{"id":1178,"date":"2016-06-16T22:40:47","date_gmt":"2016-06-17T05:40:47","guid":{"rendered":"https:\/\/dubinko.info\/blog\/?p=1178"},"modified":"2016-06-16T22:40:47","modified_gmt":"2016-06-17T05:40:47","slug":"antennas-and-photons","status":"publish","type":"post","link":"https:\/\/dubinko.info\/blog\/2016\/06\/antennas-and-photons\/","title":{"rendered":"Antennas and photons"},"content":{"rendered":"<p>In the <a href=\"https:\/\/dubinko.info\/blog\/2016\/05\/08\/the-antenna-project\/\">previous article<\/a> I described how antennae work in terms of EM waves. But EM isn\u00e2\u20ac\u2122t exactly a wave. Quantum aspects require\u00c2\u00a0modeling as particles. Photons. But I can\u00e2\u20ac\u2122t really figure out how a photon traveling through space gets converted into an electron current in a wire. There are some cases where treating EM as waves really seems simpler.<\/p>\n<p>But there are probably places where considering it as particles matters too. Like, maybe, the EM drive. Multiple independent tests have confirmed that this device, simply by bouncing microwaves around inside a specially-shaped resonator, produces thrust. Huh?<\/p>\n<p>A <a href=\"http:\/\/www.sciencealert.com\/new-paper-claims-that-the-em-drive-doesn-t-defy-newton-s-3rd-law-after-all\">new paper suggests<\/a> a theoretical model where this doesn\u00e2\u20ac\u2122t violate Newton\u00e2\u20ac\u2122s 3rd law. But the explanation involves paired up out-of-phase photons. Are there existing technologies or experiments where this phenomonon takes place?<\/p>\n<p>I wonder if it\u00e2\u20ac\u2122s analogous in any way to <a href=\"https:\/\/en.wikipedia.org\/wiki\/Cooper_pair\">how electrons pair up<\/a>\u00c2\u00a0to manifest superconductivity\u00e2\u20ac\u00a6 Would love to hear from the Physics crowd. Add your comment below.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the previous article I described how antennae work in terms of EM waves. But EM isn\u00e2\u20ac\u2122t exactly a wave. Quantum aspects require\u00c2\u00a0modeling as particles. Photons. But I can\u00e2\u20ac\u2122t really figure out how a photon traveling through space gets converted into an electron current in a wire. There are some cases where treating EM as&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[1183],"tags":[],"class_list":["post-1178","post","type-post","status-publish","format-standard","hentry","category-electronics"],"aioseo_notices":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8eo8l-j0","_links":{"self":[{"href":"https:\/\/dubinko.info\/blog\/wp-json\/wp\/v2\/posts\/1178","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dubinko.info\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dubinko.info\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dubinko.info\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dubinko.info\/blog\/wp-json\/wp\/v2\/comments?post=1178"}],"version-history":[{"count":1,"href":"https:\/\/dubinko.info\/blog\/wp-json\/wp\/v2\/posts\/1178\/revisions"}],"predecessor-version":[{"id":1179,"href":"https:\/\/dubinko.info\/blog\/wp-json\/wp\/v2\/posts\/1178\/revisions\/1179"}],"wp:attachment":[{"href":"https:\/\/dubinko.info\/blog\/wp-json\/wp\/v2\/media?parent=1178"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dubinko.info\/blog\/wp-json\/wp\/v2\/categories?post=1178"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dubinko.info\/blog\/wp-json\/wp\/v2\/tags?post=1178"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}