files/inline-images/lburdych/Youtube.png" width="40" loading="lazy"></a></p> <p> </p> <p><a href="https://linktr.ee/CERN_official" rel="noopener noreferrer" target="_blank">More Social Media Accounts</a></p> </div> </div> </section> </div> </div> <div class="col-xs-12 col-sm-8 col-md-8 col-lg-8 footer-second-col"> <div class="row">  <div class="col-sm-5 col-md-4 col-md-offset-0 col-lg-4 col-lg-offset-0"> <div class="region region-footercolumn2"> <nav role="navigation" aria-labelledby="block-findusmenu-menu" id="block-findusmenu"> <h2 id="block-findusmenu-menu">Find us</h2> <ul class="menu menu--find-us-menu nav"> <li class="first"> <a href="/contact" data-drupal-link-system-path="node/150">Contact us</a> </li> <li class="last"> <a href="/directions" data-drupal-link-system-path="node/153">Getting here</a> </li> </ul> </nav> <section id="block-contactus" class="block block-block-content block-block-content17426485-662a-41e2-b3c6-3e42f882ec6f clearfix"> <div class="block-custom-wrapper block-content block-content--type-basic block-content--view-mode-full ds-1col clearfix"> <div class="field field--name-body field--type-text-with-summary field--label-hidden field--item"><p> </p> <ul> <li>CERN</li> <li>Esplanade des Particules 1</li> <li>P.O. Box</li> <li>1211 Geneva 23</li> <li>Switzerland</li> </ul> </div> </div> </section> </div> </div>  <div class="col-sm-6 col-sm-offset-1 col-md-4 col-md-offset-0 col-lg-4"> <div class=" mb-4"> <div class="region region-footercolumn3"> <nav role="navigation" aria-labelledby="block-connectwithusfooter-menu" id="block-connectwithusfooter"> <h2 id="block-connectwithusfooter-menu">CERN & You</h2> <ul class="menu menu--connect-with-us-footer nav"> <li class="first"> <a href="http://cern.ch/procurement">Doing business with CERN</a> </li> <li> <a href="https://cern.ch/knowledgetransfer">Knowledge transfer</a> </li> <li> <a href="https://voisins.web.cern.ch/en">CERN's neighbours</a> </li> <li> <a href="https://cernandsocietyfoundation.cern">CERN & Society Foundation</a> </li> <li> <a href="/partnerships" data-drupal-link-system-path="node/160">Partnerships</a> </li> <li class="last"> <a href="https://alumni.cern">Alumni</a> </li> </ul> </nav> </div> </div> </div>  <div class="col-sm-6 col-sm-offset-6 col-md-4 col-md-offset-0 col-lg-4 col-lg-offset-0"> <div class=" mb-4"> <div class="region region-footercolumn4"> <nav role="navigation" aria-labelledby="block-generalinfofooter-menu" id="block-generalinfofooter"> <h2 id="block-generalinfofooter-menu">General Information</h2> <ul class="menu menu--general-info-footer nav"> <li class="first"> <a href="https://careers.cern">Careers</a> </li> <li> <a href="https://visit.cern/">Visits</a> </li> <li> <a href="/data-privacy-protection-policy" data-drupal-link-system-path="node/166">Privacy policy</a> </li> <li class="last"> <a href="/cookies" data-drupal-link-system-path="node/165">Cookie Management</a> </li> </ul> </nav> </div> </div> </div> </div> </div> </div> <div class="copy-wrapper"> <a href="https://copyright.web.cern.ch/"> Copyright </a>  © 2024 CERN</div> </footer> </div> <script type="application/json" data-drupal-selector="drupal-settings-json">{"path":{"baseUrl":"\/","pathPrefix":"","currentPath":"","currentPathIsAdmin":false,"isFront":false,"currentLanguage":"en"},"pluralDelimiter":"\u0003","suppressDeprecationErrors":true,"ajaxPageState":{"libraries":"eJxdjltywzAIRTekiCV5kMXY6iDDCJTEu28UpW3SH-DcyyuJuHlDBRWVK7WQfhUXYS8aVmrHwoK5HBsMeNXTGF0JG7zD00loBBtLQr6Yn_wzoT1xWf87FX3_wjsYeddBUgVmCooNt8dHu0FuXZHjnxL7XGg75WCnOVUYl0Mvi6L746BBpaPHSrngh6yNroVuy4otx3f46JpLl1xMGc848fLCMGYMnjFWyZ3pGwaphhw","theme":"cernpublic","theme_token":null},"ajaxTrustedUrl":{"\/search\/node":true},"mathjax":{"config_type":1,"config":{"tex2jax":{"inlineMath":[["$","$"],["\$","\$"]],"processEscapes":"true"},"showProcessingMessages":"false","messageStyle":"none"}},"matomo":{"disableCookies":false,"trackMailto":true},"bootstrap":{"forms_has_error_value_toggle":1,"modal_animation":1,"modal_backdrop":"true","modal_focus_input":1,"modal_keyboard":1,"modal_select_text":1,"modal_show":1,"modal_size":"","popover_enabled":1,"popover_animation":1,"popover_auto_close":1,"popover_container":"body","popover_content":"","popover_delay":"0","popover_html":0,"popover_placement":"right","popover_selector":"","popover_title":"","popover_trigger":"click","tooltip_enabled":1,"tooltip_animation":1,"tooltip_container":"body","tooltip_delay":"0","tooltip_html":0,"tooltip_placement":"auto left","tooltip_selector":"","tooltip_trigger":"hover"},"user":{"uid":0,"permissionsHash":"30effdd7d92fd58752f7293da4916e148a53b5e7b0426e8ff61fff31efabda2e"}}</script> <script src="/core/assets/vendor/jquery/jquery.min.js?v=3.7.1"></script> <script src="/core/assets/vendor/underscore/underscore-min.js?v=1.13.6"></script> <script src="/core/assets/vendor/once/once.min.js?v=1.0.1"></script> <script src="/sites/default/files/languages/en_p5SjUX5jHQqdSjFPWYikWHznV7uBLdbvuWpmhxPwWHg.js?smqvgl"></script> <script src="/core/misc/drupalSettingsLoader.js?v=10.2.8"></script> <script src="/core/misc/drupal.js?v=10.2.8"></script> <script src="/core/misc/drupal.init.js?v=10.2.8"></script> <script src="/core/assets/vendor/tabbable/index.umd.min.js?v=6.2.0"></script> <script src="/modules/custom/cern-loading/js/cern_loading.js?smqvgl"></script> <script src="/sites/default/modules/mathjax/js/config.js?v=10.2.8"></script> <script src="/libraries/MathJax/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script> <script src="/sites/default/modules/mathjax/js/setup.js?v=10.2.8"></script> <script src="/modules/contrib/matomo/js/matomo.js?v=10.2.8"></script> <script src="/core/misc/progress.js?v=10.2.8"></script> <script src="/themes/contrib/bootstrap/js/misc/progress.js?smqvgl"></script> <script src="/core/assets/vendor/loadjs/loadjs.min.js?v=4.2.0"></script> <script src="/core/misc/debounce.js?v=10.2.8"></script> <script src="/core/misc/announce.js?v=10.2.8"></script> <script src="/core/misc/message.js?v=10.2.8"></script> <script src="/themes/contrib/bootstrap/js/misc/message.js?smqvgl"></script> <script src="/core/misc/ajax.js?v=10.2.8"></script> <script src="/themes/contrib/bootstrap/js/misc/ajax.js?smqvgl"></script> <script src="//framework.web.cern.ch/framework/3.0/js/prism/prism.js"></script> <script src="/sites/default/themes/custom/cernbase/js/cernbase.js?smqvgl"></script> <script src="/sites/default/themes/custom/cernbase/js/components/social-sharing.js?smqvgl"></script> <script src="/sites/default/themes/custom/cernbase/js/components/footer.js?smqvgl"></script> <script src="/sites/default/themes/custom/cernbase/js/views/agenda-views.js?smqvgl"></script> <script src="/sites/default/themes/custom/cernbase/js/views/faq-views.js?smqvgl"></script> <script src="/sites/default/themes/custom/cernbase/js/views/news-views.js?smqvgl"></script> <script src="/sites/default/themes/custom/cernbase/js/views/resources-views.js?smqvgl"></script> <script src="/sites/default/themes/custom/cernbase/js/views/stories-views.js?smqvgl"></script> <script src="/sites/default/themes/custom/cernbase/js/views/taxonomies-views.js?smqvgl"></script> <script src="/sites/default/themes/custom/cernbase/js/views/search-views.js?smqvgl"></script> <script src="/sites/default/themes/custom/cernbase/js/views/common-views.js?smqvgl"></script> <script src="/sites/default/themes/custom/cernbase/js/box-effects.js?smqvgl"></script> <script src="//framework.web.cern.ch/framework/3.0/js/colorbox/jquery.colorbox-min.js"></script> <script src="//framework.web.cern.ch/framework/3.0/js/scroll-magic/ScrollMagic.min.js"></script> <script src="//framework.web.cern.ch/framework/3.0/js/scroll-magic/text-effects.js"></script> <script src="//framework.web.cern.ch/framework/3.0/js/owlcarousel/js/owl.carousel.js"></script> <script src="//framework.web.cern.ch/framework/3.0/js/owlcarousel/js/owl.carousel2.thumbs.js"></script> <script src="/sites/default/themes/custom/cernpublic/js/views_carousel.js?smqvgl"></script> <script src="/sites/default/themes/custom/cernpublic/js/anchor-fix.js?smqvgl"></script> <script src="/sites/default/themes/custom/cernbase/sass/bootstrap/javascripts/bootstrap.min.js?smqvgl"></script> <script src="/themes/contrib/bootstrap/js/drupal.bootstrap.js?smqvgl"></script> <script src="/themes/contrib/bootstrap/js/attributes.js?smqvgl"></script> <script src="/themes/contrib/bootstrap/js/theme.js?smqvgl"></script> <script src="/themes/contrib/bootstrap/js/popover.js?smqvgl"></script> <script src="/themes/contrib/bootstrap/js/tooltip.js?smqvgl"></script> <script src="/modules/custom/cern-toolbar/assets/js/cern_toolbar.js?v=1.x"></script> <script src="/modules/custom/cern-components/patterns/molecules/menu/js/menu.component.js?smqvgl"></script> <script src="/modules/custom/cern-components/patterns/molecules/preview-card/js/component-preview-card.js?smqvgl"></script> </body> </html>

CINXE.COM

Page not found | CERN