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NNTP-Posting-Date: Thu, 04 Jul 2024 16:16:13 +0000
Subject: Re: In relativity "s" is for "spin"
Newsgroups: sci.physics.relativity
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From: Ross Finlayson <ross.a.finlayson@gmail.com>
Date: Thu, 4 Jul 2024 09:16:19 -0700
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On 07/03/2024 12:37 PM, Ross Finlayson wrote:
> On 07/03/2024 12:03 PM, J. J. Lodder wrote:
>> Ross Finlayson <ross.a.finlayson@gmail.com> wrote:
>>
>>> On 07/02/2024 12:35 AM, J. J. Lodder wrote:
>>>> Ross Finlayson <ross.a.finlayson@gmail.com> wrote:
>>>>
>>>>> On 07/01/2024 01:10 PM, J. J. Lodder wrote:
>>>>>> LaurenceClarkCrossen <clzb93ynxj@att.net> wrote:
>>>>>>
>>>>>>> Incorrect. Relativity says light is affected twice as much as
>>>>>>> anything
>>>>>>> else going the same speed, that is, twice Newtonian.
>>>>>>
>>>>>> Relatvity tells us that nothing else is going at the same speed,
>>>>>>
>>>>>> Jan
>>>>>>
>>>>>
>>>>> Relativity says that SR is local.
>>>>>
>>>>> The idea that information cannot go faster than light, basically
>>>>> has that the light-like is free information itself.
>>>>>
>>>>> Yet, light is local,
>>>>
>>>> Where did you pick up that piece of misinformation?
>>>>
>>>> Jan
>>>>
>>>
>>> Einstein says so, and, "Relativity of Simultaneity is non-local",
>>> and, "SR is local" is something at least I've arrived at since
>>> quite a few years ago.
>>>
>>> Einstein defines two different milieus for "Space-Time",
>>> the "spatial" for GR and "spacial" for SR.
>>
>> relativity != light,
>>
>> Jan
>>
>
> It's pretty simple that Einstein combined his theories
> of GR and SR into a theory "Relativity", with GR governing
> SR not the other way around, and: that the L-principle,
> for light's speed constancy, is a precept of SR, and, Relativity.
>
> The "no absolute motion" bit, or "Relativity", doesn't address
> itself neither the Galilean linear or gyroscopic rotational
> space-contraction, the one going out the other in, nor does
> it address "absolute space", nor "absolute time".
>
>

In Relativity, "L" is for "Light", and "SR" is "local".