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From: clzb93ynxj@att.net (LaurenceClarkCrossen)
Newsgroups: sci.physics.relativity
Subject: Re: =?UTF-8?B?4oCcV2hhdCBJcyBUaGUgVGhlb3J5IE9mIFJlbGF0aXZpdHk/4oCd?=
Date: Fri, 3 Jan 2025 21:35:22 +0000
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On Fri, 3 Jan 2025 14:21:48 +0000, Richard Hachel wrote:

> Le 03/01/2025 à 05:43, clzb93ynxj@att.net (LaurenceClarkCrossen) a écrit
> :
>> Thank you. Someone had to step into the breach.
>>
>> If the transverse speed of a photon remains the same as c even within a
>> uniformly accelerating frame, this is what both particles and waves do
>> within such a frame. This makes it unnecessary for any postulates other
>> than Newtonian.
>>
>> To imagine this takes place across (between) frames regarding the
>> endpoint or observer is irrational.
>
> Que la vitesse transversale de la lumière soit toujours égale à c, dans
> un milieu galiléen uniforme,
> c'est accepté de tous, puisque c'est ce que dit la théorie (et c'est ce
> que valide le docteur Hachel en expliquant pourquoi).
>
> Mais que la vitesse transversale de la lumière soit égale à c dans tous
> les référentiels, y compris tournant, y compris uniformément
> accélérés, je ne suis pas sûr que cela soit obvi pour tous.
>
> C'est pourtant d'une grande évidence, si l'on réfléchit trois secondes.
>
>
> Ce qui varie, dans un milieu accéléré, c'est la trajectoire. La ligne
> droite devient une ligne courbe.
>
> Mais sur cette ligne courbe, la vitesse de la lumière reste toujours
> constante.
>
> "La vitesse transversale de la lumière est une constante en tout
> référentiel, galiléen, tournant, accéléré, ou tel qu'on le voudra"
>
> R.H.
That the transverse speed of light is always equal to c, in a uniform
Galilean medium, is accepted by all, since this is what the theory says
(and this is what Dr. Hachel validates by explaining why). But that the
transverse speed of light is equal to c in all frames of reference,
including rotating, including uniformly accelerated, I am not sure that
this is obviated for all. However, it is very obvious, if you think
about it for three seconds. What varies, in an accelerated environment,
is the trajectory. The straight line becomes a curved line. But on this
curved line, the speed of light always remains constant. "The transverse
speed of light is a constant in any referential, Galilean, rotating,
accelerated, or as one wishes" R.H.