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Path: ...!3.eu.feeder.erje.net!feeder.erje.net!proxad.net!feeder1-2.proxad.net!usenet-fr.net!pasdenom.info!from-devjntp Message-ID: <8oeOO24dBPnEyI9KFEVYhR4Qarg@jntp> JNTP-Route: news2.nemoweb.net JNTP-DataType: Article Subject: Re: [SR and synchronization] Cognitive Dissonances and Mental Blockage References: <v9q6eu$1tlm9$1@dont-email.me> <liduroFtbroU2@mid.individual.net> <v9sh1e$2apq2$3@dont-email.me> <lig7svF8jpgU10@mid.individual.net> <v9vfe6$2qll6$10@dont-email.me> <liiprgFlcbgU3@mid.individual.net> Newsgroups: sci.physics.relativity JNTP-HashClient: WyzWHYD17aa6FnxwtZU8ANfBaHk JNTP-ThreadID: v9q6eu$1tlm9$1@dont-email.me JNTP-Uri: http://news2.nemoweb.net/?DataID=8oeOO24dBPnEyI9KFEVYhR4Qarg@jntp User-Agent: Nemo/0.999a JNTP-OriginServer: news2.nemoweb.net Date: Tue, 20 Aug 24 09:38:03 +0000 Organization: Nemoweb JNTP-Browser: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36 Injection-Info: news2.nemoweb.net; posting-host="e8cbf2474b472b9bb79db3dccb6a856bc1d05409"; logging-data="2024-08-20T09:38:03Z/8993569"; posting-account="4@news2.nemoweb.net"; mail-complaints-to="julien.arlandis@gmail.com" JNTP-ProtocolVersion: 0.21.1 JNTP-Server: PhpNemoServer/0.94.5 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-JNTP-JsonNewsGateway: 0.96 From: Richard Hachel <r.hachel@jesauspu.fr> Bytes: 3197 Lines: 57 Le 20/08/2024 à 08:02, Thomas Heger a écrit : > Am Montag000019, 19.08.2024 um 14:56 schrieb Python: > I take as example two spaceships in 1 lightseconds distance, which are > called A and B. AB = 1 lightsecond > Both have a HUGE clock strapped to that spaceship and use a VERY HUGE > telescope to read the clock of the other ship. > > > Now clock A shows 12 o'clock and zero seconds. "Now" for A. > Ship B reads this at time 12 o'clock plus 1 second, Si sa montre est synchronisée en convention Eisntein. > but turns the own > clock (showing 12 o'clock plus one seconds) back by one second. Dans ce cas, B est parfaitement synchronisé sur A, c'est à dire que B "vit" exactement dans la même simultanéité que A, dans le même instant présent que B. C'était vrai au départ, et ça l'est encore plus sur les horloges. > Now the observer of ship A reads the clock from ship B and reads 12 > o'clock plus zero seconds, while the own clock shows 12 o'clock plus one > seconds. No! J'ai reculé ma montre B d'une seconde. A me voyait déjà, lui, avec une seconde de retard. Il me voit maintenant avec deux secondes de retard. > > This is regarded as an error and the own clocks as being ahead, hence it > was turned back to 12 o'clock plus zero seconds. > > This is seen from ship B, where the own clock shows actually 12 o'clock > plus one second. This is corrected by adjustment of one second, by which > that clock is turned backwards. > > This could go on forever, while both clocks would stand still. > > But certainly this is not what you would call 'synchronization'. > > > TH > > ...