Path: ...!news.mixmin.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: Python <python@invalid.org>
Newsgroups: sci.physics.relativity
Subject: Re: [SR and synchronization] Cognitive Dissonances and Mental
 Blockage
Date: Sat, 31 Aug 2024 12:30:07 +0200
Organization: CCCP
Lines: 52
Message-ID: <vaurbf$vnpj$2@dont-email.me>
References: <v9q6eu$1tlm9$1@dont-email.me> <liduroFtbroU2@mid.individual.net>
 <vah9hs$2c43u$1@dont-email.me> <lj56luFe0luU3@mid.individual.net>
 <M4vxPZKxPU6U7NDCGNWCGCM0lRc@jntp> <ljahm9F9dfdU2@mid.individual.net>
 <vapd5l$3tffr$1@dont-email.me> <ljd51mFl74gU4@mid.individual.net>
 <vas655$e2la$2@dont-email.me> <ljfq00F34jeU2@mid.individual.net>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 8bit
Injection-Date: Sat, 31 Aug 2024 12:30:08 +0200 (CEST)
Injection-Info: dont-email.me; posting-host="0bc100f5050f6c852213e21dd186125e";
	logging-data="1040179"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX18v41n3+ZJSG+YzUkv7JmlQ"
User-Agent: Mozilla Thunderbird
Cancel-Lock: sha1:1ld/addzxsPJBcnsadBVH/qVEPo=
In-Reply-To: <ljfq00F34jeU2@mid.individual.net>
Content-Language: en-US
Bytes: 3202

Le 31/08/2024 à 08:03, Thomas Heger a écrit :
> Am Freitag000030, 30.08.2024 um 12:16 schrieb Python:
>> Le 30/08/2024 à 07:53, Thomas Heger a écrit :
>>> Am Donnerstag000029, 29.08.2024 um 10:57 schrieb Python:
>> ...
>>>>> But Einstein, however, had not written about a symmetric system of 
>>>>> clock synchronization.
>>>>
>>>> Liar!
>>>>
>>>> « We assume that this definition of synchronism is free from 
>>>> contradictions, and possible for any number of points; and that the 
>>>> following relations are universally valid:
>>>>
>>>> 1.    *If the clock at B synchronizes with the clock at A, the clock 
>>>> at A synchronizes with the clock at B*.
>>>>
>>>> 2.    If the clock at A synchronizes with the clock at B and also 
>>>> with the clock at C, the clocks at B and C also synchronize with 
>>>> each other.
>>>> »
>>>>
>>>> What is point 1. if not *symmetry*?
>>>
>>> See here for instance:
>>>
>>> https://www.youtube.com/watch?v=nCGuhcrb-qM
>>>
>>> This is a video in German about Einstein's simultaneity , but you 
>>> will certainly find something equivalent in English.
>>>
>>> The trick of Einstein's method was an extra-observer in the middle 
>>> between the two ends of a longish train.
>>>
>>> Now this system would not require to correct the delay 'by hand'.
>>>
>>> And this method was apparently meant by Einstein himself.
>>
>> This video is in NO WAY describing a synchronization procedure ! It
>> actually assumes that clocks (both on train and platform) has been
>> synchronized. This video is illustrating the relativity of simultaneity.
> 
> This 'relativity of simultaneity' is based on observations by an 
> observer in the middle between A and B.
> 
> So, Einstein used this setting and related time the observations of an 
> observer in the middle.

This. is. a. plain. LIE.