{"id":84679,"date":"2018-11-12T19:22:21","date_gmt":"2018-11-13T03:22:21","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2018\/11\/quantum-leap-for-mass-as-science-redefines-the-kilogramme"},"modified":"2018-11-12T19:22:21","modified_gmt":"2018-11-13T03:22:21","slug":"quantum-leap-for-mass-as-science-redefines-the-kilogramme","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2018\/11\/quantum-leap-for-mass-as-science-redefines-the-kilogramme","title":{"rendered":"Quantum leap for mass as science redefines the kilogramme"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/quantum-leap-for-mass-as-science-redefines-the-kilogramme.jpg\"><\/a><\/p>\n<p>Sealed in a vault beneath a duke\u2019s former pleasure palace among the sycamore-streaked forests west of Paris sits an object the size of an apple that determines the weight of the world.<\/p>\n<p>Forged against a backdrop of scientific and political upheaval following the French Revolution, a single, small cylinder of platinum-iridium alloy has laid largely undisturbed for nearly 130 years as the world\u2019s benchmark for what, precisely, is a kilogramme.<\/p>\n<p>The international prototype of the kilogramme, or \u201cLe Grand K\u201d as it is tenderly known, is one of science\u2019s most hallowed relics, an analogue against which all other weights are compared and a totem of the metric system that accompanied the epoch of liberty, equality and fraternity.<\/p>\n<p><!-- Link: <a href=\"https:\/\/phys.org\/news\/2018-11-quantum-mass-science-redefines-kilogramme.html\">https:\/\/phys.org\/news\/2018&#45;11-quantum-mass-science-redefines-kilogramme.html<\/a> --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sealed in a vault beneath a duke\u2019s former pleasure palace among the sycamore-streaked forests west of Paris sits an object the size of an apple that determines the weight of the world. Forged against a backdrop of scientific and political upheaval following the French Revolution, a single, small cylinder of platinum-iridium alloy has laid largely [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[224],"tags":[],"class_list":["post-84679","post","type-post","status-publish","format-standard","hentry","category-science"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/84679","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\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=84679"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/84679\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=84679"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=84679"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=84679"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}