{"id":13394,"date":"2020-04-14T07:49:37","date_gmt":"2020-04-14T14:49:37","guid":{"rendered":"http:\/\/www.preposterousuniverse.com\/blog\/?p=13394"},"modified":"2020-04-19T08:50:42","modified_gmt":"2020-04-19T15:50:42","slug":"the-biggest-ideas-in-the-universe-4-space","status":"publish","type":"post","link":"https:\/\/preposterousuniverse.com\/blog\/2020\/04\/14\/the-biggest-ideas-in-the-universe-4-space\/","title":{"rendered":"The Biggest Ideas in the Universe | 4. Space"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">This installment of our <a href=\"https:\/\/www.preposterousuniverse.com\/blog\/category\/biggest-ideas-in-the-universe\/\">Biggest Ideas in the Universe<\/a> series talks about Space. As in, the three-dimensional plenum of locations in which we find ourselves situated. Is space fundamental? Why is it precisely three-dimensional? Why is there space at all? Find out here! (Or at least find out that we don&#8217;t know the answers, but we have some clues about how to ask the questions.)<\/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 | 4. Space\" style=\"width:640px;max-width:100%;margin:5px;\"><div class=\"lyMe\" id=\"WYL_77LM_t19djI\" itemprop=\"video\" itemscope itemtype=\"https:\/\/schema.org\/VideoObject\"><div><meta itemprop=\"thumbnailUrl\" content=\"https:\/\/i.ytimg.com\/vi\/77LM_t19djI\/hqdefault.jpg\" \/><meta itemprop=\"embedURL\" content=\"https:\/\/www.youtube.com\/embed\/77LM_t19djI\" \/><meta itemprop=\"duration\" content=\"PT1H54S\" \/><meta itemprop=\"uploadDate\" content=\"2020-04-14T14:48:15Z\" \/><\/div><div id=\"lyte_77LM_t19djI\" data-src=\"https:\/\/i.ytimg.com\/vi\/77LM_t19djI\/hqdefault.jpg\" class=\"pL\"><div class=\"tC\"><div class=\"tT\" itemprop=\"name\">The Biggest Ideas in the Universe | 4. Space<\/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\/77LM_t19djI\" rel=\"nofollow\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i.ytimg.com\/vi\/77LM_t19djI\/0.jpg\" alt=\"The Biggest Ideas in the Universe | 4. Space\" 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 #4, &quot;Space.&quot; We talk about what is meant by three-dimensional space, why it might be three-dimensional, and why space exists at all. Why do we live in position space, rather than in momentum space, anyway? And what&#039;s so important about &quot;locality&quot;? 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\/watch?v=HI09kat_GeI&amp;list=PLrxfgDEc2NxZJcWcrxH3jyjUUrJlnoyzX&amp;ab_channel=SeanCarroll Blog posts for the series: http:\/\/www.preposterousuniverse.com\/blog\/category\/biggest-ideas-in-the-universe\/ Background image: https:\/\/wallpapercave.com\/w\/Pr9hNhy #science #physics #ideas #universe #learning #cosmology #philosophy #math #space #locality #dimensions\"><\/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\">This is likely one of my favorite Ideas in the series, as we get to think about the nature of space in ways that aren&#8217;t usually discussed in physics classes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Update: here is the followup Q&amp;A video. More details on Hamiltonians, yay!<\/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 4 - Space\" style=\"width:640px;max-width:100%;margin:5px;\"><div class=\"lyMe\" id=\"WYL_tBWNRo7rmuQ\" itemprop=\"video\" itemscope itemtype=\"https:\/\/schema.org\/VideoObject\"><div><meta itemprop=\"thumbnailUrl\" content=\"https:\/\/i.ytimg.com\/vi\/tBWNRo7rmuQ\/hqdefault.jpg\" \/><meta itemprop=\"embedURL\" content=\"https:\/\/www.youtube.com\/embed\/tBWNRo7rmuQ\" \/><meta itemprop=\"duration\" content=\"PT48M5S\" \/><meta itemprop=\"uploadDate\" content=\"2020-04-19T15:46:48Z\" \/><\/div><div id=\"lyte_tBWNRo7rmuQ\" data-src=\"https:\/\/i.ytimg.com\/vi\/tBWNRo7rmuQ\/hqdefault.jpg\" class=\"pL\"><div class=\"tC\"><div class=\"tT\" itemprop=\"name\">The Biggest Ideas in the Universe | Q&amp;A 4 - Space<\/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\/tBWNRo7rmuQ\" rel=\"nofollow\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i.ytimg.com\/vi\/tBWNRo7rmuQ\/0.jpg\" alt=\"The Biggest Ideas in the Universe | Q&amp;amp;A 4 - Space\" 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 following Idea #4, Space, the video for which can be found here: https:\/\/www.youtube.com\/watch?v=77LM_t19djI&amp;ab_channel=SeanCarroll 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\/watch?v=HI09kat_GeI&amp;list=PLrxfgDEc2NxZJcWcrxH3jyjUUrJlnoyzX&amp;ab_channel=SeanCarroll Blog posts for the series: http:\/\/www.preposterousuniverse.com\/blog\/category\/biggest-ideas-in-the-universe\/ Background image: https:\/\/wallpapercave.com\/w\/Pr9hNhy #science #physics #ideas #universe #learning #cosmology #philosophy #math #space #dimensions\"><\/div><\/div><div class=\"lL\" style=\"max-width:100%;width:640px;margin:5px;\"><\/div><figcaption><\/figcaption><\/figure>","protected":false},"excerpt":{"rendered":"<p>This installment of our Biggest Ideas in the Universe series talks about Space. As in, the three-dimensional plenum of locations in which we find ourselves situated. Is space fundamental? Why is it precisely three-dimensional? Why is there space at all? Find out here! (Or at least find out that we don&#8217;t know the answers, but [&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-13394","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\/13394","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=13394"}],"version-history":[{"count":3,"href":"https:\/\/preposterousuniverse.com\/blog\/wp-json\/wp\/v2\/posts\/13394\/revisions"}],"predecessor-version":[{"id":13403,"href":"https:\/\/preposterousuniverse.com\/blog\/wp-json\/wp\/v2\/posts\/13394\/revisions\/13403"}],"wp:attachment":[{"href":"https:\/\/preposterousuniverse.com\/blog\/wp-json\/wp\/v2\/media?parent=13394"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/preposterousuniverse.com\/blog\/wp-json\/wp\/v2\/categories?post=13394"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/preposterousuniverse.com\/blog\/wp-json\/wp\/v2\/tags?post=13394"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}