{"id":13485,"date":"2020-07-14T07:38:04","date_gmt":"2020-07-14T14:38:04","guid":{"rendered":"http:\/\/www.preposterousuniverse.com\/blog\/?p=13485"},"modified":"2020-07-19T11:28:59","modified_gmt":"2020-07-19T18:28:59","slug":"the-biggest-ideas-in-the-universe-17-matter","status":"publish","type":"post","link":"https:\/\/preposterousuniverse.com\/blog\/2020\/07\/14\/the-biggest-ideas-in-the-universe-17-matter\/","title":{"rendered":"The Biggest Ideas in the Universe | 17. Matter"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Why is matter solid, if it&#8217;s made out of quantum waves? The answer is revealed in this action-packed episode. It involves Fermi statistics, the Pauli Exclusion Principle, and the spin-statistics connection. All illustrated with delightful visual aids.<\/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 | 17. Matter\" style=\"width:640px;max-width:100%;margin:5px;\"><div class=\"lyMe\" id=\"WYL_dQWn9NzvX4s\" itemprop=\"video\" itemscope itemtype=\"https:\/\/schema.org\/VideoObject\"><div><meta itemprop=\"thumbnailUrl\" content=\"https:\/\/i.ytimg.com\/vi\/dQWn9NzvX4s\/hqdefault.jpg\" \/><meta itemprop=\"embedURL\" content=\"https:\/\/www.youtube.com\/embed\/dQWn9NzvX4s\" \/><meta itemprop=\"duration\" content=\"PT1H9M42S\" \/><meta itemprop=\"uploadDate\" content=\"2020-07-14T14:32:51Z\" \/><\/div><div id=\"lyte_dQWn9NzvX4s\" data-src=\"https:\/\/i.ytimg.com\/vi\/dQWn9NzvX4s\/hqdefault.jpg\" class=\"pL\"><div class=\"tC\"><div class=\"tT\" itemprop=\"name\">The Biggest Ideas in the Universe | 17. Matter<\/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\/dQWn9NzvX4s\" rel=\"nofollow\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i.ytimg.com\/vi\/dQWn9NzvX4s\/0.jpg\" alt=\"The Biggest Ideas in the Universe | 17. Matter\" 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 #17, &quot;Matter.&quot; The matter of which we are made can be solid because electrons are fermions, meaning that they take up space. We talk about that and the closely related spin-statistics theorem. Complete with demonstrations using visual aids! 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:\/\/www.publicdomainpictures.net\/en\/view-image.php?image=170810&amp;picture=brick-wall #science #physics #ideas #universe #learning #cosmology #philosophy #matter #fermions #spin\"><\/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 Q&amp;A video. Among other things, we talk about what &#8220;matter&#8221; means to a cosmologist.<\/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 17 - Matter\" style=\"width:640px;max-width:100%;margin:5px;\"><div class=\"lyMe\" id=\"WYL_AzYJTiQSGjw\" itemprop=\"video\" itemscope itemtype=\"https:\/\/schema.org\/VideoObject\"><div><meta itemprop=\"thumbnailUrl\" content=\"https:\/\/i.ytimg.com\/vi\/AzYJTiQSGjw\/hqdefault.jpg\" \/><meta itemprop=\"embedURL\" content=\"https:\/\/www.youtube.com\/embed\/AzYJTiQSGjw\" \/><meta itemprop=\"duration\" content=\"PT44M29S\" \/><meta itemprop=\"uploadDate\" content=\"2020-07-19T16:02:12Z\" \/><\/div><div id=\"lyte_AzYJTiQSGjw\" data-src=\"https:\/\/i.ytimg.com\/vi\/AzYJTiQSGjw\/hqdefault.jpg\" class=\"pL\"><div class=\"tC\"><div class=\"tT\" itemprop=\"name\">The Biggest Ideas in the Universe | Q&amp;A 17 - Matter<\/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\/AzYJTiQSGjw\" rel=\"nofollow\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i.ytimg.com\/vi\/AzYJTiQSGjw\/0.jpg\" alt=\"The Biggest Ideas in the Universe | Q&amp;amp;A 17 - Matter\" 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 for Idea #17, &quot;Matter.&quot; We talk about what &quot;matter&quot; means (including in contexts such as cosmology), why you get discrete results when you measure spins, and related issues. 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:\/\/www.publicdomainpictures.net\/en\/view-image.php?image=170810&amp;picture=brick-wall #science #physics #ideas #universe #learning #cosmology #philosophy #matter #fermions #spin\"><\/div><\/div><div class=\"lL\" style=\"max-width:100%;width:640px;margin:5px;\"><\/div><figcaption><\/figcaption><\/figure>","protected":false},"excerpt":{"rendered":"<p>Why is matter solid, if it&#8217;s made out of quantum waves? The answer is revealed in this action-packed episode. It involves Fermi statistics, the Pauli Exclusion Principle, and the spin-statistics connection. All illustrated with delightful visual aids. And here is the Q&amp;A video. Among other things, we talk about what &#8220;matter&#8221; means to a cosmologist.<\/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-13485","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\/13485","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=13485"}],"version-history":[{"count":2,"href":"https:\/\/preposterousuniverse.com\/blog\/wp-json\/wp\/v2\/posts\/13485\/revisions"}],"predecessor-version":[{"id":13487,"href":"https:\/\/preposterousuniverse.com\/blog\/wp-json\/wp\/v2\/posts\/13485\/revisions\/13487"}],"wp:attachment":[{"href":"https:\/\/preposterousuniverse.com\/blog\/wp-json\/wp\/v2\/media?parent=13485"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/preposterousuniverse.com\/blog\/wp-json\/wp\/v2\/categories?post=13485"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/preposterousuniverse.com\/blog\/wp-json\/wp\/v2\/tags?post=13485"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}