{"id":6005,"date":"2012-09-08T14:23:52","date_gmt":"2012-09-08T19:23:52","guid":{"rendered":"http:\/\/bucktownbell.com\/?p=6005"},"modified":"2012-09-08T14:24:38","modified_gmt":"2012-09-08T19:24:38","slug":"quantum-test-pricks-uncertainty","status":"publish","type":"post","link":"http:\/\/bucktownbell.com\/?p=6005","title":{"rendered":"Quantum test pricks uncertainty"},"content":{"rendered":"<blockquote><p>Heisenberg&#8217;s uncertainty principle, as it came to be known later, started as an assertion that when trying to measure one aspect of a particle precisely, say its position, experimenters would necessarily &#8220;blur out&#8221; the precision in its speed.<\/p>\n<p>That raised the spectre of a physical world whose nature was, beyond some fundamental level, unknowable.<\/p><\/blockquote>\n<p>via <a href=\"http:\/\/www.bbc.co.uk\/news\/science-environment-19489385\">BBC News &#8211; Quantum test pricks uncertainty<\/a>.<\/p>\n<blockquote><p>Photons can be prepared in pairs which are inextricably tied to one another, in a delicate quantum state called <strong>entanglement<\/strong>, and the weak measurement idea is to infer information about them as they pass, before and after carrying out a formal measurement.<\/p>\n<p>What the team found was that the act of measuring did not appreciably &#8220;blur out&#8221; what could be known about the pairs.<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>Heisenberg&#8217;s uncertainty principle, as it came to be known later, started as an assertion that when trying to measure one aspect of a particle precisely, say its position, experimenters would necessarily &#8220;blur out&#8221; the precision in its speed. That raised &hellip; <a href=\"http:\/\/bucktownbell.com\/?p=6005\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[737],"tags":[807,100,802],"class_list":["post-6005","post","type-post","status-publish","format-standard","hentry","category-stem","tag-heisenberg","tag-interesting-research","tag-quantum-mechanics"],"_links":{"self":[{"href":"http:\/\/bucktownbell.com\/index.php?rest_route=\/wp\/v2\/posts\/6005","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/bucktownbell.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/bucktownbell.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/bucktownbell.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/bucktownbell.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6005"}],"version-history":[{"count":2,"href":"http:\/\/bucktownbell.com\/index.php?rest_route=\/wp\/v2\/posts\/6005\/revisions"}],"predecessor-version":[{"id":6007,"href":"http:\/\/bucktownbell.com\/index.php?rest_route=\/wp\/v2\/posts\/6005\/revisions\/6007"}],"wp:attachment":[{"href":"http:\/\/bucktownbell.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6005"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/bucktownbell.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6005"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/bucktownbell.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6005"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}