{"id":214434,"date":"2025-05-21T13:07:33","date_gmt":"2025-05-21T18:07:33","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/05\/is-gravity-quantum-laser-cooling-brings-torsional-oscillators-closer-to-answering-this-question"},"modified":"2025-05-21T13:07:33","modified_gmt":"2025-05-21T18:07:33","slug":"is-gravity-quantum-laser-cooling-brings-torsional-oscillators-closer-to-answering-this-question","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/05\/is-gravity-quantum-laser-cooling-brings-torsional-oscillators-closer-to-answering-this-question","title":{"rendered":"Is gravity quantum? Laser cooling brings torsional oscillators closer to answering this question"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/is-gravity-quantum-laser-cooling-brings-torsional-oscillators-closer-to-answering-this-question.jpg\"><\/a><\/p>\n<p>One of the most profound open questions in modern physics is: \u201cIs gravity quantum?\u201d The other fundamental forces\u2014electromagnetic, weak, and strong\u2014have all been successfully described, but no complete and consistent quantum theory of gravity yet exists.<\/p>\n<p>\u201cTheoretical physicists have proposed many possible scenarios, from <a href=\"https:\/\/phys.org\/tags\/gravity\/\" rel=\"tag\" class=\"\">gravity<\/a> being inherently classical to fully quantum, but the debate remains unresolved because we\u2019ve never had a clear way to test gravity\u2019s quantum nature in the lab,\u201d says Dongchel Shin, a Ph.D. candidate in the MIT Department of Mechanical Engineering (MechE).<\/p>\n<p>\u201cThe key to answering this lies in preparing <a href=\"https:\/\/phys.org\/tags\/mechanical+systems\/\" rel=\"tag\" class=\"\">mechanical systems<\/a> that are massive enough to feel gravity, yet quiet enough\u2014quantum enough\u2014to reveal how gravity interacts with them.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>One of the most profound open questions in modern physics is: \u201cIs gravity quantum?\u201d The other fundamental forces\u2014electromagnetic, weak, and strong\u2014have all been successfully described, but no complete and consistent quantum theory of gravity yet exists. \u201cTheoretical physicists have proposed many possible scenarios, from gravity being inherently classical to fully quantum, but the debate remains [\u2026]<\/p>\n","protected":false},"author":732,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38,1617],"tags":[],"class_list":["post-214434","post","type-post","status-publish","format-standard","hentry","category-engineering","category-quantum-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/214434","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/732"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=214434"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/214434\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=214434"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=214434"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=214434"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}