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From: Mikko <mikko.levanto@iki.fi>
Newsgroups: sci.physics.relativity
Subject: Re: the notion of relativity of simultaneity
Date: Sun, 13 Oct 2024 11:59:11 +0300
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On 2024-10-12 11:56:56 +0000, Richard Hachel said:

> Le 12/10/2024 à 11:05, Mikko a écrit :
>> 
>>> This is actually not true, because the world which SRT describes isn't 
>>> the world we live in.
>> 
>> A failed attempt is still an attempt. Therefore your "because" is wrong.
>> SR is an attempt to describe the world. Later it was found out that the
>> world is different but that does not affect what SR is.
>> 
>>> SRT is about a world, where all thinfgs drift around in a dark and 
>>> starless void,
>> 
>> No, it is not. SR is about the geometry of the world, not about its matter
>> content except that the matter content must be compatible with the geometry.
> 
> SR is first and foremost an attempt to explain the Michelson-Morley experiment.

No, it is not. That experiment is not even mentioned in the original
article. From other sources it is known that the Fizeau experiment
was more important to Einstein but in the original article isn't
mentioned, either. Apparently his intent was to understand the world
and the Fizeau experiment was just a clue (and the Michelson-Morley
experiment possibly another clue). The main problem was that Maxwell's
equations are not compatible with the principle of relativity and that
was the problem that Einstein solved.

-- 
Mikko