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From: hitlong@yahoo.com (gharnagel)
Newsgroups: sci.physics.relativity
Subject: Re: Sync two clocks
Date: Tue, 20 Aug 2024 02:26:00 +0000
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On Tue, 20 Aug 2024 0:35:42 +0000, Richard Hachel wrote:
>
> Le 20/08/2024 à 01:33, hitlong@yahoo.com (gharnagel) a écrit :
> >
> > If tAB = tBA, then Paul's procedure works.  If tAB <> tBA,
> > then your point M method won't work either.
>
>  If we synchronize on an abstract point M placed at an equal
> distance from A, B, C, D, E, we obtain for E a plane of the
> present time where A, B,C,D and E are simultaneously located.

Richard, Richard, Richard!  If tAB <> tBA, your method won't
work  Breath, blow, and THINK!  Given

A ___________ M ___________ B

If tAB <> tBA, then tAM <> tMB and A and B won't be synchronized.

If, OTOH tMA = tMB, then tAB = tBA.

> ....
> The universal present does not exist!!!

I see no justification for your insistence on this canard.  Your
protestation that the GPS isn't "real" synchronization has no
factual basis.

“If it’s stupid but it works, it isn’t stupid.” -- Naval Ops Manual

> I repeat again, even if it must be said with knees in the testicles,
> and big slaps in the snout.

Owww!

> "Your stupid present tense doesn't exist." I will never understand
> this blockage for a concept that I thought was understandable for
> an eleven-year-old child, and which seems to block everyone.
>
> R.H.

Even a child knows that the present tense can exist elsewhere.
Even Wozniak and the GPS agree that "t' = t."  It's not stupid,
but even if it were stupid but it works, it's not stupid.  It's
real.