Ideas | Institute for Advanced Study

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paragraphs-item-grid-item" about="" typeof=""> <div class="content"> <article id="node-59176" class="node node-idea node-even idea idea-grid-2-col-featured col-half grid-double-col-featured basic-teaser h-effect m-grid-item"> <a href="/web/20160521161702/https://www.ias.edu/ideas" class="icon-wrap"><span class="icon-label">Ideas</span></a> <div class="affiliation"> <p><a href="/web/20160521161702/https://www.ias.edu/ideas?aff=1">Historical Studies</a></p> </div> <span property="dc:title" content="Matisse in the Barnes Foundation" class="rdf-meta element-hidden"></span> <div class="content"> <div class="feature-thumbnail"> <a href="/web/20160521161702/https://www.ias.edu/ideas/2016/bois-matisse-barnes"><img typeof="foaf:Image" class="b-lazy" src="https://web.archive.org/web/20160521161702im_/https://www.ias.edu/sites/all/themes/ias/images/loaders/placeholder.gif" data-src="https://web.archive.org/web/20160521161702/https://www.ias.edu/sites/default/files/styles/grid_feature_teaser/public/images/featured-thumbnails/ideas/matisse_sketching.png?itok=8-rF9Q72" width="575" height="405"/><noscript><img typeof="foaf:Image" src="https://web.archive.org/web/20160521161702im_/https://www.ias.edu/sites/default/files/styles/grid_feature_teaser/public/images/featured-thumbnails/ideas/matisse_sketching.png?itok=8-rF9Q72" width="575" height="405"/></noscript> </a> </div> <h1><a href="/web/20160521161702/https://www.ias.edu/ideas/2016/bois-matisse-barnes"> Matisse in the Barnes Foundation </a></h1> <div class="byline-dateline"> <span class="byline"> By <a href="/web/20160521161702/https://www.ias.edu/scholars/bois">Yve-Alain Bois</a> </span> </div> <div class="teaser cb-editor"> <div> What Matisse had in mind is akin to what Henri Bergson, the only philosopher he is known to have read with some constancy, called the “memory of the body,” and to what Marcel Proust (of whom he was also fond) called the “involuntary memory of limbs.” </div> </div> </div>  </article>  <article id="node-59136" class="node node-idea node-odd idea idea-grid-2-col col-half grid-double-col basic-teaser h-effect m-grid-item"> <a href="/web/20160521161702/https://www.ias.edu/ideas" class="icon-wrap"><span class="icon-label">Ideas</span></a> <div class="affiliation"> <p><a href="/web/20160521161702/https://www.ias.edu/ideas?aff=1">Historical Studies</a></p> </div> <span property="dc:title" content="Insect Artifice: Art and Science in the Early Modern Netherlands" class="rdf-meta element-hidden"></span> <div class="content"> <div class="feature-thumbnail small"> <a href="/web/20160521161702/https://www.ias.edu/ideas/2016/bass-insect-artifice"><img typeof="foaf:Image" class="b-lazy" src="https://web.archive.org/web/20160521161702im_/https://www.ias.edu/sites/all/themes/ias/images/loaders/placeholder.gif" data-src="https://web.archive.org/web/20160521161702/https://www.ias.edu/sites/default/files/styles/grid_teaser/public/images/featured-thumbnails/ideas/Bass---IAS-Bulletin---image-1.png?itok=UIfnsoHn" width="355" height="264"/><noscript><img typeof="foaf:Image" src="https://web.archive.org/web/20160521161702im_/https://www.ias.edu/sites/default/files/styles/grid_teaser/public/images/featured-thumbnails/ideas/Bass---IAS-Bulletin---image-1.png?itok=UIfnsoHn" width="355" height="264"/></noscript> </a> </div> <div class="title-wrapper"> <h1><a href="/web/20160521161702/https://www.ias.edu/ideas/2016/bass-insect-artifice"> <div class="field-display-title"> Art and Science in the Early Modern Netherlands </div> </a></h1> <div class="byline-dateline"> <span class="byline"> By <a href="/web/20160521161702/https://www.ias.edu/scholars/marisa-bass">Marisa Bass</a> </span> </div> </div> <div class="teaser cb-editor"> <div> What motivated Dutch polymath Joris Hoefnagel (1542–1600), in the midst of the Dutch Revolt, to produce an illustrated volume of insects? </div> </div> </div>  </article>  <article id="node-20612" class="node node-idea node-even idea idea-grid-2-col col-half grid-double-col basic-teaser h-effect m-grid-item"> <a href="/web/20160521161702/https://www.ias.edu/ideas" class="icon-wrap"><span class="icon-label">Ideas</span></a> <div class="affiliation"> <p><a href="/web/20160521161702/https://www.ias.edu/ideas?aff=4">Social Science</a></p> </div> <span property="dc:title" content="Conspiring with the Enemy and Cooperating in Warfare" class="rdf-meta element-hidden"></span> <div class="content"> <div class="feature-thumbnail small"> <a href="/web/20160521161702/https://www.ias.edu/ideas/2014/chiu-war"><img typeof="foaf:Image" class="b-lazy" src="https://web.archive.org/web/20160521161702im_/https://www.ias.edu/sites/all/themes/ias/images/loaders/placeholder.gif" data-src="https://web.archive.org/web/20160521161702/https://www.ias.edu/sites/default/files/styles/grid_teaser/public/ideas/SMoking_20140630-WWILENS-slide-FJRH-jumbo.png?itok=IS_ZSiLY" width="355" height="275"/><noscript><img typeof="foaf:Image" src="https://web.archive.org/web/20160521161702im_/https://www.ias.edu/sites/default/files/styles/grid_teaser/public/ideas/SMoking_20140630-WWILENS-slide-FJRH-jumbo.png?itok=IS_ZSiLY" width="355" height="275"/></noscript> </a> </div> <div class="title-wrapper"> <h1><a href="/web/20160521161702/https://www.ias.edu/ideas/2014/chiu-war"> Conspiring with the Enemy and Cooperating in Warfare </a></h1> <div class="byline-dateline"> <span class="byline"> By <a href="/web/20160521161702/https://www.ias.edu/scholars/yvonne-chiu">Yvonne Chiu</a> </span> </div> </div> <div class="teaser cb-editor"> <div> Mingling in No Man’s Land, exchanging gifts, food, and souvenirs, and even playing football games </div> </div> </div>  </article>  <article id="node-20573" class="node node-idea node-odd idea idea-grid-2-col col-half grid-double-col basic-teaser h-effect m-grid-item"> <a href="/web/20160521161702/https://www.ias.edu/ideas" class="icon-wrap"><span class="icon-label">Ideas</span></a> <div class="affiliation"> <p><a href="/web/20160521161702/https://www.ias.edu/ideas?aff=4">Social Science</a></p> </div> <span property="dc:title" content="From a War on Terrorism to Global Security Law" class="rdf-meta element-hidden"></span> <div class="content"> <div class="feature-thumbnail small"> <a href="/web/20160521161702/https://www.ias.edu/ideas/2013/scheppele-terrorism"><img typeof="foaf:Image" class="b-lazy" src="https://web.archive.org/web/20160521161702im_/https://www.ias.edu/sites/all/themes/ias/images/loaders/placeholder.gif" data-src="https://web.archive.org/web/20160521161702/https://www.ias.edu/sites/default/files/styles/grid_teaser/public/images/featured-thumbnails/ideas/SHS_LunchSeminar_BonnieEffros_022014_DKomoda-0258.jpg?itok=1Qhavw0U" width="355" height="237"/><noscript><img typeof="foaf:Image" src="https://web.archive.org/web/20160521161702im_/https://www.ias.edu/sites/default/files/styles/grid_teaser/public/images/featured-thumbnails/ideas/SHS_LunchSeminar_BonnieEffros_022014_DKomoda-0258.jpg?itok=1Qhavw0U" width="355" height="237"/></noscript> </a> </div> <div class="title-wrapper"> <h1><a href="/web/20160521161702/https://www.ias.edu/ideas/2013/scheppele-terrorism"> From a War on Terrorism to Global Security Law </a></h1> <div class="byline-dateline"> <span class="byline"> By <a href="/web/20160521161702/https://www.ias.edu/scholars/kim-lane-scheppele">Kim Lane Scheppele</a> </span> </div> </div> <div class="teaser cb-editor"> <div> More than a decade after 9/11, global security law is still setting the framework for some of the most worrisome legislation around the world. </div> </div> </div>  </article>  <article id="node-59076" class="node node-idea node-even idea idea-grid-2-col col-half grid-double-col basic-teaser h-effect m-grid-item"> <a href="/web/20160521161702/https://www.ias.edu/ideas" class="icon-wrap"><span class="icon-label">Ideas</span></a> <div class="affiliation"> <p><a href="/web/20160521161702/https://www.ias.edu/ideas?aff=3">Natural Sciences</a></p> </div> <span property="dc:title" content="Unfashionable Pursuits, Leaps in the Dark, and Detecting Gravitational Waves" class="rdf-meta element-hidden"></span> <div class="content"> <div class="feature-thumbnail small"> <a href="/web/20160521161702/https://www.ias.edu/ideas/2016/dyson-gravitational-waves"><img typeof="foaf:Image" class="b-lazy" src="https://web.archive.org/web/20160521161702im_/https://www.ias.edu/sites/all/themes/ias/images/loaders/placeholder.gif" data-src="https://web.archive.org/web/20160521161702/https://www.ias.edu/sites/default/files/styles/grid_teaser/public/images/featured-thumbnails/ideas/dysonweber.png?itok=_pMKFSE8" width="355" height="296"/><noscript><img typeof="foaf:Image" src="https://web.archive.org/web/20160521161702im_/https://www.ias.edu/sites/default/files/styles/grid_teaser/public/images/featured-thumbnails/ideas/dysonweber.png?itok=_pMKFSE8" width="355" height="296"/></noscript> </a> </div> <div class="title-wrapper"> <h1><a href="/web/20160521161702/https://www.ias.edu/ideas/2016/dyson-gravitational-waves"> Unfashionable Pursuits, Leaps in the Dark, and Detecting Gravitational Waves </a></h1> <div class="byline-dateline"> <span class="byline"> By <a href="/web/20160521161702/https://www.ias.edu/scholars/dyson">Freeman J. Dyson</a> </span> </div> </div> <div class="teaser cb-editor"> <div> The Institute sometimes spends money on risky ventures, giving sustained support to people who work on unfashionable and dubious projects. One example was Einstein, who worked here for twenty years on unified field theories that never fulfilled his hopes. Another was Joseph Weber, who worked on the design of gravitational-wave detectors that failed even more disastrously to fulfill his hopes. </div> </div> </div>  </article>  <article id="node-57371" class="node node-idea node-promoted node-odd idea idea-grid-1-col idea-video col-quarter grid-single-col basic-teaser h-effect m-grid-item"> <a href="/web/20160521161702/https://www.ias.edu/about/videos" class="icon-wrap"><span class="icon-label">Video</span></a> <div class="affiliation"> <p><a href="/web/20160521161702/https://www.ias.edu/ideas?aff=3">Natural Sciences</a></p> </div> <span property="dc:title" content="A New Era of Gravitational-Wave Astronomy" class="rdf-meta element-hidden"></span> <div class="content"> <div class="feature-thumbnail"> <a href="/web/20160521161702/https://www.ias.edu/ideas/2016/gravitational-waves"><img typeof="foaf:Image" class="b-lazy" src="https://web.archive.org/web/20160521161702im_/https://www.ias.edu/sites/all/themes/ias/images/loaders/placeholder.gif" data-src="https://web.archive.org/web/20160521161702/https://www.ias.edu/sites/default/files/styles/grid_teaser/public/images/featured-thumbnails/ideas/Gravitational-Waves_LIGO_Waves-Chart.jpg?itok=-OapjtwT" width="355" height="239"/><noscript><img typeof="foaf:Image" src="https://web.archive.org/web/20160521161702im_/https://www.ias.edu/sites/default/files/styles/grid_teaser/public/images/featured-thumbnails/ideas/Gravitational-Waves_LIGO_Waves-Chart.jpg?itok=-OapjtwT" width="355" height="239"/></noscript> </a> </div> <h1> <a href="/web/20160521161702/https://www.ias.edu/ideas/2016/gravitational-waves"> <div class="field-display-title"> Gravitational-Wave Astronomy’s New Era </div> </a> </h1> <div class="teaser cb-editor"> <div> IAS Faculty and Members explore what LIGO’s recent detection of gravitational waves means for the field of astronomy. </div> </div> </div>  </article>  <article id="node-52985" class="node node-idea node-promoted node-even idea idea-grid-1-col col-quarter grid-single-col basic-teaser h-effect m-grid-item"> <a href="/web/20160521161702/https://www.ias.edu/ideas" class="icon-wrap"><span class="icon-label">Ideas</span></a> <div class="affiliation"> <p><a href="/web/20160521161702/https://www.ias.edu/ideas?aff=3">Natural Sciences</a></p> </div> <span property="dc:title" content="Dating the Earth, the Sun, and the Stars" class="rdf-meta element-hidden"></span> <div class="content"> <div class="feature-thumbnail"> <a href="/web/20160521161702/https://www.ias.edu/ideas/2015/brandt-dating-the-earth"><img typeof="foaf:Image" class="b-lazy" src="https://web.archive.org/web/20160521161702im_/https://www.ias.edu/sites/all/themes/ias/images/loaders/placeholder.gif" data-src="https://web.archive.org/web/20160521161702/https://www.ias.edu/sites/default/files/styles/grid_teaser/public/images/featured-thumbnails/ideas/SNS_Brandt%201%20Kepler%20NGC%206811%20Star%20Cluster.jpg?itok=eNNBBHUf" width="355" height="239" title="NGC 6811"/><noscript><img typeof="foaf:Image" src="https://web.archive.org/web/20160521161702im_/https://www.ias.edu/sites/default/files/styles/grid_teaser/public/images/featured-thumbnails/ideas/SNS_Brandt%201%20Kepler%20NGC%206811%20Star%20Cluster.jpg?itok=eNNBBHUf" width="355" height="239" title="NGC 6811"/></noscript> </a> </div> <h1> <a href="/web/20160521161702/https://www.ias.edu/ideas/2015/brandt-dating-the-earth"> Dating the Earth, the Sun, and the Stars </a> </h1> <div class="byline-dateline"> <span class="byline"> By <a href="/web/20160521161702/https://www.ias.edu/scholars/timothy-david-brandt">Timothy David Brandt</a> </span> </div> <div class="teaser cb-editor"> <div> “How big” is almost always an easier question to answer than “how old.” </div> </div> </div>  </article>  <article id="node-20652" class="node node-idea node-odd idea idea-grid-2-col col-half grid-double-col basic-teaser h-effect m-grid-item"> <a href="/web/20160521161702/https://www.ias.edu/ideas" class="icon-wrap"><span class="icon-label">Ideas</span></a> <div class="affiliation"> <p><a href="/web/20160521161702/https://www.ias.edu/ideas?aff=2">Mathematics</a></p> </div> <span property="dc:title" content="Robert Langlands: Far-Reaching Mathematics" class="rdf-meta element-hidden"></span> <div class="content"> <div class="feature-thumbnail small"> <a href="/web/20160521161702/https://www.ias.edu/ideas/2007/langlands-mathematics"><img typeof="foaf:Image" class="b-lazy" src="https://web.archive.org/web/20160521161702im_/https://www.ias.edu/sites/all/themes/ias/images/loaders/placeholder.gif" data-src="https://web.archive.org/web/20160521161702/https://www.ias.edu/sites/default/files/styles/grid_teaser/public/images/featured-thumbnails/ideas/Screen-Shot-2016-02-25-at-12.55.32-PM.png?itok=hJyZ98uj" width="355" height="276"/><noscript><img typeof="foaf:Image" src="https://web.archive.org/web/20160521161702im_/https://www.ias.edu/sites/default/files/styles/grid_teaser/public/images/featured-thumbnails/ideas/Screen-Shot-2016-02-25-at-12.55.32-PM.png?itok=hJyZ98uj" width="355" height="276"/></noscript> </a> </div> <div class="title-wrapper"> <h1><a href="/web/20160521161702/https://www.ias.edu/ideas/2007/langlands-mathematics"> Robert Langlands: Far-Reaching Mathematics </a></h1> <div class="byline-dateline"> <span class="byline"> By Kelly Devine Thomas </span> </div> </div> <div class="teaser cb-editor"> <div> Robert Langlands grew up in a small town in British Columbia where his father owned a building supply store. “When I was a child I liked to add and subtract,” says Langlands. “In our store, my mother worked. And I remember competing with her. We would tally lumber; she would do it on the adding machine and I would do it in my head.” </div> </div> </div>  </article>  <article id="node-21273" class="node node-idea node-even idea idea-grid-2-col col-half grid-double-col basic-teaser h-effect m-grid-item"> <a href="/web/20160521161702/https://www.ias.edu/ideas" class="icon-wrap"><span class="icon-label">Ideas</span></a> <div class="affiliation"> <p><a href="/web/20160521161702/https://www.ias.edu/ideas?aff=3">Natural Sciences</a></p> </div> <span property="dc:title" content="Geometric Langlands, Khovanov Homology, String Theory" class="rdf-meta element-hidden"></span> <div class="content"> <div class="feature-thumbnail small"> <a href="/web/20160521161702/https://www.ias.edu/ideas/2015/witten-interview"><img typeof="foaf:Image" class="b-lazy" src="https://web.archive.org/web/20160521161702im_/https://www.ias.edu/sites/all/themes/ias/images/loaders/placeholder.gif" data-src="https://web.archive.org/web/20160521161702/https://www.ias.edu/sites/default/files/styles/grid_teaser/public/images/featured-thumbnails/ideas/PiTP_EdwardWitten_07292013_DK_015.jpg?itok=Yyprk-pP" width="355" height="237"/><noscript><img typeof="foaf:Image" src="https://web.archive.org/web/20160521161702im_/https://www.ias.edu/sites/default/files/styles/grid_teaser/public/images/featured-thumbnails/ideas/PiTP_EdwardWitten_07292013_DK_015.jpg?itok=Yyprk-pP" width="355" height="237"/></noscript> </a> </div> <div class="title-wrapper"> <h1><a href="/web/20160521161702/https://www.ias.edu/ideas/2015/witten-interview"> Geometric Langlands, Khovanov Homology, String Theory </a></h1> </div> <div class="teaser cb-editor"> <div> It was very hard to write a paper about it. It took about a year. For that year, I felt like someone who had discovered the meaning of life and couldn’t explain it to anybody else. </div> </div> </div>  </article>  <article id="node-20569" class="node node-idea node-odd idea idea-grid-2-col col-half grid-double-col basic-teaser h-effect m-grid-item"> <a href="/web/20160521161702/https://www.ias.edu/ideas" class="icon-wrap"><span class="icon-label">Ideas</span></a> <div class="affiliation"> <p></p> </div> <span property="dc:title" content="Modern Mathematics and the Langlands Program" class="rdf-meta element-hidden"></span> <div class="content"> <div class="feature-thumbnail small"> <a href="/web/20160521161702/https://www.ias.edu/ideas/modern-mathematics-and-langlands-program"><img typeof="foaf:Image" class="b-lazy" src="https://web.archive.org/web/20160521161702im_/https://www.ias.edu/sites/all/themes/ias/images/loaders/placeholder.gif" data-src="https://web.archive.org/web/20160521161702/https://www.ias.edu/sites/default/files/styles/grid_teaser/public/images/featured-thumbnails/ideas/HW-SM1.jpg?itok=IYD3QIzc" width="355" height="443"/><noscript><img typeof="foaf:Image" src="https://web.archive.org/web/20160521161702im_/https://www.ias.edu/sites/default/files/styles/grid_teaser/public/images/featured-thumbnails/ideas/HW-SM1.jpg?itok=IYD3QIzc" width="355" height="443"/></noscript> </a> </div> <div class="title-wrapper"> <h1><a href="/web/20160521161702/https://www.ias.edu/ideas/modern-mathematics-and-langlands-program"> Modern Mathematics and the Langlands Program </a></h1> <div class="byline-dateline"> <span class="byline"> By Kelly Devine Thomas </span> </div> </div> <div class="teaser cb-editor"> <div> When Robert Langlands wrote a letter to André Weil in 1967, proposing unifying conjectures between number theory and representation theory, he identified problems central to mathematics in the future. </div> </div> </div>  </article>  <article id="node-20539" class="node node-idea node-even idea idea-grid-2-col col-half grid-double-col basic-teaser h-effect m-grid-item"> <a href="/web/20160521161702/https://www.ias.edu/ideas" class="icon-wrap"><span class="icon-label">Ideas</span></a> <div class="affiliation"> <p><a href="/web/20160521161702/https://www.ias.edu/ideas?aff=3">Natural Sciences</a></p> </div> <span property="dc:title" content="Knots and Quantum Theory" class="rdf-meta element-hidden"></span> <div class="content"> <div class="feature-thumbnail small"> <a href="/web/20160521161702/https://www.ias.edu/ideas/2011/witten-knots-quantum-theory"><img typeof="foaf:Image" class="b-lazy" src="https://web.archive.org/web/20160521161702im_/https://www.ias.edu/sites/all/themes/ias/images/loaders/placeholder.gif" data-src="https://web.archive.org/web/20160521161702/https://www.ias.edu/sites/default/files/styles/grid_teaser/public/images/featured-thumbnails/ideas/Witten_Figures_3.jpg?itok=21UUsa_a" width="355" height="331"/><noscript><img typeof="foaf:Image" src="https://web.archive.org/web/20160521161702im_/https://www.ias.edu/sites/default/files/styles/grid_teaser/public/images/featured-thumbnails/ideas/Witten_Figures_3.jpg?itok=21UUsa_a" width="355" height="331"/></noscript> </a> </div> <div class="title-wrapper"> <h1><a href="/web/20160521161702/https://www.ias.edu/ideas/2011/witten-knots-quantum-theory"> Knots and Quantum Theory </a></h1> <div class="byline-dateline"> <span class="byline"> By <a href="/web/20160521161702/https://www.ias.edu/scholars/witten">Edward Witten</a> </span> </div> </div> <div class="teaser cb-editor"> <div> A knot in the mathematical sense is a possibly tangled loop, freely floating in ordinary space. It can be quite hard to make sense of a tangled piece of string—to decide whether it can be untangled and if so how. It is equally hard to decide if two tangles are equivalent. </div> </div> </div>  </article>  <h3 class="field-label"> Show Calendar </h3> </div> </div> </div>  </article>  </div> </div> </div> </div> </section>  </div>  </div>   <footer id="footer"> <div class="footer-bottom cf"> <div class="l-container"> <div class="block-menu-menu-footer-menu block block-menu menu-footer cf block-odd first last"> <div class="block-inner"> <div class="block-content"> <div class="menu-wrapper lvl-1"><ul class="menu menu-lvl-1"><li class="first leaf odd"><a href="/web/20160521161702/https://www.ias.edu/campus/computing/privacy%C2%ADpolicy">Privacy Policy</a></li> <li class="leaf even"><a href="/web/20160521161702/https://www.ias.edu/campus-resources/working-at-ias/human-resources/job-postings">Careers</a></li> <li class="leaf odd"><a href="/web/20160521161702/https://www.ias.edu/press-center">Press Center</a></li> <li class="leaf even"><a 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