Date: Sun, 14 Jul 2024 06:37:18 +0200
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Subject: Re: Langevin's paradox again
Newsgroups: sci.physics.relativity
References: <FER4K03RCuXsBiIlfVNSgR0vilQ@jntp> <FlDiO.56506$GVTf.837@fx01.ams4> <lf40ddFdu9kU3@mid.individual.net> <Qjq15Muw8aIiGRVOKV0Bu2oT9_k@jntp> <v6mlhe$21277$2@dont-email.me> <9oTvw4-YSIPb1dubtdBwcc_MeX8@jntp> <v6ojjl$2fb4i$1@dont-email.me> <acceleration-20240711150210@ram.dialup.fu-berlin.de> <4O9Y8U3gtfBKakbkPS0LmREorbI@jntp> <v6raq4$31qsh$1@dont-email.me> <CDCWsXoiHhSeIJy4YS7qQQhcHf8@jntp> <v6v2l5$3pri7$1@dont-email.me>
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W dniu 14.07.2024 o 01:34, Paul.B.Andersen pisze:
> Den 12.07.2024 15:55, skrev Richard Hachel:
>> Le 12/07/2024 à 15:24, "Paul.B.Andersen" a écrit :
>>> Den 11.07.2024 20:29, skrev Richard Hachel:
>>>>
>>>> < snip whining and heavy breathing >
>>>>
>>>>
>>>> I repeat, during the U-turn, nothing happens at all on the TIME side.
>>>
>>> Except that TIME is passing?
>>
>> Yes.
>> For Stella : tau(stella)=24 hours  tau(Terrence)=40 hours
>>
>> For Terrence : tau(Terrence)=40 hours  tau(Stella)=24 hours
> 
> Why do you write French?
> But we have Google translator.
> 
>> These values ​​are insignificant and useless to calculate to 
>> understand correctly the Langevin paradox, which has no connection 
>> with the acceleration phases, none.
> 
> Langevin's example was a constant speed out, instant turnaround,
> and constant speed back. Instant turnaround means infinite acceleration, 
> which is impossible, and will be a mathematical singularity.
> ----
> 
> Your scenario is trivially simple. Measured in Terrence's inertial


Fortunately, we have GPS now, so we
can be absolutely sure your scenario
tales have nothing in common with real
clocks, real observers or real anything.