{"id":13496,"date":"2013-03-04T09:07:41","date_gmt":"2013-03-04T14:07:41","guid":{"rendered":"http:\/\/ssgreenberg.name\/PoliticsBlog\/?p=13496"},"modified":"2013-03-04T23:32:33","modified_gmt":"2013-03-05T04:32:33","slug":"schrodingers-cat-found-alive-after-78-years","status":"publish","type":"post","link":"https:\/\/ssgreenberg.name\/PoliticsBlog\/2013\/03\/04\/schrodingers-cat-found-alive-after-78-years\/","title":{"rendered":"Schr\u00f6dinger&#8217;s Cat Found Alive After 78 Years"},"content":{"rendered":"<p>The <em>TG Daily<\/em> has the article <a title=\"TG Daily article\" href=\"http:\/\/www.tgdaily.com\/general-science-brief\/69893-schr-dingers-cat-could-be-visible-after-all\" target=\"_blank\"><strong>Schr\u00f6dinger&#8217;s Cat could be visible after all<\/strong><\/a>.<\/p>\n<blockquote><p>Researchers at the University of Rochester and the University of Ottawa have used a comparatively new technique to directly measure for the first time the polarization states of light. Their work has implications for the weird Uncertainty Principle, which states that certain properties of a quantum system can be known only poorly if other related properties are known precisely.<\/p><\/blockquote>\n<p>It is hard to figure out what is really going on here in an article written in the popular press, but it is an intriguing possibility that big changes are coming in the field of quantum physics.<\/p>\n<p>According to <a title=\"WikiPedia entry\" href=\"http:\/\/en.wikipedia.org\/wiki\/Schr%C3%B6dinger%27s_cat\" target=\"_blank\"><strong>WikiPedia <\/strong><\/a><\/p>\n<blockquote><p>Schr\u00f6dinger&#8217;s cat is a thought experiment, sometimes described as a paradox, devised by Austrian physicist Erwin Schr\u00f6dinger in 1935.<\/p><\/blockquote>\n<p>That&#8217;s how I figured that the cat had last been seen 78 years ago.<\/p>\n<p>Maybe the article <a title=\"The National Post article\" href=\"http:\/\/news.nationalpost.com\/2013\/03\/04\/canadian-researchers-take-a-sneak-peek-at-schrodingers-cat-and-a-step-toward-a-quantum-computer\/\" target=\"_blank\"><strong>Canadian researchers take a sneak peek at Schr\u00f6dinger\u2019s Cat and a step toward a quantum computer<\/strong><\/a> in the Canadian <em>National Post<\/em> will add a bit more to understanding this.<\/p>\n<blockquote><p>\u201cI can\u2019t say that we\u2019re getting around the Uncertainty limit, because within quantum mechanics there is no getting around it,\u201d said Mr. Salvail.He cautioned that explaining such things in words risks \u201closing the subtleties that are captured in the mathematical expression\u201d of the theory.<\/p>\n<p>\u201cWe\u2019ve kind of gone back and exploited the subtleties in the Uncertainty Principle,\u201d he said. \u201cIt\u2019s strange, but so fascinating.\u201d<\/p><\/blockquote>\n<hr \/>\n<p>I have read the above WikiPedia link more thoroughly now.\u00a0 Even though I had previously read a book (twice) about\u00a0 Schr\u00f6dinger&#8217;s Cat, I don&#8217;t remember reading the explanations of why it wasn&#8217;t a problem at all.\u00a0\u00a0 It seems so obvious now that a Geiger counter is the very measurement that collapses the wave function and eliminates the uncertainty.\u00a0 I can&#8217;t understand why Einstein and Schr\u00f6dinger would have such a long discussion about this thought experiment.\u00a0 If there is no conceivable way to measure whether or not the event happened in order to trigger a macroscopic event, then there is no paradox.<\/p>\n<p>I have to keep in mind the quote above,\u00a0 &#8216;explaining such things in words risks \u201closing the subtleties that are captured in the mathematical expression\u201d&#8217;.\u00a0 There must be some subtleties that I am missing here that kept Einstein and Schr\u00f6dinger occupied for so long with this seeming paradox.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The TG Daily has the article Schr\u00f6dinger&#8217;s Cat could be visible after all. Researchers at the University of Rochester and the University of Ottawa have used a comparatively new technique to directly measure for the first time the polarization states of light. Their work has implications for the weird Uncertainty Principle, which states that certain [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[166],"tags":[],"class_list":{"0":"post-13496","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-stevegsposts","7":"czr-hentry"},"_links":{"self":[{"href":"https:\/\/ssgreenberg.name\/PoliticsBlog\/wp-json\/wp\/v2\/posts\/13496","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ssgreenberg.name\/PoliticsBlog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ssgreenberg.name\/PoliticsBlog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ssgreenberg.name\/PoliticsBlog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ssgreenberg.name\/PoliticsBlog\/wp-json\/wp\/v2\/comments?post=13496"}],"version-history":[{"count":4,"href":"https:\/\/ssgreenberg.name\/PoliticsBlog\/wp-json\/wp\/v2\/posts\/13496\/revisions"}],"predecessor-version":[{"id":13498,"href":"https:\/\/ssgreenberg.name\/PoliticsBlog\/wp-json\/wp\/v2\/posts\/13496\/revisions\/13498"}],"wp:attachment":[{"href":"https:\/\/ssgreenberg.name\/PoliticsBlog\/wp-json\/wp\/v2\/media?parent=13496"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ssgreenberg.name\/PoliticsBlog\/wp-json\/wp\/v2\/categories?post=13496"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ssgreenberg.name\/PoliticsBlog\/wp-json\/wp\/v2\/tags?post=13496"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}