Re: The problem of relativistic synchronisation

On Sat, 24 Aug 2024 11:28:28 +0000, Richard Hachel wrote:

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Le 24/08/2024 à 04:26, hitlong@yahoo.com (gharnagel) a écrit :

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Richard Hachel wrote:

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We will not be able to always remain in Minkowskian belief, the
absurdity will fall.
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R.H.

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Perhaps, but Minkowski spacetime will remain an approximation to
reality.

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Absolutely not.

Absolutely so, just like Newtonian physics is an approximation to
reality, just as SR is an approximation to reality, just as GR is.

When we see the stupidity and deformity of this interpretation of
Poincaré's equations, there will not be enough left to fill the shard of
a bottle.
I recall the terrible deformities of Minkowskian relativity in the face
of what Dr. Hachel says, if we take for example the example of Hachel's
Tau Ceti traveler (we send a rocket with an acceleration of 10m/s² to
Tau Ceti to travel the 12 light years that separate us from the star),
we have in Minkowski mode a proper time of about 3.5 years, against
4,776 years in Hachel.

That has nothing to do with Minkowski.  It comes from SR whole cloth.
https://en.wikipedia.org/wiki/Space_travel_under_constant_acceleration#:~:text=The%20distance%20traveled%2C%20under%20constant%20proper%20acceleration%2C%20from,9%5D%20where%20c%20is%20the%20speed%20of%20light.
That is, it comes from the LT equations applied to the problem.
I must regretfully inform you that your calculation is incorrect.