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Subject: Re: Relativistic definition
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Date: Tue, 23 Jul 24 22:35:35 +0000
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From: Richard Hachel <r.hachel@wanadou.fr>
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Le 23/07/2024 à 23:57, film.art@gmail.com (JanPB) a écrit :
> On Tue, 23 Jul 2024 15:44:59 +0000, Richard Hachel wrote:
> 
>>
>> Here is a sentence from Dr. Hachel with which physicists do not agree at
>> all.
>> It's a shame.
>> When an individual disagrees with another individual on a scientific
>> theory or fact, it would be normal to ask the other party to sit down
>> and
>> explain why they are behaving in an outlandish-looking manner. , and why
>> it "thinks differently".
>> This would be a proof of logic and human coherence.
>>
>> "If two mobiles, one in simple Galilean movement,
>> the other in uniformly accelerated movement with a start at rest,
>>  cross an identical space, in identical observable times,
>> then their proper times will be equal."
> 
> This is false in general.

I beg you to show a little politeness.
I know very well that this is generally false.
But that's what I say, and I don't care what other people say in general.
On the other hand, I repeat one last time: "Be careful, it does not work 
if the accelerated mobile already has an initial speed".

>> <http://news2.nemoweb.net/jntp?i6e6RaE0RxCNtGlAaSfIYZlkB2s@jntp/Data.Media:1>
>>
>> The problem for physicists is that, on the other hand, they do not
>> understand the drawing on the right, we always have Tr, x/c, and To.
> 
> This is basic calculus, the length of a curve. Why is this so confusing
> to you?

 "To" is NOT the length of a curve. It's a terrible error to belive that. 

 You are confusing it with the red segment, which I represented in the 
drawing, a segment whose module always progresses with proper time, but 
whose axis gradually turns, a bit like stretching an elastic band while 
finding it in the space?
I BEG you to understand this, because it is very important. It is not the 
path of the end of the elastic in space that matters, but the length of 
the elastic.
I beg you to understand this, or at least to make the intellectual effort 
to do so.

> 

> The length of the blue line is the length of the blue line.

 Absolutly.

 But is NOT To !!! 

 To is rotating during the proper time and travel grow. 

 Please, admet this fondamental new notion.

> Sorry but
> this
> is simply what it is. It's not equal to any of the straight chord lines
> lengths.

  It is !!! 

> Jan

R.H.