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From: Thomas Heger <ttt_heg@web.de>
Newsgroups: sci.physics.relativity
Subject: Re: the notion of relativity of simultaneity
Date: Tue, 1 Oct 2024 08:52:16 +0200
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Am Dienstag000001, 01.10.2024 um 02:34 schrieb Python:
> Le 01/10/2024 à 00:52, Richard "Hachel" Lengrnd a écrit :
>> One of the most fundamental problems in the history of humanity and 
>> the very basis of the notion of relativity of simultaneity: how to 
>> synchronize two watches so that they give the same time at the same 
>> present moment?
>>
>> A little explanation would have been welcome.
>>
>> Of course, in a Newtonian universe, it is not difficult.
>>
>> But in a relativistic universe where each observer has his own 
>> hyperplane of present time?
> 
> What do you mean by "hyperlane"?

The set of all points, which could be connected to an events by a 
hypothetical signal with infinite velocity builds actually a three 
dimensional space.

In RT-lingo, this is a hyperplane (of the present).

Imagine you would 'flatten' space to a 2-dimensional sheet.


TH

> ...