{"id":113252,"date":"2020-09-21T10:25:50","date_gmt":"2020-09-21T17:25:50","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2020\/09\/why-there-is-no-speed-limit-in-the-superfluid-universe"},"modified":"2020-09-21T10:25:50","modified_gmt":"2020-09-21T17:25:50","slug":"why-there-is-no-speed-limit-in-the-superfluid-universe","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2020\/09\/why-there-is-no-speed-limit-in-the-superfluid-universe","title":{"rendered":"Why there is no speed limit in the superfluid universe"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/why-there-is-no-speed-limit-in-the-superfluid-universe.jpg\"><\/a><\/p>\n<p>Physicists from Lancaster University have established why objects moving through superfluid helium-3 lack a speed limit in a continuation of earlier Lancaster research.<\/p>\n<p>Helium-3 is a rare isotope of helium, in which one neutron is missing. It becomes <a href=\"https:\/\/phys.org\/tags\/superfluid\/\" rel=\"tag\" class=\"\">superfluid<\/a> at extremely low temperatures, enabling unusual properties such as a lack of friction for moving objects.<\/p>\n<p>It was thought that the <a href=\"https:\/\/phys.org\/tags\/speed\/\" rel=\"tag\" class=\"\">speed<\/a> of objects moving through <a href=\"https:\/\/phys.org\/tags\/superfluid+helium-3\/\" rel=\"tag\" class=\"\">superfluid helium-3<\/a> was fundamentally limited to the critical Landau velocity, and that exceeding this speed limit would destroy the superfluid. Prior experiments in Lancaster have found that it is not a strict rule and objects can move at much greater speeds without destroying the fragile superfluid state.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Physicists from Lancaster University have established why objects moving through superfluid helium-3 lack a speed limit in a continuation of earlier Lancaster research. Helium-3 is a rare isotope of helium, in which one neutron is missing. It becomes superfluid at extremely low temperatures, enabling unusual properties such as a lack of friction for moving objects. [\u2026]<\/p>\n","protected":false},"author":513,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[219],"tags":[],"class_list":["post-113252","post","type-post","status-publish","format-standard","hentry","category-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/113252","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\/513"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=113252"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/113252\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=113252"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=113252"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=113252"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}