{"id":44846,"date":"2014-09-03T00:52:44","date_gmt":"2014-09-03T06:52:44","guid":{"rendered":"http:\/\/hill-kleerup.org\/blog\/2014\/09\/03\/a-sound-of-quantum-thunder.html"},"modified":"2014-09-15T14:48:35","modified_gmt":"2014-09-15T20:48:35","slug":"a-sound-of-quantum-thunder","status":"publish","type":"post","link":"https:\/\/hill-kleerup.org\/blog\/2014\/09\/03\/a-sound-of-quantum-thunder.html","title":{"rendered":"A Sound of (Quantum) Thunder"},"content":{"rendered":"<p>Apparently you can use quantum mechanics to resolve the Grandfather Paradox, i.e., you travel into the past, kill your grandfather, and thus prevent yourself from being born (in which case, nobody traveled into the past to kill your grandfather (in which case, etc.)).<\/p>\n<p>I&#39;m going to vote in favor, just because time travel and parallel universe SF stories are so much fun.<\/p>\n<blockquote class=\"sm2wp\"><p>\n<a href='http:\/\/www.scientificamerican.com\/article\/time-travel-simulation-resolves-grandfather-paradox'><br \/>\n<img style='display:block;' src='https:\/\/lh4.googleusercontent.com\/proxy\/2B2wtCLoJFwoBdeaKIuKXTUFqRmwj8CHxWbL3HwOn0iRnqWJnZ8QtiKdmpT1gArsgY_DwEd2KhbFBaZnWsZ1HnzwUF4gHFqP3aKlbTM0MA6HcR2XfXu7ZozmhS7VHP23jaGM9tKu2Qt0YR687hB1WFa5Tu1k9itA=w120-h120' border='0' \/><br \/>\nTime Travel Simulation Resolves &ldquo;Grandfather Paradox&rdquo;<br \/>\n<\/a><br \/>\nWhat would happen to you if you went back in time and killed your grandfather? A model using photons reveals that quantum mechanics can solve the quandary&mdash;and even foil quantum cryptography\n<\/p><\/blockquote>\n<p><font size=\"2\"><a href='https:\/\/plus.google.com\/101083456815352083930\/posts\/a15wLd2GgRa'>View on Google+<\/a><\/font><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Apparently you can use quantum mechanics to resolve the Grandfather Paradox, i.e., you travel into the past, kill your grandfather, and thus prevent yourself from being born (in which case, nobody traveled into the past to kill your grandfather (in which case, etc.)). I&#39;m going to vote in favor, just because time travel and parallel &hellip; <a href=\"https:\/\/hill-kleerup.org\/blog\/2014\/09\/03\/a-sound-of-quantum-thunder.html\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;A Sound of (Quantum) Thunder&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[106,6],"tags":[],"class_list":["post-44846","post","type-post","status-publish","format-standard","hentry","category-plusposts","category-science"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":32292,"url":"https:\/\/hill-kleerup.org\/blog\/2013\/01\/23\/i-use-a-quantum-ratchet-now-quantum-ratchets-are-cool.html","url_meta":{"origin":44846,"position":0},"title":"I use a quantum ratchet now. Quantum ratchets are cool","author":"***Dave","date":"Wed 23-Jan-13 9:35am","format":false,"excerpt":"I just love the phrase \"quantum ratchet.\" \u00a0Plus, cool weird science.Reshared post from +Ars Technica Embedded Link A magnetic quantum ratchet made of graphene turns AC to DC Graphene's orbitals shift to allow current to flow in only one direction. Google+: View post on Google+","rel":"","context":"In &quot;~PlusPosts&quot;","block_context":{"text":"~PlusPosts","link":"https:\/\/hill-kleerup.org\/blog\/category\/blogging\/plusposts"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":45121,"url":"https:\/\/hill-kleerup.org\/blog\/2014\/09\/11\/rt-badastronomer-a-quantum-w.html","url_meta":{"origin":44846,"position":1},"title":"RT @BadAstronomer: A quantum w&#8230;","author":"***Dave","date":"Thu 11-Sep-14 11:59am","format":false,"excerpt":"RT @BadAstronomer: A quantum wavefront walks into a bar. It says to the bartender, \"Man, I've been *everywhere* today!\" and collapses.","rel":"","context":"In &quot;~Tweets&quot;","block_context":{"text":"~Tweets","link":"https:\/\/hill-kleerup.org\/blog\/category\/blogging\/tweets"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":4999,"url":"https:\/\/hill-kleerup.org\/blog\/2003\/11\/18\/spooky.html","url_meta":{"origin":44846,"position":2},"title":"Spooky","author":"***Dave","date":"Tue 18-Nov-03 7:58am","format":false,"excerpt":"Your soul is bound to the Third Totem, Grandfather Thunder: The Raven. Grandfather Thunder appears as a flock of ultramarine ravens. He embodies reverence, leadership, honor, and inspiration. He...","rel":"","context":"In &quot;Personality Tests&quot;","block_context":{"text":"Personality Tests","link":"https:\/\/hill-kleerup.org\/blog\/category\/personal\/personality-tests"},"img":{"alt_text":"Raven","src":"\/blog\/images\/ptest\/raven.jpg","width":350,"height":200},"classes":[]},{"id":25223,"url":"https:\/\/hill-kleerup.org\/blog\/2012\/01\/09\/it-naturally-uses-quantum-magnetism-to-help-your-body-rid-itself-of-toxins.html","url_meta":{"origin":44846,"position":3},"title":"It Naturally Uses Quantum Magnetism to Help Your Body Rid Itself of Toxins!","author":"***Dave","date":"Mon 9-Jan-12 3:44pm","format":false,"excerpt":"Heh. You could get a start on a nice bingo board from this. #ddtbReshared post from +Sci-\u0259nce!New and Improved! v2.0 of the Red Flags of Quackery is here! Embedded Link The Red Flags of Quackery v2 | Sci-ence! A Skeptical Comic and Blog. Spot charlatans and pseudoscience from a mile\u2026","rel":"","context":"In &quot;~PlusPosts&quot;","block_context":{"text":"~PlusPosts","link":"https:\/\/hill-kleerup.org\/blog\/category\/blogging\/plusposts"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":7175,"url":"https:\/\/hill-kleerup.org\/blog\/2004\/10\/14\/the_wolves.html","url_meta":{"origin":44846,"position":4},"title":"The Wolves","author":"***Dave","date":"Thu 14-Oct-04 7:32am","format":false,"excerpt":"An old story retold over at Mama Write: An old grandfather said to his grandson who came in to him with anger at a friend who had done him an...","rel":"","context":"In &quot;Politics &amp; Law&quot;","block_context":{"text":"Politics &amp; Law","link":"https:\/\/hill-kleerup.org\/blog\/category\/politics-law"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":515,"url":"https:\/\/hill-kleerup.org\/blog\/2001\/09\/27\/beam_me_up_scot.html","url_meta":{"origin":44846,"position":5},"title":"&#8220;Beam me up, Scotty.&#8221;","author":"***Dave","date":"Thu 27-Sep-01 3:31pm","format":false,"excerpt":"\"Beam me up, Scotty.\" Fun news article on still more quantum teleportation advances. Anything that Einstein referred to as \"spooky\" has got to be fun. (via Xkot)...","rel":"","context":"In &quot;Science &amp; Nature&quot;","block_context":{"text":"Science &amp; Nature","link":"https:\/\/hill-kleerup.org\/blog\/category\/science"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"_links":{"self":[{"href":"https:\/\/hill-kleerup.org\/blog\/wp-json\/wp\/v2\/posts\/44846","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hill-kleerup.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hill-kleerup.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hill-kleerup.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hill-kleerup.org\/blog\/wp-json\/wp\/v2\/comments?post=44846"}],"version-history":[{"count":1,"href":"https:\/\/hill-kleerup.org\/blog\/wp-json\/wp\/v2\/posts\/44846\/revisions"}],"predecessor-version":[{"id":44848,"href":"https:\/\/hill-kleerup.org\/blog\/wp-json\/wp\/v2\/posts\/44846\/revisions\/44848"}],"wp:attachment":[{"href":"https:\/\/hill-kleerup.org\/blog\/wp-json\/wp\/v2\/media?parent=44846"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hill-kleerup.org\/blog\/wp-json\/wp\/v2\/categories?post=44846"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hill-kleerup.org\/blog\/wp-json\/wp\/v2\/tags?post=44846"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}