{"id":152196,"date":"2022-12-08T13:24:23","date_gmt":"2022-12-08T19:24:23","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2022\/12\/why-21-cm-is-the-magic-length-for-the-universe"},"modified":"2022-12-08T13:24:23","modified_gmt":"2022-12-08T19:24:23","slug":"why-21-cm-is-the-magic-length-for-the-universe","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2022\/12\/why-21-cm-is-the-magic-length-for-the-universe","title":{"rendered":"Why 21 cm is the magic length for the Universe"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/why-21-cm-is-the-magic-length-for-the-universe2.jpg\"><\/a><\/p>\n<p>Photons come in every wavelength you can imagine. But one particular quantum transition makes light at precisely 21 cm, and it\u2019s magical.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Photons come in every wavelength you can imagine. But one particular quantum transition makes light at precisely 21 cm, and it\u2019s magical.<\/p>\n","protected":false},"author":662,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1617,8],"tags":[],"class_list":["post-152196","post","type-post","status-publish","format-standard","hentry","category-quantum-physics","category-space"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/152196","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\/662"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=152196"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/152196\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=152196"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=152196"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=152196"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}