{"id":2200,"date":"2011-07-25T11:04:17","date_gmt":"2011-07-25T16:04:17","guid":{"rendered":"http:\/\/library.waubonsee.edu\/wordpress\/?p=2200"},"modified":"2021-11-27T22:11:03","modified_gmt":"2021-11-28T03:11:03","slug":"fyi-one-second-9192631770-energy-transitions-of-the-cesium-atom","status":"publish","type":"post","link":"https:\/\/library.waubonsee.edu\/wordpress\/2011\/07\/25\/fyi-one-second-9192631770-energy-transitions-of-the-cesium-atom\/","title":{"rendered":"FYI: One second = 9,192,631,770 energy transitions of the cesium atom"},"content":{"rendered":"<blockquote><p>[T]he second was redefined as the duration of 9,192,631,770 energy transitions of the cesium atom&#8230;<\/p>\n<p>This change took place in 1967.<\/p><\/blockquote>\n<p><a href=\"http:\/\/kottke.org\/11\/07\/why-60-seconds-and-minutes-but-24-hours\">Why 60 seconds and minutes but 24 hours?<\/a>\u00c2\u00a0 via Kottke.org<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[T]he second was redefined as the duration of 9,192,631,770 energy transitions of the cesium atom&#8230; This change took place in 1967. Why 60 seconds and minutes but 24 hours?\u00c2\u00a0 via Kottke.org<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[3],"tags":[],"class_list":["post-2200","post","type-post","status-publish","format-standard","hentry","category-did-you-know"],"_links":{"self":[{"href":"https:\/\/library.waubonsee.edu\/wordpress\/wp-json\/wp\/v2\/posts\/2200","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/library.waubonsee.edu\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/library.waubonsee.edu\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/library.waubonsee.edu\/wordpress\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/library.waubonsee.edu\/wordpress\/wp-json\/wp\/v2\/comments?post=2200"}],"version-history":[{"count":2,"href":"https:\/\/library.waubonsee.edu\/wordpress\/wp-json\/wp\/v2\/posts\/2200\/revisions"}],"predecessor-version":[{"id":10112,"href":"https:\/\/library.waubonsee.edu\/wordpress\/wp-json\/wp\/v2\/posts\/2200\/revisions\/10112"}],"wp:attachment":[{"href":"https:\/\/library.waubonsee.edu\/wordpress\/wp-json\/wp\/v2\/media?parent=2200"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/library.waubonsee.edu\/wordpress\/wp-json\/wp\/v2\/categories?post=2200"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/library.waubonsee.edu\/wordpress\/wp-json\/wp\/v2\/tags?post=2200"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}