{"id":140574,"date":"2022-06-14T06:02:49","date_gmt":"2022-06-14T11:02:49","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2022\/06\/physicists-caught-sound-moving-at-two-different-speeds-in-3d-quantum-gas"},"modified":"2022-06-14T06:02:49","modified_gmt":"2022-06-14T11:02:49","slug":"physicists-caught-sound-moving-at-two-different-speeds-in-3d-quantum-gas","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2022\/06\/physicists-caught-sound-moving-at-two-different-speeds-in-3d-quantum-gas","title":{"rendered":"Physicists Caught Sound Moving at Two Different Speeds in 3D Quantum Gas"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/physicists-caught-sound-moving-at-two-different-speeds-in-3d-quantum-gas2.jpg\"><\/a><\/p>\n<p>After previously studying the phenomena of <a href=\"https:\/\/journals.aps.org\/prl\/abstract\/10.1103\/PhysRevLett.121.026803\" target=\"_blank\" rel=\"noopener noreferrer\">two sound waves<\/a> in quantum liquids, scientists have now observed sound moving at two different speeds in a quantum gas.<\/p>\n<p>If you were somehow immersed in the three-dimensional gas used for this study, you would hear every sound twice: each individual sound carried by two different sound waves moving at two different speeds.<\/p>\n<p>This is an important development in the field of <a href=\"https:\/\/en.wikipedia.org\/wiki\/Superfluidity\" target=\"_blank\" rel=\"noopener noreferrer\">superfluidity<\/a> \u2013 fluids with no viscosity that can flow without any loss of energy.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>After previously studying the phenomena of two sound waves in quantum liquids, scientists have now observed sound moving at two different speeds in a quantum gas. If you were somehow immersed in the three-dimensional gas used for this study, you would hear every sound twice: each individual sound carried by two different sound waves moving [\u2026]<\/p>\n","protected":false},"author":367,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1497,1617],"tags":[],"class_list":["post-140574","post","type-post","status-publish","format-standard","hentry","category-energy","category-quantum-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/140574","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\/367"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=140574"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/140574\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=140574"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=140574"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=140574"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}