{"671480":{"#nid":"671480","#data":{"type":"external_news","title":"A robophysical model of spacetime dynamics","body":[{"value":"\u003Cp\u003ESystems consisting of spheres rolling on elastic membranes have been used to introduce a core conceptual idea of general relativity: how curvature guides the movement of matter. However, such schemes cannot accurately represent relativistic dynamics in the laboratory because of the dominance of dissipation and external gravitational fields. A new study from \u003Ca href=\u0022https:\/\/www.physics.gatech.edu\u0022\u003ESchool of Physics\u003C\/a\u003E researchers demonstrates that an \u201cactive\u201d object (a wheeled robot), which moves in a straight line on level ground and can alter its speed depending on the curvature of the deformable terrain it moves on, can exactly capture dynamics in curved relativistic spacetimes. The researchers\u0027 mapping and framework facilitate creation of a robophysical analog to a general relativistic system in the laboratory at low cost that can provide insights into active matter in deformable environments and robot exploration in complex landscapes. Researchers includes \u003Ca href=\u0022https:\/\/www.linkedin.com\/in\/hussain-gynai\u0022\u003EHussain Gynai\u003C\/a\u003E and \u003Ca href=\u0022https:\/\/per.gatech.edu\/people\/tarr\/\u0022\u003ESteven Tarr\u003C\/a\u003E, graduate students;\u0026nbsp;\u003Ca href=\u0022https:\/\/physics.gatech.edu\/user\/emily-alicea-mu\u00f1oz\u0022\u003EEmily Alicea-Mu\u00f1oz\u003C\/a\u003E, academic professional; \u003Ca href=\u0022https:\/\/www.physics.gatech.edu\/user\/gongjie-li\u0022\u003EGongjie Li\u003C\/a\u003E, assistant professor; and \u003Ca href=\u0022https:\/\/physics.gatech.edu\/user\/daniel-goldman\u0022\u003EDaniel Goldman\u003C\/a\u003E, Dunn Family Professor.\u0026nbsp;\u003C\/p\u003E\r\n","summary":"","format":"limited_html"}],"field_subtitle":"","field_summary":[{"value":"\u003Cp\u003ESystems consisting of spheres rolling on elastic membranes have been used to introduce a core conceptual idea of general relativity: how curvature guides the movement of matter. However, such schemes cannot accurately represent relativistic dynamics in the laboratory because of the dominance of dissipation and external gravitational fields. A new study from \u003Ca href=\u0022https:\/\/www.physics.gatech.edu\u0022\u003ESchool of Physics\u003C\/a\u003E researchers demonstrates that an \u201cactive\u201d object (a wheeled robot), which moves in a straight line on level ground and can alter its speed depending on the curvature of the deformable terrain it moves on, can exactly capture dynamics in curved relativistic spacetimes. The researchers\u0027 mapping and framework facilitate creation of a robophysical analog to a general relativistic system in the laboratory at low cost that can provide insights into active matter in deformable environments and robot exploration in complex landscapes. Researchers includes \u003Ca href=\u0022https:\/\/www.linkedin.com\/in\/hussain-gynai\u0022\u003EHussain Gynai\u003C\/a\u003E and \u003Ca href=\u0022https:\/\/per.gatech.edu\/people\/tarr\/\u0022\u003ESteven Tarr\u003C\/a\u003E, graduate students;\u0026nbsp;\u003Ca href=\u0022https:\/\/physics.gatech.edu\/user\/emily-alicea-mu\u00f1oz\u0022\u003EEmily Alicea-Mu\u00f1oz\u003C\/a\u003E, academic professional; \u003Ca href=\u0022https:\/\/www.physics.gatech.edu\/user\/gongjie-li\u0022\u003EGongjie Li\u003C\/a\u003E, assistant professor; and \u003Ca href=\u0022https:\/\/physics.gatech.edu\/user\/daniel-goldman\u0022\u003EDaniel Goldman\u003C\/a\u003E, Dunn Family Professor.\u0026nbsp;\u003C\/p\u003E\r\n","format":"limited_html"}],"field_summary_sentence":"","uid":"34434","created_gmt":"2023-12-07 21:50:48","changed_gmt":"2023-12-07 21:50:48","author":"Renay San Miguel","boilerplate_text":"","field_publication":"","publication":"Nature Scientific Reports","field_article_url":"","publication_url":"https:\/\/www.nature.com\/articles\/s41598-023-46718-4#author-information","dateline":{"date":"2023-12-07T00:00:00-05:00","iso_date":"2023-12-07T00:00:00-05:00","tz":"America\/New_York"},"extras":[],"groups":[{"id":"1278","name":"College of Sciences"},{"id":"126011","name":"School of Physics"}],"categories":[{"id":"150","name":"Physics and Physical Sciences"},{"id":"135","name":"Research"},{"id":"152","name":"Robotics"},{"id":"134","name":"Student and Faculty"},{"id":"8862","name":"Student Research"}],"keywords":[{"id":"4896","name":"College of Sciences"},{"id":"166937","name":"School of Physics"},{"id":"12040","name":"Daniel Goldman"},{"id":"188149","name":"Emily Alicea-Mu\u00f1oz"},{"id":"177416","name":"Gongjie Li"},{"id":"193338","name":"Steven Tarr"},{"id":"193339","name":"Hussain Gynai"},{"id":"170450","name":"robophysics"}],"core_research_areas":[],"news_room_topics":[],"event_categories":[],"invited_audience":[],"affiliations":[],"classification":[],"areas_of_expertise":[],"news_and_recent_appearances":[],"phone":[],"contact":[],"email":[],"slides":[],"orientation":[],"userdata":""}}}