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Subject: Langevin traveler and simultaneity.
Newsgroups: sci.physics.relativity
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Date: Thu, 26 Sep 24 22:34:03 +0000
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From: Richard Hachel <r.hachel@liscati.fr.invalid>
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I gave an image yesterday on the notion of Terrence's simultaneity, and 
the intelligent poster (there are very few, but there are some) will have 
noticed, perhaps, the lines of concordance between the ages of the two 
protagonists are horizontal.
This is part of the notion of proper simultaneity; of the present time 
hyperplane. That is why it IS horizontal.
Thus, when Terrence is 27, Stella is only 9.
It is very simple to understand.
In his frame of reference, based solely on him as the origin of this frame 
of reference, since a relativistic frame of reference can only be purely 
punctual and based on a single and unique observer, Stella, for Terrence 
is really only 9 years old when Terrence is 27.
I note with sadness that this is not what physicists have been saying for 
120 years, and I am saddened by it. For them, when Terrence is 27, Stella 
is 16.2; and conversely, continuing with the idiotic logic, when Stella is 
16.2, Terrence is 27.
"And so everything seems very simple and very convenient." But it is 
mostly completely false and ridiculous, and that is not at all how things 
happen.

Today, I give (it's horrible), the vision of the journey seen by Stella.

<http://nemoweb.net/jntp?Wa9w3Wa_pYh2RfoV8OhSZOEKzig@jntp/Data.Media:1>

We notice one thing: the notion of time, for Stella, in her frame of 
reference remains unchanged, and the lines of concordance remain 
horizontal. It is logical, each observer of the universe, whoever he is, 
will always have his own hyperplane of present time in which all the other 
elements of the universe will come to swirl.
We see then here, that there is no more time gap than for Terrence.
Time remains perfectly fluid.
We do not go from the battle of Waterloo (1815) to the battle of Verdun 
(1916) by a time gap. This ridiculous notion does not exist in Doctor 
Hachel.

We see then that reciprocity is in the effects, and not in the states.

For Stella, for example, we notice that when she is 9 years old, Terrence 
is 3. This is not a delusional vision of things, it is the reality of 
things. It is not an illusion by Doppler effect as it is so easy to make 
believe. Terrence, at this moment of Stella's life, is really 3 years old 
in her frame of reference.

The notion of simultaneity is not symmetrical, although the effects are 
perfectly reciprocal.

Then there remains something that physicists have never fully understood, 
and yet which was before their eyes for 120 years and predicted by the 
Poincaré-Lorentz transformations: the zoom-spatial effect.

Space is a mollusk of reference, but it is the equations that demonstrate 
it that have constantly been misinterpreted.

When Stella turns, in 24 hours of her own time, she will pass
from the resting state of her frame of reference to another frame of 
reference (dv=0.97561c) and if her time does not change, she does not pass 
from August 16 to December 30, the vision of her surrounding space is 
colossally modified. The earth passes from 4 ly (see the drawing) to 36 
ly,
during her 24-hour half-turn performed at tangential speed vo=0.8c in the 
frame of reference of Terrence. During this half-turn she sees Terrence 
age by 40 hours (the times are absolute and symmetrical here).

There is therefore a magnificent space-zoom, and everything remains 
remarkably coherent in time.

Hachel's last coup de grâce: Stella in the return phase sees the earth 
return to her with an apparent speed of 4c. Everyone says so.

It is immensely logical. And for 9 years (it is its own time).
The earth therefore seems to travel the 36 ly predicted by Dr. Hachel.

The relativists of the whole world cannot match such clarity.

R.H.