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From: Python <python@invalid.org>
Newsgroups: sci.physics.relativity
Subject: Re: [SR and synchronization] Cognitive Dissonances and Mental
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Date: Sun, 1 Sep 2024 14:33:34 +0200
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Le 01/09/2024 à 08:47, Thomas Heger a écrit :
> Am Samstag000031, 31.08.2024 um 09:44 schrieb Athel Cornish-Bowden:
>> On 2024-08-31 06:03:20 +0000, Thomas Heger said:
>>
>>>
>>> [ … ]
>>>
>>> This 'relativity of simultaneity' is based on observations by an 
>>> observer in the middle between A and B.
>>>
>>> So, Einstein used this setting
>>
>> One of your lies?
>>
>>>  and related time the observations of an observer in the middle.
>>>
> No, not really...
> 
> Many textbooks about relativity use the picture of a train with one 
> observer on the banks of the track and one within the train.
> 
> These observers are usually placed in the middle between two 
> simultaneous events at both ends of the train.
> 
> Now the man on the bank has kind of special mirror, which allow him to 
> see both flashes at the same time.
> 
> Then relativity of simultaneity is explained as different observations 
> on the bank and in the train.

Right (somewhat). So, definitely, this scheme is about illustrating the
relativity of simultaneity, NOT clocks synchronization.

> But I would require to remove the delay, caused by the finite speed of 
> light, what would make both observations equal.
> 
> And as far as I call tell, Einstein used the picture from above, because 
> he made no attempts to remove the delay.

NO ! As far as YOU can tell (if you were an honest person) YOU KNOW that
the delay is taken into account : t_B = t'_A - (AB)/c (it *is* removed).

> His concept would allow to synchronize clocks, too, but only two clocks 
> at a time.

NO. Einstein wrote EXPLICITLY that the relation "being synchronized" is
symmetric, reflexive and transitive. This means that it can be
generalized to an arbitrary number of clocks.

STOP LYING THOMAS!


> [snip demented nonsense]