{"id":391,"date":"2022-01-19T07:33:25","date_gmt":"2022-01-19T07:33:25","guid":{"rendered":"https:\/\/qpr.ca\/blogs\/physics\/?p=391"},"modified":"2022-01-19T07:37:26","modified_gmt":"2022-01-19T07:37:26","slug":"3-alan-coopers-answer-to-how-can-a-moving-faster-observer-see-a-stationary-clock-running-slower-when-it-doesnt-e-specially-when-his-really-does-all-the-youtube-videos-about-the-twin-parad","status":"publish","type":"post","link":"https:\/\/qpr.ca\/blogs\/physics\/2022\/01\/19\/3-alan-coopers-answer-to-how-can-a-moving-faster-observer-see-a-stationary-clock-running-slower-when-it-doesnt-e-specially-when-his-really-does-all-the-youtube-videos-about-the-twin-parad\/","title":{"rendered":"(3) Alan Cooper’s answer to How can a moving\/faster observer see a ‘stationary’ clock running slower, when it doesn’t, e\/specially when his really does? All the YouTube videos about the Twin Paradox say so. In what sort of universe is that possible? – Quora"},"content":{"rendered":"

The relativity principle does NOT say that\u00a0all\u00a0frames are equivalent, just the inertial (unaccelerated) ones. In the twin \u201cparadox\u201d situation, the traveler and stay-at-home both figure that the other is ageing more slowly\u00a0while their relative velocity is constant<\/em> but when the traveler turns around he or she figures that the stay-at-home suddenly ages much more rapidly. The two may have different explanations in mind for the effect, but when they get back together they agree on the result.<\/p>\n

Source: (3) Alan Cooper’s answer to How can a moving\/faster observer see a ‘stationary’ clock running slower, when it doesn’t, e\/specially when his really does? All the YouTube videos about the Twin Paradox say so. In what sort of universe is that possible? – Quora<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

The relativity principle does NOT say that\u00a0all\u00a0frames are equivalent, just the inertial (unaccelerated) ones. In the twin \u201cparadox\u201d situation, the traveler and stay-at-home both figure that the other is ageing more slowly\u00a0while their relative velocity is constant but when the traveler turns around he or she figures that the stay-at-home suddenly ages much more rapidly. … Continue reading (3) Alan Cooper’s answer to How can a moving\/faster observer see a ‘stationary’ clock running slower, when it doesn’t, e\/specially when his really does? All the YouTube videos about the Twin Paradox say so. In what sort of universe is that possible? – Quora<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"topics":[],"class_list":["post-391","post","type-post","status-publish","format-standard","hentry","category-all"],"_links":{"self":[{"href":"https:\/\/qpr.ca\/blogs\/physics\/wp-json\/wp\/v2\/posts\/391","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/qpr.ca\/blogs\/physics\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qpr.ca\/blogs\/physics\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qpr.ca\/blogs\/physics\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/qpr.ca\/blogs\/physics\/wp-json\/wp\/v2\/comments?post=391"}],"version-history":[{"count":3,"href":"https:\/\/qpr.ca\/blogs\/physics\/wp-json\/wp\/v2\/posts\/391\/revisions"}],"predecessor-version":[{"id":394,"href":"https:\/\/qpr.ca\/blogs\/physics\/wp-json\/wp\/v2\/posts\/391\/revisions\/394"}],"wp:attachment":[{"href":"https:\/\/qpr.ca\/blogs\/physics\/wp-json\/wp\/v2\/media?parent=391"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qpr.ca\/blogs\/physics\/wp-json\/wp\/v2\/categories?post=391"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qpr.ca\/blogs\/physics\/wp-json\/wp\/v2\/tags?post=391"},{"taxonomy":"topics","embeddable":true,"href":"https:\/\/qpr.ca\/blogs\/physics\/wp-json\/wp\/v2\/topics?post=391"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}