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Subject: Langevin's paradox again
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Date: Thu, 04 Jul 24 13:30:16 +0000
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From: Richard Hachel <r.hachel@wanadou.fr>
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Langevin's paradox.
The Langevin paradox is a very serious criticism against the theory of 
relativity. Unfortunately, the canonization and divinization of Albert 
Einstein as the new son of God on earth (it was excessive in both 
substance and form) completely obscured the problem, and we only saw 
dozens high-level theorists were right against him, and that their 
grievances were audible.

What was the grievance?

If the twin of the stars returns younger in the frame of reference of the 
twin who remained on earth, then the twin who remained on earth, if we 
apply the reciprocity of effects, and Doctor Richard Hachel says that we 
must use this notion of reciprocity, very basis of logic, comes back older 
than the other. Which is both logical and absurd.

No one has ever been able to answer the question correctly and perfectly 
(except Hachel), and if we look closely at the forums, articles, websites, 
books, publications, for 120 years, not everyone has There's nothing wrong 
with it, and everyone says anything to try to get back on their feet.

Only Doctor Hachel (what a man!) gave the perfect explanation, as on other 
points of the SR, because he uses appropriate and consistent relativistic 
geometry, and he KNOWS how to explain things clearly.

The great problem facing the world's physicists is a problem of confusion. 
They confuse two notions: the notion of relativity of measured times, and 
the notion of reciprocal relativity of chronotropies.

It's not the same thing.

Hence the impossibility for them all to explain things coherently.

The relativity of the measured times will show that over a journey of 24 
light years, carried out at v=0.8c, Terrence will age by 30 years.
It's very simple: x=v.t, i.e. t=x/v and 24*0.8=30
But when Stella returns, she will only be 18 years old.

There is therefore an asymmetry, that is obvious, but it is on the 
explanation of the asymmetry that everyone sinks into complete ignorance.

Because we are confusing it with the notion of chronotropy, which is 
ANOTHER THING, and which can be defined by the internal functioning of 
watches. On this, yes, the effect is symmetrical, reciprocal; each watch, 
and throughout the entire journey, (including if I place a small half-turn 
phase on a semi-circle with a preserved tangential speed of 0.8c), beats 
faster than the other watch, and the equation is constant and reciprocal 
over the entire path: T2=T1/sqrt(1-v²/c²).

This is true.

But this only qualifies chronotropy, that is to say the internal mechanism 
of watches, it is not the whole of the relativistic effect.

This is not what we will ultimately measure.

I can't explain it more clearly.

Now, if you are curious, and truly in love with science, you try to 
understand what I am saying, without spitting, without mocking, and you 
refer to the little diagrams posted years ago already, which explain the 
things as we have never done before, notably with the logical notion of 
the elasticity of relativistic distances.

All of perfect theoretical and experimental beauty.

“I have told you all these things, so that when the time comes, you will 
remember that I said them.”

Jesus Christ knew that no one would believe him, and that Minerva's owl 
would not take flight until nightfall.

R.H.