{"id":13421,"date":"2020-05-12T08:08:29","date_gmt":"2020-05-12T15:08:29","guid":{"rendered":"http:\/\/www.preposterousuniverse.com\/blog\/?p=13421"},"modified":"2020-05-16T17:08:26","modified_gmt":"2020-05-17T00:08:26","slug":"the-biggest-ideas-in-the-universe-8-entanglement","status":"publish","type":"post","link":"https:\/\/preposterousuniverse.com\/blog\/2020\/05\/12\/the-biggest-ideas-in-the-universe-8-entanglement\/","title":{"rendered":"The Biggest Ideas in the Universe | 8. Entanglement"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Entanglement is one of the most important features &#8212; arguably, when you get down to it, <em>the<\/em> most important feature &#8212; of quantum mechanics, but it&#8217;s often glossed over in how we introduce the subject to students. Here we dive in, and I use this as an excuse to eventually talk about some of the different physical theories vying to be a complete formulation of quantum mechanics.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Update:<\/strong> I originally uploaded the wrong file, this should be the right one!<\/p>\n\n\n<figure class=\"wp-block-embed-youtube wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"lyte-wrapper\" title=\"The Biggest Ideas in the Universe | 8. Entanglement\" style=\"width:640px;max-width:100%;margin:5px;\"><div class=\"lyMe\" id=\"WYL_yZ1KSJbJAng\" itemprop=\"video\" itemscope itemtype=\"https:\/\/schema.org\/VideoObject\"><div><meta itemprop=\"thumbnailUrl\" content=\"https:\/\/i.ytimg.com\/vi\/yZ1KSJbJAng\/hqdefault.jpg\" \/><meta itemprop=\"embedURL\" content=\"https:\/\/www.youtube.com\/embed\/yZ1KSJbJAng\" \/><meta itemprop=\"duration\" content=\"PT1H20M30S\" \/><meta itemprop=\"uploadDate\" content=\"2020-05-12T19:08:44Z\" \/><\/div><div id=\"lyte_yZ1KSJbJAng\" data-src=\"https:\/\/i.ytimg.com\/vi\/yZ1KSJbJAng\/hqdefault.jpg\" class=\"pL\"><div class=\"tC\"><div class=\"tT\" itemprop=\"name\">The Biggest Ideas in the Universe | 8. Entanglement<\/div><\/div><div class=\"play\"><\/div><div class=\"ctrl\"><div class=\"Lctrl\"><\/div><div class=\"Rctrl\"><\/div><\/div><\/div><noscript><a href=\"https:\/\/youtu.be\/yZ1KSJbJAng\" rel=\"nofollow\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i.ytimg.com\/vi\/yZ1KSJbJAng\/0.jpg\" alt=\"The Biggest Ideas in the Universe | 8. Entanglement\" width=\"640\" height=\"340\" \/><br \/>Watch this video on YouTube<\/a><\/noscript><meta itemprop=\"description\" content=\"The Biggest Ideas in the Universe is a series of videos where I talk informally about some of the fundamental concepts that help us understand our natural world. Exceedingly casual, not overly polished, and meant for absolutely everybody. This is Idea #8, &quot;Entanglement.&quot; I talk about what entanglement means, how it showed up in classic work by Einstein, Schr\u00f6dinger, and Bell, and the crucial role it plays in competing formulations of the foundations of quantum theory, including Many-Worlds and others. My web page: http:\/\/www.preposterousuniverse.com\/ My YouTube channel: https:\/\/www.youtube.com\/c\/seancarroll Mindscape podcast: http:\/\/www.preposterousuniverse.com\/podcast The Biggest Ideas playlist: https:\/\/www.youtube.com\/playlist?list=PLrxfgDEc2NxZJcWcrxH3jyjUUrJlnoyzX Blog posts for the series: http:\/\/www.preposterousuniverse.com\/blog\/category\/biggest-ideas-in-the-universe\/ #science #physics #ideas #universe #learning #cosmology #philosophy #quantum #entanglement\"><\/div><\/div><div class=\"lL\" style=\"max-width:100%;width:640px;margin:5px;\"><\/div><figcaption><\/figcaption><\/figure>\n\n\n<p class=\"wp-block-paragraph\">And here is the associated Q&amp;A video. (Sorry I was in a hurry and didn&#8217;t do the lighting correctly &#8230; I&#8217;ll never make it big in Hollywood at this rate.)<\/p>\n\n\n<figure class=\"wp-block-embed-youtube wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"lyte-wrapper\" title=\"The Biggest Ideas in the Universe | Q&amp;amp;A 8 - Entanglement\" style=\"width:640px;max-width:100%;margin:5px;\"><div class=\"lyMe\" id=\"WYL_IB50S4J4c8k\" itemprop=\"video\" itemscope itemtype=\"https:\/\/schema.org\/VideoObject\"><div><meta itemprop=\"thumbnailUrl\" content=\"https:\/\/i.ytimg.com\/vi\/IB50S4J4c8k\/hqdefault.jpg\" \/><meta itemprop=\"embedURL\" content=\"https:\/\/www.youtube.com\/embed\/IB50S4J4c8k\" \/><meta itemprop=\"duration\" content=\"PT59M38S\" \/><meta itemprop=\"uploadDate\" content=\"2020-05-17T00:04:33Z\" \/><\/div><div id=\"lyte_IB50S4J4c8k\" data-src=\"https:\/\/i.ytimg.com\/vi\/IB50S4J4c8k\/hqdefault.jpg\" class=\"pL\"><div class=\"tC\"><div class=\"tT\" itemprop=\"name\">The Biggest Ideas in the Universe | Q&amp;A 8 - Entanglement<\/div><\/div><div class=\"play\"><\/div><div class=\"ctrl\"><div class=\"Lctrl\"><\/div><div class=\"Rctrl\"><\/div><\/div><\/div><noscript><a href=\"https:\/\/youtu.be\/IB50S4J4c8k\" rel=\"nofollow\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i.ytimg.com\/vi\/IB50S4J4c8k\/0.jpg\" alt=\"The Biggest Ideas in the Universe | Q&amp;amp;A 8 - Entanglement\" width=\"640\" height=\"340\" \/><br \/>Watch this video on YouTube<\/a><\/noscript><meta itemprop=\"description\" content=\"The Biggest Ideas in the Universe is a series of videos where I talk informally about some of the fundamental concepts that help us understand our natural world. Exceedingly casual, not overly polished, and meant for absolutely everybody. This is the Q&amp;A video associated with Idea #8, &quot;Entanglement.&quot; Using spins as a model system, I try to explain why entanglement is much more subtle than classical correlations (as in gloves or socks). And I talk a bit more about Many Worlds and the origin of probability. My web page: http:\/\/www.preposterousuniverse.com\/ My YouTube channel: https:\/\/www.youtube.com\/c\/seancarroll Mindscape podcast: http:\/\/www.preposterousuniverse.com\/podcast The Biggest Ideas playlist: https:\/\/www.youtube.com\/playlist?list=PLrxfgDEc2NxZJcWcrxH3jyjUUrJlnoyzX Blog posts for the series: http:\/\/www.preposterousuniverse.com\/blog\/category\/biggest-ideas-in-the-universe\/ Background image: https:\/\/woowpaper.blogspot.com\/2020\/02\/ultra-hd-3d-wallpaper-blue.html #science #physics #ideas #universe #learning #cosmology #philosophy #quantum\"><\/div><\/div><div class=\"lL\" style=\"max-width:100%;width:640px;margin:5px;\"><\/div><figcaption><\/figcaption><\/figure>","protected":false},"excerpt":{"rendered":"<p>Entanglement is one of the most important features &#8212; arguably, when you get down to it, the most important feature &#8212; of quantum mechanics, but it&#8217;s often glossed over in how we introduce the subject to students. Here we dive in, and I use this as an excuse to eventually talk about some of the [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[137,28],"tags":[],"class_list":["post-13421","post","type-post","status-publish","format-standard","hentry","category-biggest-ideas-in-the-universe","category-science"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/preposterousuniverse.com\/blog\/wp-json\/wp\/v2\/posts\/13421","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/preposterousuniverse.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/preposterousuniverse.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/preposterousuniverse.com\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/preposterousuniverse.com\/blog\/wp-json\/wp\/v2\/comments?post=13421"}],"version-history":[{"count":3,"href":"https:\/\/preposterousuniverse.com\/blog\/wp-json\/wp\/v2\/posts\/13421\/revisions"}],"predecessor-version":[{"id":13430,"href":"https:\/\/preposterousuniverse.com\/blog\/wp-json\/wp\/v2\/posts\/13421\/revisions\/13430"}],"wp:attachment":[{"href":"https:\/\/preposterousuniverse.com\/blog\/wp-json\/wp\/v2\/media?parent=13421"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/preposterousuniverse.com\/blog\/wp-json\/wp\/v2\/categories?post=13421"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/preposterousuniverse.com\/blog\/wp-json\/wp\/v2\/tags?post=13421"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}