{"id":172,"date":"2009-04-08T00:38:00","date_gmt":"2009-04-08T00:38:00","guid":{"rendered":"http:\/\/www.dresan.com\/blog\/?p=172"},"modified":"2009-04-08T00:38:00","modified_gmt":"2009-04-08T00:38:00","slug":"gravity-wave-lasers-and-faster-than-light","status":"publish","type":"post","link":"https:\/\/dresan.com\/blog\/2009\/04\/08\/gravity-wave-lasers-and-faster-than-light\/","title":{"rendered":"Gravity Wave Lasers and Faster Than Light"},"content":{"rendered":"<p>If only <a href=\"http:\/\/arxiv.org\/abs\/0903.0661\">the theory<\/a> mentioned in <a href=\"http:\/\/www.technologyreview.com\/blog\/arxiv\/23198\/\">this article<\/a> were true&#8230;<\/p>\n<blockquote><p>Chiao and co ask how big is this effect of a gravitational wave on a thin superconducting sheet compared to the effect on an ordinary conducting sheet. The answer? <span style=\"font-weight:bold;\">42 orders of magnitude bigger<\/span>.<\/p><\/blockquote>\n<p>&#8230;then just by putting two superconducting sheets together we would have gravity wave lasers.  They&#8217;d probably be practical within twenty years, and Lord knows what we&#8217;d have within a hundred.  Unfortunately this probably violates <a href=\"http:\/\/en.wikipedia.org\/wiki\/Equivalence_principle\">the equivalence principle<\/a> and is <a href=\"http:\/\/www.bautforum.com\/astronomy\/86299-gravitational-waves-answer-42-a.html\">likely nonsense<\/a>:<\/p>\n<blockquote><p>First, Chaio assumes that coopers pairs fall differently than normal matter in a gravitational field&#8230;which basically means violation of Equivalence Principle&#8230;.and there is <span style=\"font-weight:bold;\">no physical evidence for that assumption<\/span>&#8230;.neither does he give a rigorous treatment to prove that ASSUMPTION.<\/p><\/blockquote>\n<p>In other news, scientists studying the <a href=\"http:\/\/en.wikipedia.org\/wiki\/Alcubierre_drive\">Alcubierre warp drive<\/a> have found yet another way it would not work: in addition to being <a href=\"http:\/\/arxiv.org\/abs\/gr-qc\/9702026\">unstable<\/a>, <a href=\"http:\/\/arxiv.org\/abs\/gr-qc\/9511068\">non-steerable<\/a>, <a href=\"http:\/\/omnis.if.ufrj.br\/~mbr\/warp\/etc\/cqg15_2523.pdf\">non-startable<\/a>, and <a href=\"http:\/\/arxiv.org\/PS_cache\/gr-qc\/pdf\/0107\/0107097v2.pdf\">requiring planet-sized masses<\/a> of <a href=\"http:\/\/www.bibliotecapleyades.net\/ciencia\/negativeenergy\/negativeenergy.htm\">unobtainable negative energy<\/a>, it would also <a href=\"http:\/\/www.universetoday.com\/2009\/04\/03\/warp-drives-probably-impossible-after-all\/\">cook the occupants as soon as you exceeded the speed of light<\/a>.<\/p>\n<p>Sigh.<br \/>-the Centaur<\/p>\n","protected":false},"excerpt":{"rendered":"<p>If only the theory mentioned in this article were true&#8230; Chiao and co ask how big is this effect of a gravitational wave on a thin superconducting sheet compared to&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[19],"class_list":["post-172","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-hard-science","ratio-2-1","entry"],"_links":{"self":[{"href":"https:\/\/dresan.com\/blog\/wp-json\/wp\/v2\/posts\/172","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dresan.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dresan.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dresan.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/dresan.com\/blog\/wp-json\/wp\/v2\/comments?post=172"}],"version-history":[{"count":0,"href":"https:\/\/dresan.com\/blog\/wp-json\/wp\/v2\/posts\/172\/revisions"}],"wp:attachment":[{"href":"https:\/\/dresan.com\/blog\/wp-json\/wp\/v2\/media?parent=172"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dresan.com\/blog\/wp-json\/wp\/v2\/categories?post=172"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dresan.com\/blog\/wp-json\/wp\/v2\/tags?post=172"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}