{"627335":{"#nid":"627335","#data":{"type":"event","title":"SMI Distinguished Lecture - Sidney Nagel","body":[{"value":"\u003Cp\u003E\u003Cstrong\u003EABSTRACT\u003C\/strong\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003EIn a crystal with only one atom per unit cell, all atoms play the same\u0026nbsp;role in producing the solid\u0026#39;s global response to external\u0026nbsp;perturbations. \u0026nbsp;Disordered materials are not\u0026nbsp;similarly\u0026nbsp;constrained and a new principle\u0026nbsp;emerges: independence of bond-level response. \u0026nbsp;This\u0026nbsp;allows one to drive the system to different regimes of behavior by\u0026nbsp;successively removing\u0026nbsp;individual bonds. \u0026nbsp;We can thus\u0026nbsp;exploit disorder to achieve unique, varied, textured and tunable\u0026nbsp;global response or long-range interactions inspired by allosteric behavior\u0026nbsp;in\u0026nbsp;proteins. \u0026nbsp;While this approach is successful for systems with only\u0026nbsp;a few degrees of freedom, it is difficult to scale up the number of\u0026nbsp;elements to be controlled or scale down the\u0026nbsp;size of the individual\u0026nbsp;components. \u0026nbsp;However, because a material has a memory of under\u0026nbsp;what conditions it has been aged, we can direct the aging using\u0026nbsp;Nature\u0026rsquo;s greedy\u0026nbsp;algorithms to achieve a variety of mechanical\u0026nbsp;functionalities.\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003EABOUT THE SPEAKER\u003C\/strong\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003ESidney Nagel is the Stein-Freiler Distinguished Service Professor of Physics for the Department of Physics, James Franck Institute and Enrico Fermi Institute at the University of Chicago.\u0026nbsp; He obtained a BA degree from Columbia University, MA degree in Physics and a PhD degree in Physics from Princeton University.\u0026nbsp; His active research includes Fluid Singularities, Splashing Leidenfrost Drops, Jamming, Memories and Granular Materials.\u0026nbsp; He is an American Physical Society Fellow, American Association for the Advancement of Science Fellow, American Academy of Arts and Sciences Fellow and National Academy of Sciences Member.\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\r\n","summary":null,"format":"limited_html"}],"field_subtitle":"","field_summary":"","field_summary_sentence":[{"value":"Memory, directed aging and Nature\u2019s greed"}],"uid":"27546","created_gmt":"2019-10-08 16:38:02","changed_gmt":"2019-10-08 16:43:28","author":"Sharon Lawrence","boilerplate_text":"","field_publication":"","field_article_url":"","field_event_time":{"event_time_start":"2019-10-15T16:00:00-04:00","event_time_end":"2019-10-15T17:00:00-04:00","event_time_end_last":"2019-10-15T17:00:00-04:00","gmt_time_start":"2019-10-15 20:00:00","gmt_time_end":"2019-10-15 21:00:00","gmt_time_end_last":"2019-10-15 21:00:00","rrule":null,"timezone":"America\/New_York"},"extras":["free_food"],"hg_media":{"627336":{"id":"627336","type":"image","title":"Nagel","body":null,"created":"1570552874","gmt_created":"2019-10-08 16:41:14","changed":"1570552874","gmt_changed":"2019-10-08 16:41:14","alt":"","file":{"fid":"238850","name":"Nagel - Picture 2.png","image_path":"\/sites\/default\/files\/images\/Nagel%20-%20Picture%202.png","image_full_path":"http:\/\/hg.gatech.edu\/\/sites\/default\/files\/images\/Nagel%20-%20Picture%202.png","mime":"image\/png","size":111734,"path_740":"http:\/\/hg.gatech.edu\/sites\/default\/files\/styles\/740xx_scale\/public\/images\/Nagel%20-%20Picture%202.png?itok=7ehn3BKP"}}},"media_ids":["627336"],"groups":[],"categories":[],"keywords":[{"id":"172973","name":"STAMI"},{"id":"918","name":"COPE"},{"id":"107891","name":"gtpn"},{"id":"172971","name":"Soft Matter Incubator"}],"core_research_areas":[],"news_room_topics":[],"event_categories":[{"id":"1795","name":"Seminar\/Lecture\/Colloquium"}],"invited_audience":[{"id":"78761","name":"Faculty\/Staff"},{"id":"177814","name":"Postdoc"},{"id":"78771","name":"Public"}],"affiliations":[],"classification":[],"areas_of_expertise":[],"news_and_recent_appearances":[],"phone":[],"contact":[{"value":"\u003Cp\u003EProfessor Peter Yunker\u003C\/p\u003E\r\n\r\n\u003Cp\u003Epeter.yunker@gatech.edu\u003C\/p\u003E\r\n","format":"limited_html"}],"email":[],"slides":[],"orientation":[],"userdata":""}}}