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Path: ...!feeds.phibee-telecom.net!3.eu.feeder.erje.net!feeder.erje.net!proxad.net!feeder1-2.proxad.net!usenet-fr.net!pasdenom.info!from-devjntp Message-ID: <h0OEVFxSgq2gd5cmNPUgyKg6lek@jntp> JNTP-Route: news2.nemoweb.net JNTP-DataType: Article Subject: Re: Langevin's paradox again References: <FER4K03RCuXsBiIlfVNSgR0vilQ@jntp> <FlDiO.56506$GVTf.837@fx01.ams4> <lf40ddFdu9kU3@mid.individual.net> <Qjq15Muw8aIiGRVOKV0Bu2oT9_k@jntp> <lf7ps7F1bn5U2@mid.individual.net> Newsgroups: sci.physics.relativity JNTP-HashClient: YCnDrTx7Oc6O4rGi2JUNegifhSw JNTP-ThreadID: sxhQQgyUgiiv6OcO_6O_beeL7bk JNTP-Uri: http://news2.nemoweb.net/?DataID=h0OEVFxSgq2gd5cmNPUgyKg6lek@jntp User-Agent: Nemo/0.999a JNTP-OriginServer: news2.nemoweb.net Date: Wed, 10 Jul 24 16:25:26 +0000 Organization: Nemoweb JNTP-Browser: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Injection-Info: news2.nemoweb.net; posting-host="e8cbf2474b472b9bb79db3dccb6a856bc1d05409"; logging-data="2024-07-10T16:25:26Z/8942037"; 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@tiscali.fr> Bytes: 2657 Lines: 33 Le 10/07/2024 à 18:06, Thomas Heger a écrit : > > Actually I have not read Langvin's paper, but a paper about Langvin's > paradox: > "Langevin's twin paradox and the forwards and backwards movement of a > rotating cylinder experiment" > > https://hal.science/hal-01003084v1 > > So, possibly, there is a difference between the origional and the quote. > > >> This is where the paradox lies. > > I personally think, that velocity is irrelevant for 'time-dilation', > while acceleration is not. > > So I have problems with the 'twin paradox' per se. > > TH Everyone has problems with the Langevin paradox, since for 120 years, no one (except Doctor Hachel) has ever succeeded in explaining it and showing that the theory of special relativity well explained (and not by the physics teachers who teach Minkowski space-time) is simple, coherent and logical. So everyone starts saying anything, explaining anything, and behaving in any way. We arrive at a problem which is more of a religious nature than a scientific one, and it is simply incredible. “We don’t want this man to rule over us.” Scientifically, what is happening is simply incredible. R.H.