{"id":285399,"date":"2016-09-27T02:00:00","date_gmt":"2016-09-26T23:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=3ce0fab8c7277a1673c5389b76215035"},"modified":"2016-09-27T02:00:00","modified_gmt":"2016-09-26T23:00:00","slug":"natural-units-in-physics-and-the-curious-case-of-the-radian","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=285399","title":{"rendered":"Natural units in physics, and the curious case of the radian"},"content":{"rendered":"<p>Sets of natural units, like \u2018atomic units\u2019, are sometimes used to simplify the equations of physics.<br \/>\nThis choice of units can be seen as a way of showing the relationships between quantities in their<br \/>\nsimplest form, in specialised situations, while still being correct. The unit system used for<br \/>\nteaching, the SI, is instead designed primarily to be a set of units that can be applied<br \/>\nconsistently across all areas of science, commerce and industry. The SI also gives priority to<br \/>\nemphasising the distinction between different quantities, by (most of the time) giving different<br \/>\nunits to different quantities, rather than producing the simplest possible equations. It is not<br \/>\nwidely appreciated that the SI treats the radian as the natural unit for angle, the only unit to be<br \/>\ntreated this way, with consequent issues for clear distinctions between quantities involving angles.<br \/>\nThe system that the SI would become if this anomaly were removed is presented. Rather than<br \/>\nadvocating this major c&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sets of natural units, like \u2018atomic units\u2019, are sometimes used to simplify the equations of physics.<br \/>\nThis choice of units can be seen as a way of showing the relationships between quantities in their<br \/>\nsimplest form, in specialised situations, whil&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[178],"tags":[],"class_list":{"0":"post-285399","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-rss-fuusikaharidus","7":"entry"},"_links":{"self":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/285399","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=285399"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/285399\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=285399"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=285399"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=285399"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}