MIT breakthrough could lead to paper-thin bullet-proof armor

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li.type = 'text/javascript'; li.async = true; li.src = 'https://web.archive.org/web/20121113123602/http://cdn.stumble-upon.com/js/widgets-follow.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(li, s); })(); </script> </div> <a class="vsmall" href="/web/20121113123602/http://www.gizmag.com/researchwatch/" style="float: left; ">RESEARCH WATCH</a> <h1 id="ar_title">MIT breakthrough could lead to paper-thin bullet-proof armor </h1> <div class="summary_details_left"> <p>By <a href="/web/20121113123602/http://www.gizmag.com/author/jason-falconer/" rel="author">Jason Falconer</a></p> <p><em>November 12, 2012</em></p> </div> <div class="summary_details_right"> <div class="has_comments"><a href="mit-breakthrough-paper-thin-bullet-proof-armor#comments">2 Comments</a></div> <div class="has_pictures"><a href="/web/20121113123602/http://www.gizmag.com/mit-breakthrough-paper-thin-bullet-proof-armor/24971/pictures">2 Pictures</a></div> </div> </div> <div id="article_share_rail"> <div class="as_button"><div class="fb-like" data-href="http://www.gizmag.com/mit-breakthrough-paper-thin-bullet-proof-armor/24971/" data-send="false" data-layout="box_count" data-show-faces="false"></div><script type="text/javascript">_ga.trackFacebook();</script></div> <div class="as_button"><a href="https://web.archive.org/web/20121113123602/http://twitter.com/share" class="twitter-share-button" data-count="vertical" data-via="gizmag">Tweet</a></div> <div class="as_button"><div class="g-plusone" data-size="tall" data-href="http://www.gizmag.com/mit-breakthrough-paper-thin-bullet-proof-armor/24971/"></div></div> <div class="as_button"><iframe style="overflow: hidden; margin: 0px; padding: 0px; border: 0px; " src="https://web.archive.org/web/20121113123602if_/http://badge.stumbleupon.com/badge/embed/5/?url=http%3A%2F%2Fwww.gizmag.com%2Fmit-breakthrough-paper-thin-bullet-proof-armor%2F24971%2F" width="50" height="60" id="iframe-stmblpn-widget-1"></iframe></div> <div class="as_button"><div class="pin-it-button" data-url="https://web.archive.org/web/20121113123602oe_/http://www.gizmag.com/mit-breakthrough-paper-thin-bullet-proof-armor/24971/" data-image="http://images.gizmag.com/hero/mit-rice-nanomaterials.jpg" data-description="A new stress-test developed at MIT could accelerate the development of protective nanomaterials."></div></div> <div class="as_button"><script type="IN/Share" data-counter="top"></script></div> <div class="as_button" id="reddit_button_rail"><script type="text/javascript">reddit_newwindow='1'</script></div> </div> <div id="hero_box" style="width: 530px;"> <a id="hero_link" href="/web/20121113123602/http://www.gizmag.com/mit-breakthrough-paper-thin-bullet-proof-armor/24971/pictures"> <img src="https://web.archive.org/web/20121113123602im_/http://images.gizmag.com/hero/mit-rice-nanomaterials.jpg" title="Edwin Thomas, left, and Jae-Hwang Lee holding a polymer material containing three bullets ..." width="530" height="297" alt="Edwin Thomas, left, and Jae-Hwang Lee holding a polymer material containing three bullets ..."/></a> <div class="pic_caption"> <p>Edwin Thomas, left, and Jae-Hwang Lee holding a polymer material containing three bullets (Photo: Tommy LaVergne, Rice University)</p> <a href="/web/20121113123602/http://www.gizmag.com/mit-breakthrough-paper-thin-bullet-proof-armor/24971/pictures" id="gallery_link">Image Gallery</a> (2 images) </div> <div class="clear_both"></div> </div> <div class="article_body"> <div id="top_unit"></div> <script type="text/javascript"> </script> <script type="text/javascript" src="https://web.archive.org/web/20121113123602js_/http://pagead2.googlesyndication.com/pagead/show_ads.js"></script> <p>Scientists have theorized that paper-thin composite nanomaterials could stop bullets just as effectively as heavy weight body armor, but progress has been hampered by their inability to reliably test such materials against projectile impacts. Researchers at MIT and Rice University have developed a breakthrough stress-test that fires microscopic glass beads at impact-absorbing material. Although the projectiles are much smaller than a bullet, the experimental results could be scaled up to predict how the material would stand up to larger impacts.</p> <p>The glass beads, described as "millionths of a meter in diameter," are propelled using a laser pulse technique developed by MIT's Keith Nelson over several years. His technique was modified with the help of scientists from Rice University in experiments conducted at MIT's Institute for Soldier Nanotechnologies. Their work, reported in the journal <a href="https://web.archive.org/web/20121113123602/http://www.nature.com/ncomms/journal/v3/n10/full/ncomms2166.html" target="_blank"><em>Nature Communications</em></a>, was supported by the U.S. Army Research Office, which is keen to reduce the burden on soldiers who currently wear armor that contains cumbersome plating an inch thick.</p> <div style="width: 530px; height: 422px; margin-bottom: 1px;" class="article_img"><a href="/web/20121113123602/http://www.gizmag.com/mit-breakthrough-paper-thin-bullet-proof-armor/24971/pictures#1" target="_blank"><img src="https://web.archive.org/web/20121113123602im_/http://images.gizmag.com/inline/mit-rice-nanomaterials-0.jpg" width="530" alt="An electron-microscope image shows a cross-section of a layered polymer and the crater lef..."/></a></div><div class="inline_caption" style="width: 530px; padding: 0;"><p>An electron-microscope image shows a cross-section of a layered polymer and the crater left by a glass bead in an edge-on impact (Photo: Thomas Lab, Rice University)</p></div><div class="clear_both"></div> <p>The team's self-assembling polymer is made by alternating flexible and rigid material layers just a nanometer thick, which can be seen clearly in cross-section with an electron microscope. This allows them to see precisely how the material has deformed after an impact. By studying multiple impacts, the team found that their material was 30 percent more resilient to head-on (rather than edge-on) collisions, a discovery which could change how current protective materials are made.</p> <p>"It’s a novel and useful approach that will provide needed understanding of the mechanisms governing how a projectile penetrates protective vests and helmets," said Donald Shockey, director of the Center for Fracture Physics at SRI International (unaffiliated with the project), as quoted by David Chandler of the MIT News Office.</p> <p>The researchers still need to develop a way to record these impacts in real time in order to best understand them, but their tests could accelerate the development of paper-thin military body armor or shielding for satellites, space suits, and shuttles, and more.</p> <p>Source: <a href="https://web.archive.org/web/20121113123602/http://web.mit.edu/newsoffice/2012/bullet-stopping-nanostructured-material-1107.html" target="_blank">MIT News Office</a></p>  <br/> <span class="title clear_left">Also popular on StumbleUpon</span> <div class="dotsontop"> <div id="su_recommended"></div> <div class="clear_both"></div> </div> <script type="text/javascript" src="/web/20121113123602js_/http://www.gizmag.com/inc/stumbleupon.js"></script> <div id="bottom_unit"> <script type="text/javascript"> </script> <script type="text/javascript" src="https://web.archive.org/web/20121113123602js_/http://pagead2.googlesyndication.com/pagead/show_ads.js"></script> </div> </div>   <span class="title share_bar">Share</span> <div id="article_share_bar" class="dotsontop share_bar"> <div class="as_button fb_as_button"><div class="fb-like" data-href="http://www.gizmag.com/mit-breakthrough-paper-thin-bullet-proof-armor/24971/" data-send="false" data-layout="box_count" data-show-faces="false"></div><script type="text/javascript">_ga.trackFacebook();</script></div> <div class="as_button"><a href="https://web.archive.org/web/20121113123602/http://twitter.com/share" class="twitter-share-button" data-count="vertical" data-via="gizmag">Tweet</a></div> <div class="as_button"><div class="g-plusone" data-size="tall" data-href="http://www.gizmag.com/mit-breakthrough-paper-thin-bullet-proof-armor/24971/"></div></div> <div class="as_button"><iframe style="overflow: hidden; margin: 0px; padding: 0px; border: 0px; " src="https://web.archive.org/web/20121113123602if_/http://badge.stumbleupon.com/badge/embed/5/?url=http%3A%2F%2Fwww.gizmag.com%2Fmit-breakthrough-paper-thin-bullet-proof-armor%2F24971%2F" width="50" height="60" id="iframe-stmblpn-widget-2"></iframe></div> <div class="as_button"><div class="pin-it-button" data-url="https://web.archive.org/web/20121113123602oe_/http://www.gizmag.com/mit-breakthrough-paper-thin-bullet-proof-armor/24971/" data-image="http://images.gizmag.com/hero/mit-rice-nanomaterials.jpg" data-description="A new stress-test developed at MIT could accelerate the development of protective nanomaterials."></div></div> <div class="as_button"><script type="IN/Share" data-counter="top"></script></div> <div class="as_button" id="reddit_button_bar"><script type="text/javascript">reddit_newwindow='1'</script></div> </div>  <span class="title clear_left">About the Author</span> <div class="dotsontop" id="authorcontainer">  <a href="/web/20121113123602/http://www.gizmag.com/author/jason-falconer/"> <img src="https://web.archive.org/web/20121113123602im_/http://images.gizmag.com/author_profiles/180.jpg" alt="Jason Falconer" id="bio_pic"/> </a>   Jason is a freelance writer based in central Canada with a background in computer graphics. He has written about hundreds of humanoid robots on his website Plastic Pals and is an avid gamer with an unsightly collection of retro consoles, cartridges, and controllers.   <a href="/web/20121113123602/http://www.gizmag.com/author/jason-falconer/">All articles by Jason Falconer</a> <br class="clear_both"> </div>  <div id="tags"> <span class="title">Tags</span> <div class="dotsontop"> <ul> <li>» <a href="/web/20121113123602/http://www.gizmag.com/tag/armor/" rel="tag">Armor</a></li> <li>» <a href="/web/20121113123602/http://www.gizmag.com/tag/mit/" rel="tag">MIT</a></li> <li>» <a href="/web/20121113123602/http://www.gizmag.com/tag/nanomaterials/" rel="tag">Nanomaterials</a></li> <li>» <a href="/web/20121113123602/http://www.gizmag.com/tag/rice-university/" rel="tag">Rice University</a></li> </ul> <div class="clear_both"></div> </div> </div> <div id="bing_unit"></div>  <span class="title" id="comments">2 Comments</span> <div class="dotsontop"> <div id="comment-176020" class="a_comment"> <p>Good stuff! </p> <p>I wouldn't mind betting that when paper-thin body-armour comes along, it will probably use carbon nanotubes (which are much stronger and lighter than even steel.) I'm sure that they will eventually outdo ceramic armour too. </p> <span class="name">mooseman</span><br> <span class="date"> 12th November, 2012 @ 09:51 pm PST</span> </div> <div id="comment-176044" class="a_comment"> <p>The problem with thin is that even if the bullet doesn't go through, the bullet will still do tremendous damage as a blunt impact causing external and internal bruising, therefore this has to be accompanied by other thicker layers which can be of light material, but by itself it is still dangerous. </p> <span class="name">Dawar Saify</span><br> <span class="date"> 13th November, 2012 @ 02:09 am PST</span> </div> </div> <span class="title">Post a Comment</span> <div class="dotsontop" id="comment_form_div"> <div id="comment_form" data-article="24971"> <div id="comments_login"> <form action="/web/20121113123602/http://www.gizmag.com/index.php" name="login_form" id="login_form" onsubmit="return false;"> <p class="bold">Login with your gizmag account:</p> <p 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