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From: "Paul B. Andersen" <relativity@paulba.no>
Newsgroups: sci.physics.relativity
Subject: Re: ? ? ?
Date: Sun, 7 Apr 2024 13:12:04 +0200
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Den 24.02.2024 13:59, skrev Richard Hachel:
> 
> But this notion of simultaneity, that is to say of a common present 
> moment, does not exist for all of the points between them.
> 
> This universal belief is false.
> 
> To put it better, it is an abstract idea.
> 
> We will never be able to "absolutely" agree two points separated by a 
> distance, even fixed between them, it is impossible, they do not have 
> the same notion of the universal present.

Doctor Richard Hachel yet again in his awkward way states
what nobody disputes, there is no such thing as absolute simultaneity.

But his consequences of this fact are rather interesting!

> 
> We can only synchronize virtually, and abstractly, and only on another 
> point.
> 
> This is what happens with GPS. We synchronize, in fact, on a point 
> placed in a fourth dimension, and equidistant from all the points of the 
> 3D reference frame considered.
> 
> I am surprised that few people understand this obvious fact.

Well said from the point in the fourth dimension with
with coordinate (24.02.2024 13:59).

-- 
Paul

https://paulba.no/