{"id":5531,"date":"2016-10-25T09:43:54","date_gmt":"2016-10-25T16:43:54","guid":{"rendered":"http:\/\/www.wall.org\/~aron\/blog\/?p=5531"},"modified":"2016-10-25T09:43:54","modified_gmt":"2016-10-25T16:43:54","slug":"on-the-importance-of-units","status":"publish","type":"post","link":"https:\/\/www.wall.org\/~aron\/blog\/on-the-importance-of-units\/","title":{"rendered":"On the importance of units"},"content":{"rendered":"<p>In <a title=\"Slides for Fining Tuning talk\" href=\"http:\/\/www.wall.org\/~aron\/blog\/slides-for-fining-tuning-talk\/\">my recent talk about fine tuning<\/a>, I mentioned that the numerical value of a physical quantities with units (such as meters, joules, etc.) is just an arbitrary human convention.\u00a0 So if you don&#8217;t understand the grammar of units, you may end up talking nonsense without realizing it.<\/p>\n<p>Here is a sign that illustrates the dire consequences of disregarding such niceties:<\/p>\n<p><a href=\"http:\/\/www.wall.org\/~aron\/blog\/wp-content\/uploads\/2016\/10\/800px-New_cuyama.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5532\" title=\"800px-New_cuyama\" src=\"http:\/\/www.wall.org\/~aron\/blog\/wp-content\/uploads\/2016\/10\/800px-New_cuyama.jpg\" alt=\"\" width=\"800\" height=\"634\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In my recent talk about fine tuning, I mentioned that the numerical value of a physical quantities with units (such as meters, joules, etc.) is just an arbitrary human convention.\u00a0 So if you don&#8217;t understand the grammar of units, you may end up talking nonsense without realizing it. Here is a sign that illustrates the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-5531","post","type-post","status-publish","format-standard","hentry","category-physics"],"_links":{"self":[{"href":"https:\/\/www.wall.org\/~aron\/blog\/wp-json\/wp\/v2\/posts\/5531","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wall.org\/~aron\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wall.org\/~aron\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wall.org\/~aron\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wall.org\/~aron\/blog\/wp-json\/wp\/v2\/comments?post=5531"}],"version-history":[{"count":13,"href":"https:\/\/www.wall.org\/~aron\/blog\/wp-json\/wp\/v2\/posts\/5531\/revisions"}],"predecessor-version":[{"id":5545,"href":"https:\/\/www.wall.org\/~aron\/blog\/wp-json\/wp\/v2\/posts\/5531\/revisions\/5545"}],"wp:attachment":[{"href":"https:\/\/www.wall.org\/~aron\/blog\/wp-json\/wp\/v2\/media?parent=5531"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wall.org\/~aron\/blog\/wp-json\/wp\/v2\/categories?post=5531"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wall.org\/~aron\/blog\/wp-json\/wp\/v2\/tags?post=5531"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}