{"id":206,"date":"2010-02-25T13:05:19","date_gmt":"2010-02-25T18:05:19","guid":{"rendered":"http:\/\/blog.richmond.edu\/physicsbunn\/2010\/02\/25\/3d-again\/"},"modified":"2010-02-25T13:05:19","modified_gmt":"2010-02-25T18:05:19","slug":"3d-again","status":"publish","type":"post","link":"https:\/\/blog.richmond.edu\/physicsbunn\/2010\/02\/25\/3d-again\/","title":{"rendered":"3D again"},"content":{"rendered":"<p>A while ago, I <a href=\"http:\/\/blog.richmond.edu\/physicsbunn\/2010\/01\/07\/3d\/\">wrote a bit<\/a> about how 3D movies work.\u00a0 One thing I said was<\/p>\n<blockquote><p>One experiment I wish I&#39;d tried during te movie: put the glasses on upside down, so that the image meant for the left eye goes to the right eye and vice versa.\u00a0 This should have two effects:<\/p>\n<ol>\n<li>Make you look even goofier than the other people in the room wearing 3D glasses.<\/li>\n<li>Show you the picture inverted in depth (close stuff looks far and far stuff looks close).<\/li>\n<\/ol>\n<p>If you try this during a 3D movie, let me know if it works (particularly #2 \u20ac\u201d I&#39;m pretty confident about #1).<\/p><\/blockquote>\n<p>As every theoretical physicist knows, there&#8217;s a danger in making predictions: someone will go out and do the experiment.\u00a0 My friend Tim Savage <a href=\"http:\/\/blog.richmond.edu\/physicsbunn\/2010\/01\/20\/how-3d-movies-really-work\/\">comments<\/a><\/p>\n<blockquote><p>Ted, we went to see the 3-D version of &quot;Cloudy with a Chance of Meatballs&quot; yesterday, so I tried your experiment of turning the glasses upside down. I&#39;m sorry to report that you were wrong. It doesn&#39;t reverse the depth, it just flattens things out a bit. That is to say, the things that are supposed to be forward are still forward, just not as much so, although a little bit more than in a traditional 2-D picture. It does give you a headache if you try it several times, though.<\/p><\/blockquote>\n<p>A crushing blow.<\/p>\n<p>Even stranger because I&#8217;ve subsequently read a bunch of things, including this <a href=\"http:\/\/scitation.aip.org\/getabs\/servlet\/GetabsServlet?prog=normal&amp;id=PHTEAH000047000007000456000001&amp;idtype=cvips&amp;gifs=yes\">article<\/a> in <em>The Physics Teacher<\/em>, indicating that the model I described was more or less right.\u00a0\u00a0 I&#8217;m at a loss to explain the data at the moment.\u00a0 I think I&#8217;ll have to go see another 3D movie to see if I can reproduce Tim&#8217;s result.<\/p>\n<p>Any further experimental data or theoretical insight will be gladly welcomed.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A while ago, I wrote a bit about how 3D movies work.\u00a0 One thing I said was One experiment I wish I&#39;d tried during te movie: put the glasses on upside down, so that the image meant for the left eye goes to the right eye and vice versa.\u00a0 This should have two effects: Make &hellip; <a href=\"https:\/\/blog.richmond.edu\/physicsbunn\/2010\/02\/25\/3d-again\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">3D again<\/span><\/a><\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-206","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/blog.richmond.edu\/physicsbunn\/wp-json\/wp\/v2\/posts\/206","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.richmond.edu\/physicsbunn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.richmond.edu\/physicsbunn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.richmond.edu\/physicsbunn\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.richmond.edu\/physicsbunn\/wp-json\/wp\/v2\/comments?post=206"}],"version-history":[{"count":0,"href":"https:\/\/blog.richmond.edu\/physicsbunn\/wp-json\/wp\/v2\/posts\/206\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.richmond.edu\/physicsbunn\/wp-json\/wp\/v2\/media?parent=206"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.richmond.edu\/physicsbunn\/wp-json\/wp\/v2\/categories?post=206"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.richmond.edu\/physicsbunn\/wp-json\/wp\/v2\/tags?post=206"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}