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tech / sci.physics.relativity / Re: Ehrenfest paradox

SubjectAuthor
* Ehrenfest paradoxThomas Heger
+* Re: Ehrenfest paradoxJ. J. Lodder
|+* Re: Ehrenfest paradoxRichard Hachel
||`* Re: Ehrenfest paradoxRichard Hachel
|| `* Re: Ehrenfest paradoxThomas Heger
||  +* Re: Ehrenfest paradoxThomas Heger
||  |`* Re: Ehrenfest paradoxRichard Hachel
||  | `* Re: Ehrenfest paradoxThomas Heger
||  |  `* Re: Ehrenfest paradoxRichard Hachel
||  |   +- Re: Ehrenfest paradoxMaciej Wozniak
||  |   `* Re: Ehrenfest paradoxThomas Heger
||  |    `* Re: Ehrenfest paradoxRichard Hachel
||  |     `* Re: Ehrenfest paradoxThomas Heger
||  |      `* Re: Ehrenfest paradoxRichard Hachel
||  |       `* Re: Ehrenfest paradoxThomas Heger
||  |        `* Re: Ehrenfest paradoxRichard Hachel
||  |         `* Re: Ehrenfest paradoxThomas Heger
||  |          +* Re: Ehrenfest paradoxRichard Hachel
||  |          |`* Re: Ehrenfest paradoxThomas Heger
||  |          | `* Re: Ehrenfest paradoxRichard Hachel
||  |          |  `* Re: Ehrenfest paradoxThomas Heger
||  |          |   +* Re: Ehrenfest paradoxRichard Hachel
||  |          |   |`- Re: Ehrenfest paradoxGus Bรคhr SchultheiรŸ
||  |          |   `* Re: Ehrenfest paradoxVolney
||  |          |    +- Re: Ehrenfest paradoxRichard Hachel
||  |          |    `* Re: Ehrenfest paradoxPython
||  |          |     +- Re: Ehrenfest paradoxRichard Hachel
||  |          |     `* Re: Ehrenfest paradoxThomas Heger
||  |          |      +* Re: Ehrenfest paradoxRichard Hachel
||  |          |      |+- Re: Ehrenfest paradoxThomas Heger
||  |          |      |`* Re: Ehrenfest paradoxRoss Finlayson
||  |          |      | `- Re: Ehrenfest paradoxRoss Finlayson
||  |          |      `* Re: Ehrenfest paradoxVolney
||  |          |       +* Re: Ehrenfest paradoxThomas Heger
||  |          |       |+* Re: Ehrenfest paradoxPython
||  |          |       ||+- Re: Ehrenfest paradoxMaciej Wozniak
||  |          |       ||`* Re: Ehrenfest paradoxThomas Heger
||  |          |       || +- Re: Ehrenfest paradoxReid Chu Foong
||  |          |       || +* Re: Ehrenfest paradoxRichard Hachel
||  |          |       || |+- Re: Ehrenfest paradoxMaciej Wozniak
||  |          |       || |`* Re: Ehrenfest paradoxThomas Heger
||  |          |       || | +- Re: Ehrenfest paradoxRichard Hachel
||  |          |       || | `- Re: Ehrenfest paradoxRoss Finlayson
||  |          |       || `* Re: Ehrenfest paradoxVolney
||  |          |       ||  +* Re: Ehrenfest paradoxBarbaro Bertrand Jacqueline
||  |          |       ||  |+* Re: Ehrenfest paradoxRichard Hachel
||  |          |       ||  ||`* Re: Ehrenfest paradoxPhysfitfreak
||  |          |       ||  || `* Re: Ehrenfest paradoxRaydel Walentowicz Dubanowski
||  |          |       ||  ||  `* Re: Ehrenfest paradoxPhysfitfreak
||  |          |       ||  ||   `- Re: Ehrenfest paradoxTrejo Metrofanis Demarchis
||  |          |       ||  |`* Re: Ehrenfest paradoxPhysfitfreak
||  |          |       ||  | `- Re: Ehrenfest paradoxLeighton Accorso Passerini
||  |          |       ||  `* Re: Ehrenfest paradoxThomas Heger
||  |          |       ||   +* Re: Ehrenfest paradoxVolney
||  |          |       ||   |`* Re: Ehrenfest paradoxThomas Heger
||  |          |       ||   | `- Re: Ehrenfest paradoxVolney
||  |          |       ||   `* Re: Ehrenfest paradoxVolney
||  |          |       ||    `* Re: Ehrenfest paradoxThomas Heger
||  |          |       ||     `* Re: Ehrenfest paradoxVolney
||  |          |       ||      `* Re: Ehrenfest paradoxAthel Cornish-Bowden
||  |          |       ||       +* Re: Ehrenfest paradoxRichard Hachel
||  |          |       ||       |+- Re: Einstein's Relativity contains a HUGE Loophole. Its Implications Can't Be IPNA
||  |          |       ||       |`* Re: Ehrenfest paradoxVolney
||  |          |       ||       | +- Re: Ehrenfest paradoxMaciej Wozniak
||  |          |       ||       | +* Re: Ehrenfest paradoxAthel Cornish-Bowden
||  |          |       ||       | |`* Re: Ehrenfest paradoxRichard Hachel
||  |          |       ||       | | `- Re: Ehrenfest paradoxThomas Heger
||  |          |       ||       | `* Re: Ehrenfest paradoxRichard Hachel
||  |          |       ||       |  +* Re: Ehrenfest paradoxVolney
||  |          |       ||       |  |+- Re: Ehrenfest paradoxMaciej Wozniak
||  |          |       ||       |  |`* Re: Ehrenfest paradoxThomas Heger
||  |          |       ||       |  | +- Re: Ehrenfest paradoxPaul B. Andersen
||  |          |       ||       |  | +- Re: Ehrenfest paradoxRichard Hachel
||  |          |       ||       |  | `* Re: Ehrenfest paradoxVolney
||  |          |       ||       |  |  +- Re: Ehrenfest paradoxMaciejWozniak
||  |          |       ||       |  |  `* Re: Ehrenfest paradoxThomas Heger
||  |          |       ||       |  |   +* Re: Ehrenfest paradoxPaul B. Andersen
||  |          |       ||       |  |   |`* Re: Ehrenfest paradoxMaciej Wozniak
||  |          |       ||       |  |   | +- Re: Ehrenfest paradoxLaurence Clark Crossen
||  |          |       ||       |  |   | `- Re: Ehrenfest paradoxThomas Heger
||  |          |       ||       |  |   +- Re: Ehrenfest paradoxRichard Hachel
||  |          |       ||       |  |   +- Re: Ehrenfest paradoxVolney
||  |          |       ||       |  |   `- Re: Ehrenfest paradoxGyรถrgy Csordรกs
||  |          |       ||       |  `- Re: Ehrenfest paradoxThomas Heger
||  |          |       ||       +- Re: Ehrenfest paradoxLaurence Clark Crossen
||  |          |       ||       `* Re: Ehrenfest paradoxThomas Heger
||  |          |       ||        +- Re: Ehrenfest paradoxAthel Cornish-Bowden
||  |          |       ||        `* Re: Ehrenfest paradoxAthel Cornish-Bowden
||  |          |       ||         +- Re: Ehrenfest paradoxMaciej Wozniak
||  |          |       ||         +- Re: Ehrenfest paradoxLaurence Clark Crossen
||  |          |       ||         `* Re: Ehrenfest paradoxThomas Heger
||  |          |       ||          +- Re: Ehrenfest paradoxAthel Cornish-Bowden
||  |          |       ||          +- Re: Ehrenfest paradoxRyker De santigo Duarte Ramires
||  |          |       ||          `* Re: Ehrenfest paradoxVolney
||  |          |       ||           +* Re: Ehrenfest paradoxLeonel Gorsky Murtazaliev
||  |          |       ||           |`* Re: Ehrenfest paradoxPhysfitfreak
||  |          |       ||           | `- Re: Ehrenfest paradoxTudor Belo Ramirez
||  |          |       ||           `* Re: Ehrenfest paradoxThomas Heger
||  |          |       ||            `* Re: Ehrenfest paradoxThomas Heger
||  |          |       ||             `* Re: Ehrenfest paradoxVolney
||  |          |       ||              +- Re: Ehrenfest paradoxGirard Balabuev - Pharmacologist
||  |          |       ||              `* Re: Ehrenfest paradoxThomas Heger
||  |          |       |`* Re: Ehrenfest paradoxVolney
||  |          |       `- Re: Ehrenfest paradoxLevon Havroshin Babenkov
||  |          `- Re: Ehrenfest paradoxJ. J. Lodder
||  `* Re: Ehrenfest paradoxJ. J. Lodder
|+- Re: Ehrenfest paradoxRoss Finlayson
|`* Re: Ehrenfest paradoxJanPB
+* Re: Ehrenfest paradoxwugi
`* Re: Ehrenfest paradoxLaurence Clark Crossen

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Re: Ehrenfest paradox

<l0pbs8Fj91bU1@mid.individual.net>

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https://news.novabbs.org/tech/article-flat.php?id=130071&group=sci.physics.relativity#130071

  copy link   Newsgroups: sci.physics.relativity
Path: i2pn2.org!i2pn.org!weretis.net!feeder8.news.weretis.net!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail
From: ttt_heg@web.de (Thomas Heger)
Newsgroups: sci.physics.relativity
Subject: Re: Ehrenfest paradox
Date: Wed, 17 Jan 2024 07:58:03 +0100
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In-Reply-To: <uo5njc$1d4o0$1@dont-email.me>
 by: Thomas Heger - Wed, 17 Jan 2024 06:58 UTC

Am 16.01.2024 um 11:59 schrieb Python:
> Le 16/01/2024 ร  09:44, Thomas Heger a รฉcrit :
>> Am 15.01.2024 um 21:42 schrieb Volney:
>>> On 1/15/2024 2:12 AM, Thomas Heger wrote:
>>>> Am 15.01.2024 um 01:17 schrieb Python:
>>>> ...
>>>>>>>
>>>>>>> A major error of Einstein and SRT is the use of watches per se.
>>>>>>>
>>>>>>> The problem is, that light has finite velocity, even if light is
>>>>>>> very
>>>>>>> fast.
>>>>>>>
>>>>>>> But this finite velocity of light would make remote watches look
>>>>>>> seemingly too late (by the time the signals of light take to travel
>>>>>>> from the watch to the observer).
>>>>>>>
>>>>>>> Now it would be a VERY (!!!) stupid idea to compensate this
>>>>>>> difference and adjust one of the clocks, that there is seemingly no
>>>>>>> deleay.
>>>>>>>
>>>>>>> Instead the delay had to be measured and added to the time seen at
>>>>>>> the remote clock.
>>>>>>>
>>>>>> That's exactly how Einstein's clock synchronization method works. It
>>>>>> takes into account the time it takes for a signal to get from the
>>>>>> local clock to the remote clock and the time it takes for a signal to
>>>>>> get from the remote clock to the local clock.
>>>>>>
>>>>>
>>>>> This has been shown to Thomas several times, his misunderstanding of
>>>>> paragraph I.1 of Einstein paper is abysmal. He's sticking on the
>>>>> idiotic claim that if delay is not mentioned then it means that delay
>>>>> is ignored... Ironically enough Hachel's claim is that delay should be
>>>>> ignored... Cranks are insufferable...
>>>>
>>>>
>>>> This is wrong, because Einstein didn't mention the delay with a single
>>>> word anywhere in 'On the electrodynamics of moving bodies'!!!
>>>
>>> In the formula TA' = TA + 2AB/c, what do you think the AB/c term means?
>>> Where does the 2 come from?

That equation has a different form in Einstein's text:

2AB/(t'_A - t_A )= c

It's no big deal, of course, but quotes should be verbatim.

The difference is: Einstein meant c and not the delay with this equation.

You changed the order of terms and concluded, that Einstein meant the delay.

But there is no evidence at all, that Einstein even considered the
delay, because the word 'delay' or something equivalent is missing in
the entire text.

>>
>> I know, of course, what that equation means.
>>
>> A is a point in space and B is a point in space. The signal starts
>> from A in direction of B, gets reflected there and reaches A again.
>>
>> 2AB/c is incorrect, because a scalar-product of a position vector A
>> and a position vector B is not a distance.
>>
>> But distance from A to B was obviously meant.
>>
>> Is it to hard to require a line on top of AB from a professional
>> physicist?
>>
>> ...
>>
>> Besides of this:
>>
>> Einstein had to have written: this term 2AB/c means e.g. 'the delay of
>> the signal from A towards B, reflected there and reaching the origin
>> again' (or something equivalent).
>>
>> Just an equation (and a wrong one in this case) is not a statement.
>
> 1. The equation is NOT wrong (and your remark about notation AB is

Formal requirements are also valid for geniusses!

so: Einstein had to make clear, what he meant with 2AB.

It is obvious from the context, that twice the distance from A to B was
meant.

Such distances have actually a common notation, (which I cannot easily
replicate in ASCII), but has a line on top of AB.

If no such line is present, then AB must be interpreted as scalar
product of two position vectors A and B.

Actually A and B denote points. But you cannot multiply points, because
points are physical entities, which cannot be multiplied (like e.g. you
cannot multiply an egg with an apople).

So A and B must be interpreted as position vectors.

Vectors can be multiplied, hence that would be a valid interpretation of
2AB.

But 2AB is not twice the distance from A to B.

....

TH

Re: Ehrenfest paradox

<uo8eov$3rulo$1@paganini.bofh.team>

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https://news.novabbs.org/tech/article-flat.php?id=130076&group=sci.physics.relativity#130076

  copy link   Newsgroups: sci.physics.relativity sci.physics sci.math
Followup: sci.physics.relativity,sci.physics,sci.math
Path: i2pn2.org!rocksolid2!news.neodome.net!weretis.net!feeder8.news.weretis.net!paganini.bofh.team!not-for-mail
From: cdiu@ceehueru.cn (Reid Chu Foong)
Newsgroups: sci.physics.relativity,sci.physics,sci.math
Subject: Re: Ehrenfest paradox
Followup-To: sci.physics.relativity,sci.physics,sci.math
Date: Wed, 17 Jan 2024 11:47:43 -0000 (UTC)
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 by: Reid Chu Foong - Wed, 17 Jan 2024 11:47 UTC

Thomas Heger wrote:

>>> Am 15.01.2024 um 21:42 schrieb Volney:
>>>> In the formula TA' = TA + 2AB/c, what do you think the AB/c term
>>>> means? Where does the 2 come from?
>
> That equation has a different form in Einstein's text:
> 2AB/(t'_A - t_A )= c
> It's no big deal, of course, but quotes should be verbatim.

of course it's a big deal, me friend. When the big ๐—Ÿ๐—ฒ๐—ฏ๐—ผ๐˜„๐˜€๐—ธ๐˜† differentiate
๐˜๐—ต๐—ฒ_๐—ฑ๐—ถ๐˜€๐˜๐—ฎ๐—ป๐—ฐ๐—ฒ instead of ๐˜๐—ถ๐—บ๐—ฒ. Actually crucial in relativity, what you do.
The Einstine ๐—น๐—ฒ๐—ฏ๐—ผ๐˜„๐˜€๐—ธ๐˜† did the same, in america. He was thinking work in
๐—ป๐—ฎ๐˜€๐—ฎ, with the nazis. In bed with his cousin, married in own family. Which
is a sin, in many countries. What a disgrace. Here is what capitalist
america did.

'๐—ช๐—ฒ_๐—ต๐—ฎ๐˜ƒ๐—ฒ_๐˜€๐˜‚๐—ณ๐—ณ๐—ฒ๐—ฟ๐—ฒ๐—ฑ_๐—ฏ๐—ฒ๐—ฐ๐—ฎ๐˜‚๐˜€๐—ฒ_๐˜„๐—ฒ_๐˜„๐—ฒ๐—ฟ๐—ฒ_๐—ก๐—ฒ๐—ด๐—ฟ๐—ผ๐—ฒ๐˜€':
It took this man 200 days to become a legend in the fight against Western
exploitation. Sixty-three years ago, the first prime minister of an
independent Congo, Patrice Lumumba, ๐˜„๐—ฎ๐˜€_๐—ฏ๐—ฟ๐˜‚๐˜๐—ฎ๐—น๐—น๐˜†_๐—บ๐˜‚๐—ฟ๐—ฑ๐—ฒ๐—ฟ๐—ฒ๐—ฑ on the orders of
the West for supposedly being a danger to the very system it was upholding
https://r%74.com/africa/590746-patrice-lumumba-independent-congo/

Re: Ehrenfest paradox

<oJpWZsB3un7mZR0VEJn6XqTU1rM@jntp>

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https://news.novabbs.org/tech/article-flat.php?id=130085&group=sci.physics.relativity#130085

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Subject: Re: Ehrenfest paradox
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From: pourquoi-pas@tiscali.fr (Richard Hachel)
 by: Richard Hachel - Wed, 17 Jan 2024 19:02 UTC

Le 17/01/2024 ร  07:54, Thomas Heger a รฉcrit :
> Am 16.01.2024 um 11:59 schrieb Python:
>> Le 16/01/2024 ร  09:44, Thomas Heger a รฉcrit :
>>> Am 15.01.2024 um 21:42 schrieb Volney:
>>>> On 1/15/2024 2:12 AM, Thomas Heger wrote:
>>>>> Am 15.01.2024 um 01:17 schrieb Python:
>>>>> ...
>>>>>>>>
>>>>>>>> A major error of Einstein and SRT is the use of watches per se.
>>>>>>>>
>>>>>>>> The problem is, that light has finite velocity, even if light is
>>>>>>>> very
>>>>>>>> fast.
>>>>>>>>
>>>>>>>> But this finite velocity of light would make remote watches look
>>>>>>>> seemingly too late (by the time the signals of light take to travel
>>>>>>>> from the watch to the observer).
>>>>>>>>
>>>>>>>> Now it would be a VERY (!!!) stupid idea to compensate this
>>>>>>>> difference and adjust one of the clocks, that there is seemingly no
>>>>>>>> deleay.
>>>>>>>>
>>>>>>>> Instead the delay had to be measured and added to the time seen at
>>>>>>>> the remote clock.
>>>>>>>>
>>>>>>> That's exactly how Einstein's clock synchronization method works. It
>>>>>>> takes into account the time it takes for a signal to get from the
>>>>>>> local clock to the remote clock and the time it takes for a signal to
>>>>>>> get from the remote clock to the local clock.
>>>>>>>
>>>>>>
>>>>>> This has been shown to Thomas several times, his misunderstanding of
>>>>>> paragraph I.1 of Einstein paper is abysmal. He's sticking on the
>>>>>> idiotic claim that if delay is not mentioned then it means that delay
>>>>>> is ignored... Ironically enough Hachel's claim is that delay should be
>>>>>> ignored... Cranks are insufferable...
>>>>>
>>>>>
>>>>> This is wrong, because Einstein didn't mention the delay with a single
>>>>> word anywhere in 'On the electrodynamics of moving bodies'!!!
>>>>
>>>> In the formula TA' = TA + 2AB/c, what do you think the AB/c term means?
>>>> Where does the 2 come from?
>
> That equation has a different form in Einstein's text:
>
> 2AB/(t'_A - t_A )= c
>
> It's no big deal, of course, but quotes should be verbatim.
>
> The difference is: Einstein meant c and not the delay with this equation.
>
> You changed the order of terms and concluded, that Einstein meant the delay.
>
> But there is no evidence at all, that Einstein even considered the
> delay, because the word 'delay' or something equivalent is missing in
> the entire text.
>
>
>
>>>
>>> I know, of course, what that equation means.
>>>
>>> A is a point in space and B is a point in space. The signal starts
>>> from A in direction of B, gets reflected there and reaches A again.
>>>
>>> 2AB/c is incorrect, because a scalar-product of a position vector A
>>> and a position vector B is not a distance.
>>>
>>> But distance from A to B was obviously meant.
>>>
>>> Is it to hard to require a line on top of AB from a professional
>>> physicist?
>>>
>>> ...
>>>
>>> Besides of this:
>>>
>>> Einstein had to have written: this term 2AB/c means e.g. 'the delay of
>>> the signal from A towards B, reflected there and reaching the origin
>>> again' (or something equivalent).
>>>
>>> Just an equation (and a wrong one in this case) is not a statement.
>>
>> 1. The equation is NOT wrong (and your remark about notation AB is
>
>
> Formal requirements are also valid for geniusses!
>
> so: Einstein had to make clear, what he meant with 2AB.
>
> It is obvious from the context, that twice the distance from A to B was
> meant.
>
> Such distances have actually a common notation, (which I cannot easily
> replicate in ASCII), but has a line on top of AB.
>
> If no such line is present, then AB must be interpreted as scalar
> product of two position vectors A and B.
>
> Actually A and B denote points. But you cannot multiply points, because
> points are physical entities, which cannot be multiplied (like e.g. you
> cannot multiply an egg with an apople).
>
> So A and B must be interpreted as position vectors.
>
> Vectors can be multiplied, hence that would be a valid interpretation of
> 2AB.
>
> But 2AB is not twice the distance from A to B.
>
> ...
>
>
> TH

It is clear that the distance 2AB is worth twice AB.

Let's stay reasonable.

Einstein correctly measures Euclid's ametric.

But where Einstein makes a dramatic error (I know that I am attacking a
God, and that it is not nice) is when he believes that t(AB)=t(BA) for all
observers of the frame . He is completely unaware, it seems, of the notion
of spatial anisochrony like all physicists today.

Certainly, if I place myself at a point placed equidistant from A and B,
for example on the perpendicular which passes through M in the middle of
AB, I would have t(AB)=t(BA) like Eisntein says it.

But not if I'm in A, and not if I'm in B.

It is this difficulty that physicists today do not seem to understand, due
to their abstract religious belief in a โ€œplan of present timeโ€.

Although I have explained to them how the RR has worked for 40 years, and
why many things are wrong with their geometry, they are absolutely
incapable of questioning or even listening without seeking to humiliate or
even threaten death.

It's simply incredible and worthy of the greatest Hollywood films.

R.H.

Re: Ehrenfest paradox

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Subject: Re: Ehrenfest paradox
From: maluwozniak@gmail.com (Maciej Wozniak)
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 by: Maciej Wozniak - Wed, 17 Jan 2024 20:38 UTC

On Wednesday 17 January 2024 at 20:02:45 UTC+1, Richard Hachel wrote:

> Let's stay reasonable.
>
> Einstein correctly measures Euclid's ametric.

Sure, even he wasn't stupid enough to treat his anti-Euclid
absurds seriously.

Re: Ehrenfest paradox

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Subject: Re: Ehrenfest paradox
From: ross.a.finlayson@gmail.com (Ross Finlayson)
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 by: Ross Finlayson - Thu, 18 Jan 2024 02:46 UTC

On Tuesday, January 16, 2024 at 8:38:02โ€ฏPM UTC-8, Ross Finlayson wrote:
> On Monday, January 15, 2024 at 5:37:34โ€ฏAM UTC-8, Richard Hachel wrote:
> > Le 15/01/2024 ร  08:08, Thomas Heger a รฉcrit :
> > >
> > > This is wrong, because Einstein didn't mention the delay with a single
> > > word anywhere in 'On the electrodynamics of moving bodies'!!!
> > >
> > > This is a VERY (!!!) serious error, because Einstein also made efforts
> > > to compensate the delay by adjusting the tick-rate of the remote clock
> > > or by adjusting the time of the clock or the time of the remote system
> > > per se.
> > >
> > > This was all wrong, while the correct solution was never mentioned.
> > >
> > > this would be:
> > >
> > > measure the delay and add it to the reading od the remote clock.
> > >
> > >
> > > This solution is so simple and obvious, that hardly anybody will be able
> > > to reject it.
> > >
> > > But instead of a simple and obvious solution a pompouse nonsense was
> > > produced and forcefully shuffled into the minds of the defenseless public.
> > >
> > >
> > > TH
> > The problem of synchronization is a problem of temporal reference.
> > We will say: "This event occurred at five o'clock" but what does that
> > mean?
> > This means that, for example, we placed in various places in a city, at
> > noon, all kinds of watches which we artificially set to noon, and that at
> > a crossroads, an accident occurred. when the small hand of a watch was on
> > five and the big hand on twelve.
> > In relativity, things are less simple because the time depends on the
> > location of the observer in relation to the event. The further away from
> > the event, the greater the anisochrony will be.
> >
> > What is important to understand is that synchronization, useful for
> > subsequent discussions, can therefore only be done for a single observer,
> > and that it is always on a previously chosen observer that the watches are
> > synchronized.
> >
> > This is similar to choosing the Greenwich meridian to determine the
> > geographic position of an event.
> >
> > By convention, you need a base. If I say that the event occurred at
> > 43ยฐ14'27", I know by definition that it is relative to the Greenwich
> > meridian. Everything is only relative to something.
> >
> > If I now take GPS synchronization, and if I correctly understand the
> > theory of relativity, I will first realize that it is absolutely
> > impossible to synchronize even two watches in the universe. Each will
> > advance on the other by a value delta_t=x/c.
> >
> > However, the GPS works. For what?
> >
> > Because we took, for GPS, as we did for Greenwich, a basic reference.
> >
> > What is this basic reference?
> >
> > It is an abstract point, located in a hypothetical fourth spatial
> > dimension, placed very far from all the three D points of the universe,
> > but equidistant from each of them.
> >
> > That's GPS.
> >
> > But ร a b absolutely does not mean that between them, all the points of a
> > universe, even a fixed one, "coexist absolutely at the same instant, and
> > that the notion of universal anisochrony does not exist.
> >
> > On the contrary, it is the basis of our world, and it is even possible
> > that our world could not exist without it?
> >
> > Would the notion of energy, and therefore of life, precisely, exist
> > without universal anisochrony?
> >
> > R.H.
> Phaselock.
>
>
> Einstein sets his clock by it.
>
>
> It's pretty well established the universe is flat, i.e., doesn't have an anisotropy.
>
> Then as with regards Zenos' paradoxes of motion, those are exercises to be
> resolved by continuum mechanics, not excuses your dog ate your homework.
>
> Heh, your dog ate your homework.
>
>
>
> https://www.youtube.com/@rossfinlayson
>
> That number 21 of Philosophical Foreground, describes and explains
> "the three replete central continuous domains of mathematics",
> in the first fifteen minutes, and, where they come from.

Indeed, it's all the way back to Zeno's paradox, rehabilitating the conscious resolution
of the natures of continuity, that mathematics owes physics, then to explain the
quasi-invariant of the pseudo-degenerate, to explain this concept "symmetry flex",
with models of flow and flux, that are equipped thusly their own "superclassical".

It's not so directly obvious and indeed it's a bit counterintuitive,
yet at the same time there's that Zeno's archer's arrow arrives to a mirror as well,
and meets in the middle, the middle of what was nowhere, for it arrives.

This then is a true sort of completion for otherwise that the "close enough"
was also "distant enough", Zeno's or Zenon's or Xenon's rams butting, or
the cross-fire. but gently enough, the meeting in the middle.

Re: Ehrenfest paradox

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From: volney@invalid.invalid (Volney)
Newsgroups: sci.physics.relativity
Subject: Re: Ehrenfest paradox
Date: Thu, 18 Jan 2024 00:06:12 -0500
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 by: Volney - Thu, 18 Jan 2024 05:06 UTC

On 1/16/2024 3:44 AM, Thomas Heger wrote:
> Am 15.01.2024 um 21:42 schrieb Volney:
>> On 1/15/2024 2:12 AM, Thomas Heger wrote:
>>> Am 15.01.2024 um 01:17 schrieb Python:
>>> ...
>>>>>>
>>>>>> A major error of Einstein and SRT is the use of watches per se.
>>>>>>
>>>>>> The problem is, that light has finite velocity, even if light is very
>>>>>> fast.
>>>>>>
>>>>>> But this finite velocity of light would make remote watches look
>>>>>> seemingly too late (by the time the signals of light take to travel
>>>>>> from the watch to the observer).
>>>>>>
>>>>>> Now it would be a VERY (!!!) stupid idea to compensate this
>>>>>> difference and adjust one of the clocks, that there is seemingly no
>>>>>> deleay.
>>>>>>
>>>>>> Instead the delay had to be measured and added to the time seen at
>>>>>> the remote clock.
>>>>>>
>>>>> That's exactly how Einstein's clock synchronization method works. It
>>>>> takes into account the time it takes for a signal to get from the
>>>>> local clock to the remote clock and the time it takes for a signal to
>>>>> get from the remote clock to the local clock.
>>>>>
>>>>
>>>> This has been shown to Thomas several times, his misunderstanding of
>>>> paragraph I.1 of Einstein paper is abysmal. He's sticking on the
>>>> idiotic claim that if delay is not mentioned then it means that delay
>>>> is ignored... Ironically enough Hachel's claim is that delay should be
>>>> ignored... Cranks are insufferable...
>>>
>>>
>>> This is wrong, because Einstein didn't mention the delay with a single
>>> word anywhere in 'On the electrodynamics of moving bodies'!!!
>>
>> In the formula TA' = TA + 2AB/c, what do you think the AB/c term means?
>> Where does the 2 come from?
>
> I know, of course, what that equation means.
>
> A is a point in space and B is a point in space. The signal starts from
> A in direction of B, gets reflected there and reaches A again.
>
> 2AB/c is incorrect, because a scalar-product of a position vector A and
> a position vector B is not a distance.

Why did you write such a goofball statement like that? Einstein never
used the scalar products, those are distances.
>
> But distance from A to B was obviously meant.

Again, why the goofy statement about scalar products?
> > Besides of this:
>
> Einstein had to have written: this term 2AB/c means e.g. 'the delay of
> the signal from A towards B, reflected there and reaching the origin
> again' (or something equivalent).

Which is essentially what he wrote.
>
> Just an equation (and a wrong one in this case) is not a statement.

Why would it be wrong?

Re: Ehrenfest paradox

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Newsgroups: sci.physics.relativity
Subject: Re: Ehrenfest paradox
Date: Thu, 18 Jan 2024 07:45:24 +0100
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 by: Thomas Heger - Thu, 18 Jan 2024 06:45 UTC

Am 17.01.2024 um 20:02 schrieb Richard Hachel:
> Le 17/01/2024 ร  07:54, Thomas Heger a รฉcrit :
>> Am 16.01.2024 um 11:59 schrieb Python:
>>> Le 16/01/2024 ร  09:44, Thomas Heger a รฉcrit :
>>>> Am 15.01.2024 um 21:42 schrieb Volney:
>>>>> On 1/15/2024 2:12 AM, Thomas Heger wrote:
>>>>>> Am 15.01.2024 um 01:17 schrieb Python:
>>>>>> ...
>>>>>>>>>
>>>>>>>>> A major error of Einstein and SRT is the use of watches per se.
>>>>>>>>>
>>>>>>>>> The problem is, that light has finite velocity, even if light is
>>>>>>>>> very
>>>>>>>>> fast.
>>>>>>>>>
>>>>>>>>> But this finite velocity of light would make remote watches look
>>>>>>>>> seemingly too late (by the time the signals of light take to
>>>>>>>>> travel
>>>>>>>>> from the watch to the observer).
>>>>>>>>>
>>>>>>>>> Now it would be a VERY (!!!) stupid idea to compensate this
>>>>>>>>> difference and adjust one of the clocks, that there is
>>>>>>>>> seemingly no
>>>>>>>>> deleay.
>>>>>>>>>
>>>>>>>>> Instead the delay had to be measured and added to the time seen at
>>>>>>>>> the remote clock.
>>>>>>>>>
>>>>>>>> That's exactly how Einstein's clock synchronization method
>>>>>>>> works. It
>>>>>>>> takes into account the time it takes for a signal to get from the
>>>>>>>> local clock to the remote clock and the time it takes for a
>>>>>>>> signal to
>>>>>>>> get from the remote clock to the local clock.
>>>>>>>>
>>>>>>>
>>>>>>> This has been shown to Thomas several times, his misunderstanding of
>>>>>>> paragraph I.1 of Einstein paper is abysmal. He's sticking on the
>>>>>>> idiotic claim that if delay is not mentioned then it means that
>>>>>>> delay
>>>>>>> is ignored... Ironically enough Hachel's claim is that delay
>>>>>>> should be
>>>>>>> ignored... Cranks are insufferable...
>>>>>>
>>>>>>
>>>>>> This is wrong, because Einstein didn't mention the delay with a
>>>>>> single
>>>>>> word anywhere in 'On the electrodynamics of moving bodies'!!!
>>>>>
>>>>> In the formula TA' = TA + 2AB/c, what do you think the AB/c term
>>>>> means?
>>>>> Where does the 2 come from?
>>
>> That equation has a different form in Einstein's text:
>>
>> 2AB/(t'_A - t_A )= c
>>
>> It's no big deal, of course, but quotes should be verbatim.
>>
>> The difference is: Einstein meant c and not the delay with this equation.
>>
>> You changed the order of terms and concluded, that Einstein meant the
>> delay.
>>
>> But there is no evidence at all, that Einstein even considered the
>> delay, because the word 'delay' or something equivalent is missing in
>> the entire text.
>>
>>
>>
>>>>
>>>> I know, of course, what that equation means.
>>>>
>>>> A is a point in space and B is a point in space. The signal starts
>>>> from A in direction of B, gets reflected there and reaches A again.
>>>>
>>>> 2AB/c is incorrect, because a scalar-product of a position vector A
>>>> and a position vector B is not a distance.
>>>>
>>>> But distance from A to B was obviously meant.
>>>>
>>>> Is it to hard to require a line on top of AB from a professional
>>>> physicist?
>>>>
>>>> ...
>>>>
>>>> Besides of this:
>>>>
>>>> Einstein had to have written: this term 2AB/c means e.g. 'the delay of
>>>> the signal from A towards B, reflected there and reaching the origin
>>>> again' (or something equivalent).
>>>>
>>>> Just an equation (and a wrong one in this case) is not a statement.
>>>
>>> 1. The equation is NOT wrong (and your remark about notation AB is
>>
>>
>> Formal requirements are also valid for geniusses!
>>
>> so: Einstein had to make clear, what he meant with 2AB.
>>
>> It is obvious from the context, that twice the distance from A to B
>> was meant.
>>
>> Such distances have actually a common notation, (which I cannot easily
>> replicate in ASCII), but has a line on top of AB.
>>
>> If no such line is present, then AB must be interpreted as scalar
>> product of two position vectors A and B.
>>
>> Actually A and B denote points. But you cannot multiply points,
>> because points are physical entities, which cannot be multiplied (like
>> e.g. you cannot multiply an egg with an apople).
>>
>> So A and B must be interpreted as position vectors.
>>
>> Vectors can be multiplied, hence that would be a valid interpretation
>> of 2AB.
>>
>> But 2AB is not twice the distance from A to B.
>>
>> ...
>>
>>
>> TH
>
> It is clear that the distance 2AB is worth twice AB.
>
> Let's stay reasonable.
>
> Einstein correctly measures Euclid's ametric.
>
> But where Einstein makes a dramatic error (I know that I am attacking a
> God, and that it is not nice) is when he believes that t(AB)=t(BA) for
> all observers of the frame . He is completely unaware, it seems, of the
> notion of spatial anisochrony like all physicists today.
One point is:
the time for travel from A to B is not t(AB)
You could, of course, reduce the notation of t_B - t_A to t(AB).
But I'm actually against such short hands.

second point

Einstein actually assumed t(AB)=t(BA), but didn't mention the requirements.

Which are:
Euclidean space
'isochrony'
stationary situation (neither A nor B shall move)

This is especially interesting, because Einstein actually dealt with
movement in subsequent chapters and rejected absolute (Euclidean) space
and isochrony.

TH

>
> Certainly, if I place myself at a point placed equidistant from A and B,
> for example on the perpendicular which passes through M in the middle of
> AB, I would have t(AB)=t(BA) like Eisntein says it.
>
> But not if I'm in A, and not if I'm in B.
>
> It is this difficulty that physicists today do not seem to understand,
> due to their abstract religious belief in a โ€œplan of present timeโ€.
>
> Although I have explained to them how the RR has worked for 40 years,
> and why many things are wrong with their geometry, they are absolutely
> incapable of questioning or even listening without seeking to humiliate
> or even threaten death.
>
> It's simply incredible and worthy of the greatest Hollywood films.
>
> R.H.

Re: Ehrenfest paradox

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From: ttt_heg@web.de (Thomas Heger)
Newsgroups: sci.physics.relativity
Subject: Re: Ehrenfest paradox
Date: Thu, 18 Jan 2024 07:52:36 +0100
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 by: Thomas Heger - Thu, 18 Jan 2024 06:52 UTC

Am 18.01.2024 um 06:06 schrieb Volney:
> On 1/16/2024 3:44 AM, Thomas Heger wrote:
>> Am 15.01.2024 um 21:42 schrieb Volney:
>>> On 1/15/2024 2:12 AM, Thomas Heger wrote:
>>>> Am 15.01.2024 um 01:17 schrieb Python:
>>>> ...
>>>>>>>
>>>>>>> A major error of Einstein and SRT is the use of watches per se.
>>>>>>>
>>>>>>> The problem is, that light has finite velocity, even if light is
>>>>>>> very
>>>>>>> fast.
>>>>>>>
>>>>>>> But this finite velocity of light would make remote watches look
>>>>>>> seemingly too late (by the time the signals of light take to travel
>>>>>>> from the watch to the observer).
>>>>>>>
>>>>>>> Now it would be a VERY (!!!) stupid idea to compensate this
>>>>>>> difference and adjust one of the clocks, that there is seemingly no
>>>>>>> deleay.
>>>>>>>
>>>>>>> Instead the delay had to be measured and added to the time seen at
>>>>>>> the remote clock.
>>>>>>>
>>>>>> That's exactly how Einstein's clock synchronization method works. It
>>>>>> takes into account the time it takes for a signal to get from the
>>>>>> local clock to the remote clock and the time it takes for a signal to
>>>>>> get from the remote clock to the local clock.
>>>>>>
>>>>>
>>>>> This has been shown to Thomas several times, his misunderstanding of
>>>>> paragraph I.1 of Einstein paper is abysmal. He's sticking on the
>>>>> idiotic claim that if delay is not mentioned then it means that delay
>>>>> is ignored... Ironically enough Hachel's claim is that delay should be
>>>>> ignored... Cranks are insufferable...
>>>>
>>>>
>>>> This is wrong, because Einstein didn't mention the delay with a single
>>>> word anywhere in 'On the electrodynamics of moving bodies'!!!
>>>
>>> In the formula TA' = TA + 2AB/c, what do you think the AB/c term means?
>>> Where does the 2 come from?
>>
>> I know, of course, what that equation means.
>>
>> A is a point in space and B is a point in space. The signal starts
>> from A in direction of B, gets reflected there and reaches A again.
>>
>> 2AB/c is incorrect, because a scalar-product of a position vector A
>> and a position vector B is not a distance.
>
> Why did you write such a goofball statement like that? Einstein never
> used the scalar products, those are distances.

What do you mean are distances?

'A' is actually a character from the ASCII-character set and was used by
Einstein in this context as name of a point.

This point is not a distance (otherwise it would not be named 'point').

Possibly you mean 'Euclidean coordinates'.

But such coordinates are not distances neither, but actually vectors
with three components.

Eventually you had spherical coordinates in mind and mean the distance
of that point towards the origin of the coordinate system.

Well, that's not really bad, but would still require two additional
angles, which were missing in your interpretation.

....

TH

Re: Ehrenfest paradox

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From: pourquoi-pas@tiscali.fr (Richard Hachel)
 by: Richard Hachel - Thu, 18 Jan 2024 14:32 UTC

Le 18/01/2024 ร  07:41, Thomas Heger a รฉcrit :
> One point is:
> the time for travel from A to B is not t(AB)
> You could, of course, reduce the notation of t_B - t_A to t(AB).
> But I'm actually against such short hands.
>
> second point
>
> Einstein actually assumed t(AB)=t(BA), but didn't mention the requirements.
>
> Which are:
> Euclidean space
> 'isochrony'
> stationary situation (neither A nor B shall move)
>
> This is especially interesting, because Einstein actually dealt with
> movement in subsequent chapters and rejected absolute (Euclidean) space
> and isochrony.

The rejection of isochrony was Einstein's most serious error. He caused
the theory of relativity, well initiated by Henri Poincarรฉ (a
mathematician of genius), to drift rather than take it further.
So there is something I don't understand.
How is it that men teach a theory of general relativity when their special
relativity is not even correct, and becomes completely false for
accelerated frames and rotating frames?
This amazes me.

R.H.

Re: Ehrenfest paradox

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Subject: Re: Ehrenfest paradox
From: ross.a.finlayson@gmail.com (Ross Finlayson)
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 by: Ross Finlayson - Thu, 18 Jan 2024 17:15 UTC

On Wednesday, January 17, 2024 at 10:41:24โ€ฏPM UTC-8, Thomas Heger wrote:
> Am 17.01.2024 um 20:02 schrieb Richard Hachel:
> > Le 17/01/2024 ร  07:54, Thomas Heger a รฉcrit :
> >> Am 16.01.2024 um 11:59 schrieb Python:
> >>> Le 16/01/2024 ร  09:44, Thomas Heger a รฉcrit :
> >>>> Am 15.01.2024 um 21:42 schrieb Volney:
> >>>>> On 1/15/2024 2:12 AM, Thomas Heger wrote:
> >>>>>> Am 15.01.2024 um 01:17 schrieb Python:
> >>>>>> ...
> >>>>>>>>>
> >>>>>>>>> A major error of Einstein and SRT is the use of watches per se.
> >>>>>>>>>
> >>>>>>>>> The problem is, that light has finite velocity, even if light is
> >>>>>>>>> very
> >>>>>>>>> fast.
> >>>>>>>>>
> >>>>>>>>> But this finite velocity of light would make remote watches look
> >>>>>>>>> seemingly too late (by the time the signals of light take to
> >>>>>>>>> travel
> >>>>>>>>> from the watch to the observer).
> >>>>>>>>>
> >>>>>>>>> Now it would be a VERY (!!!) stupid idea to compensate this
> >>>>>>>>> difference and adjust one of the clocks, that there is
> >>>>>>>>> seemingly no
> >>>>>>>>> deleay.
> >>>>>>>>>
> >>>>>>>>> Instead the delay had to be measured and added to the time seen at
> >>>>>>>>> the remote clock.
> >>>>>>>>>
> >>>>>>>> That's exactly how Einstein's clock synchronization method
> >>>>>>>> works. It
> >>>>>>>> takes into account the time it takes for a signal to get from the
> >>>>>>>> local clock to the remote clock and the time it takes for a
> >>>>>>>> signal to
> >>>>>>>> get from the remote clock to the local clock.
> >>>>>>>>
> >>>>>>>
> >>>>>>> This has been shown to Thomas several times, his misunderstanding of
> >>>>>>> paragraph I.1 of Einstein paper is abysmal. He's sticking on the
> >>>>>>> idiotic claim that if delay is not mentioned then it means that
> >>>>>>> delay
> >>>>>>> is ignored... Ironically enough Hachel's claim is that delay
> >>>>>>> should be
> >>>>>>> ignored... Cranks are insufferable...
> >>>>>>
> >>>>>>
> >>>>>> This is wrong, because Einstein didn't mention the delay with a
> >>>>>> single
> >>>>>> word anywhere in 'On the electrodynamics of moving bodies'!!!
> >>>>>
> >>>>> In the formula TA' = TA + 2AB/c, what do you think the AB/c term
> >>>>> means?
> >>>>> Where does the 2 come from?
> >>
> >> That equation has a different form in Einstein's text:
> >>
> >> 2AB/(t'_A - t_A )= c
> >>
> >> It's no big deal, of course, but quotes should be verbatim.
> >>
> >> The difference is: Einstein meant c and not the delay with this equation.
> >>
> >> You changed the order of terms and concluded, that Einstein meant the
> >> delay.
> >>
> >> But there is no evidence at all, that Einstein even considered the
> >> delay, because the word 'delay' or something equivalent is missing in
> >> the entire text.
> >>
> >>
> >>
> >>>>
> >>>> I know, of course, what that equation means.
> >>>>
> >>>> A is a point in space and B is a point in space. The signal starts
> >>>> from A in direction of B, gets reflected there and reaches A again.
> >>>>
> >>>> 2AB/c is incorrect, because a scalar-product of a position vector A
> >>>> and a position vector B is not a distance.
> >>>>
> >>>> But distance from A to B was obviously meant.
> >>>>
> >>>> Is it to hard to require a line on top of AB from a professional
> >>>> physicist?
> >>>>
> >>>> ...
> >>>>
> >>>> Besides of this:
> >>>>
> >>>> Einstein had to have written: this term 2AB/c means e.g. 'the delay of
> >>>> the signal from A towards B, reflected there and reaching the origin
> >>>> again' (or something equivalent).
> >>>>
> >>>> Just an equation (and a wrong one in this case) is not a statement.
> >>>
> >>> 1. The equation is NOT wrong (and your remark about notation AB is
> >>
> >>
> >> Formal requirements are also valid for geniusses!
> >>
> >> so: Einstein had to make clear, what he meant with 2AB.
> >>
> >> It is obvious from the context, that twice the distance from A to B
> >> was meant.
> >>
> >> Such distances have actually a common notation, (which I cannot easily
> >> replicate in ASCII), but has a line on top of AB.
> >>
> >> If no such line is present, then AB must be interpreted as scalar
> >> product of two position vectors A and B.
> >>
> >> Actually A and B denote points. But you cannot multiply points,
> >> because points are physical entities, which cannot be multiplied (like
> >> e.g. you cannot multiply an egg with an apople).
> >>
> >> So A and B must be interpreted as position vectors.
> >>
> >> Vectors can be multiplied, hence that would be a valid interpretation
> >> of 2AB.
> >>
> >> But 2AB is not twice the distance from A to B.
> >>
> >> ...
> >>
> >>
> >> TH
> >
> > It is clear that the distance 2AB is worth twice AB.
> >
> > Let's stay reasonable.
> >
> > Einstein correctly measures Euclid's ametric.
> >
> > But where Einstein makes a dramatic error (I know that I am attacking a
> > God, and that it is not nice) is when he believes that t(AB)=t(BA) for
> > all observers of the frame . He is completely unaware, it seems, of the
> > notion of spatial anisochrony like all physicists today.
> One point is:
> the time for travel from A to B is not t(AB)
> You could, of course, reduce the notation of t_B - t_A to t(AB).
> But I'm actually against such short hands.
>
> second point
>
> Einstein actually assumed t(AB)=t(BA), but didn't mention the requirements.
>
> Which are:
> Euclidean space
> 'isochrony'
> stationary situation (neither A nor B shall move)
>
> This is especially interesting, because Einstein actually dealt with
> movement in subsequent chapters and rejected absolute (Euclidean) space
> and isochrony.
>
> TH
> >
> > Certainly, if I place myself at a point placed equidistant from A and B,
> > for example on the perpendicular which passes through M in the middle of
> > AB, I would have t(AB)=t(BA) like Eisntein says it.
> >
> > But not if I'm in A, and not if I'm in B.
> >
> > It is this difficulty that physicists today do not seem to understand,
> > due to their abstract religious belief in a โ€œplan of present timeโ€.
> >
> > Although I have explained to them how the RR has worked for 40 years,
> > and why many things are wrong with their geometry, they are absolutely
> > incapable of questioning or even listening without seeking to humiliate
> > or even threaten death.
> >
> > It's simply incredible and worthy of the greatest Hollywood films.
> >
> > R.H.

Actually Einstein's last word on relativity includes a "the time".

I read Einstein's "Out of My Later Years" and it's his last word on relativity.


Click here to read the complete article
Re: Ehrenfest paradox

<uoe6cc$eukj$1@paganini.bofh.team>

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Subject: Re: Ehrenfest paradox
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 by: Archie Rusnak Dunajs - Fri, 19 Jan 2024 16:01 UTC

Volney wrote:

> On 1/16/2024 3:44 AM, Thomas Heger wrote:
>> 2AB/c is incorrect, because a scalar-product of a position vector A and
>> a position vector B is not a distance.
> Why did you write such a goofball statement like that? Einstein never
> used the scalar products, those are distances.
>> But distance from A to B was obviously meant.
>
> Again, why the goofy statement about scalar products?

absolutely unqualified. Positions are not vectors, unless they have an
apart coordinate system to relate two. You two sisters misundrestand
Einstine completely. The poor man had no choice, since those positions
were not vectors in his theory.

Re: Ehrenfest paradox

<uoe8g2$378s9$2@dont-email.me>

  copy mid

https://news.novabbs.org/tech/article-flat.php?id=130128&group=sci.physics.relativity#130128

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From: volney@invalid.invalid (Volney)
Newsgroups: sci.physics.relativity
Subject: Re: Ehrenfest paradox
Date: Fri, 19 Jan 2024 11:37:23 -0500
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 by: Volney - Fri, 19 Jan 2024 16:37 UTC

On 1/18/2024 1:52 AM, Thomas Heger wrote:
> Am 18.01.2024 um 06:06 schrieb Volney:
>> On 1/16/2024 3:44 AM, Thomas Heger wrote:
>>> Am 15.01.2024 um 21:42 schrieb Volney:
>>>> On 1/15/2024 2:12 AM, Thomas Heger wrote:
>>>>> Am 15.01.2024 um 01:17 schrieb Python:
>>>>> ...
>>>>>>>>
>>>>>>>> A major error of Einstein and SRT is the use of watches per se.
>>>>>>>>
>>>>>>>> The problem is, that light has finite velocity, even if light is
>>>>>>>> very
>>>>>>>> fast.
>>>>>>>>
>>>>>>>> But this finite velocity of light would make remote watches look
>>>>>>>> seemingly too late (by the time the signals of light take to travel
>>>>>>>> from the watch to the observer).
>>>>>>>>
>>>>>>>> Now it would be a VERY (!!!) stupid idea to compensate this
>>>>>>>> difference and adjust one of the clocks, that there is seemingly no
>>>>>>>> deleay.
>>>>>>>>
>>>>>>>> Instead the delay had to be measured and added to the time seen at
>>>>>>>> the remote clock.
>>>>>>>>
>>>>>>> That's exactly how Einstein's clock synchronization method works. It
>>>>>>> takes into account the time it takes for a signal to get from the
>>>>>>> local clock to the remote clock and the time it takes for a
>>>>>>> signal to
>>>>>>> get from the remote clock to the local clock.
>>>>>>>
>>>>>>
>>>>>> This has been shown to Thomas several times, his misunderstanding of
>>>>>> paragraph I.1 of Einstein paper is abysmal. He's sticking on the
>>>>>> idiotic claim that if delay is not mentioned then it means that delay
>>>>>> is ignored... Ironically enough Hachel's claim is that delay
>>>>>> should be
>>>>>> ignored... Cranks are insufferable...
>>>>>
>>>>>
>>>>> This is wrong, because Einstein didn't mention the delay with a single
>>>>> word anywhere in 'On the electrodynamics of moving bodies'!!!
>>>>
>>>> In the formula TA' = TA + 2AB/c, what do you think the AB/c term means?
>>>> Where does the 2 come from?
>>>
>>> I know, of course, what that equation means.
>>>
>>> A is a point in space and B is a point in space. The signal starts
>>> from A in direction of B, gets reflected there and reaches A again.
>>>
>>> 2AB/c is incorrect, because a scalar-product of a position vector A
>>> and a position vector B is not a distance.
>>
>> Why did you write such a goofball statement like that? Einstein never
>> used the scalar products, those are distances.
>
> What do you mean are distances?

As Einstein stated, AB is the distance from A to B and BA is the
distance from B to A. Since he was discussing the simple one dimensional
light beam from A to B and back, there's absolutely no reason for
obfuscation like scalar products and position vectors.
>
> 'A' is actually a character from the ASCII-character set and was used by
> Einstein in this context as name of a point.
>
> This point is not a distance (otherwise it would not be named 'point').
>
> Possibly you mean 'Euclidean coordinates'.
>
> But such coordinates are not distances neither, but actually vectors
> with three components.
>
> Eventually you had spherical coordinates in mind and mean the distance
> of that point towards the origin of the coordinate system.
>
> Well, that's not really bad, but would still require two additional
> angles, which were missing in your interpretation.
>

More obfuscation. It is a simple beam of light going from Point A to
Point B and back to Point A.

Re: Ehrenfest paradox

<uoe8jj$378s9$3@dont-email.me>

  copy mid

https://news.novabbs.org/tech/article-flat.php?id=130129&group=sci.physics.relativity#130129

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From: volney@invalid.invalid (Volney)
Newsgroups: sci.physics.relativity
Subject: Re: Ehrenfest paradox
Date: Fri, 19 Jan 2024 11:39:17 -0500
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 by: Volney - Fri, 19 Jan 2024 16:39 UTC

On 1/17/2024 1:58 AM, Thomas Heger wrote:

> But 2AB is not twice the distance from A to B.

And why do you claim that?

Re: Ehrenfest paradox

<uoect3$f3c3$2@paganini.bofh.team>

  copy mid

https://news.novabbs.org/tech/article-flat.php?id=130131&group=sci.physics.relativity#130131

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From: bndd@abrnarat.fr (Barbaro Bertrand Jacqueline)
Newsgroups: sci.physics.relativity,sci.physics,sci.math
Subject: Re: Ehrenfest paradox
Followup-To: sci.physics.relativity,sci.physics,sci.math
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 by: Barbaro Bertrand Jac - Fri, 19 Jan 2024 17:52 UTC

Volney wrote:

> On 1/17/2024 1:58 AM, Thomas Heger wrote:
>> But 2AB is not twice the distance from A to B.
>
> And why do you claim that?

as a white arab from Morocco, I think, if not mistaken, from flat
spacetime, it can't be that. Not even locally, along a different path.
Actually the poor Einstine proves that in his first lesson on his
๐˜๐—ต๐—ฒ_๐—บ๐—ผ๐˜ƒ๐—ถ๐—ป๐—ด_๐—ธ๐—ผ๐—ฒr๐—ฝ๐—ฒ๐—ฟ๐˜€. Actually rather ๐—ต๐—ถ๐˜€_๐˜„๐—ถ๐—ณ๐—ฒ (the former legit). Not my
fault.

๐— ๐—ผ๐˜€๐—ฐ๐—ผ๐˜„_๐—ฏ๐—น๐—ฎ๐—บ๐—ฒ๐˜€_๐—ฃ๐—ฎ๐—ฟ๐—ถ๐˜€_๐—ณ๐—ผ๐—ฟ_๐—ฑ๐—ฒ๐—ฎ๐˜๐—ต๐˜€_๐—ผ๐—ณ_๐—™๐—ฟ๐—ฒ๐—ป๐—ฐ๐—ต_๐—บ๐—ฒ๐—ฟ๐—ฐ๐—ฒ๐—ป๐—ฎ๐—ฟ๐—ถ๐—ฒ๐˜€_๐—ถ๐—ป_๐—จ๐—ธ๐—ฟ๐—ฎ๐—ถ๐—ป๐—ฒ
https://r%74.com/russia/590958-paris-involved-in-ukraine/
the strike conducted earlier this week killed ๐—บ๐—ผ๐—ฟ๐—ฒ ๐˜๐—ต๐—ฎ๐—ป 60 ๐—ณ๐—ผ๐—ฟ๐—ฒ๐—ถ๐—ด๐—ป
๐—บ๐—ฒ๐—ฟ๐—ฐ๐—ฒ๐—ป๐—ฎ๐—ฟ๐—ถ๐—ฒ๐˜€, predominantly French nationals.

They are now fighting alongside Napoleon Bonaparte

Had France minded their own business, these mercenaried would be home
with their families.

Poetic justice. The missile strike ripped those little Napoleon's Bones-
Apart

amazing, ๐˜๐—ต๐—ฒ_๐—ด๐—ฎ๐˜†_๐—บ๐—ฎ๐—ฐ๐—ฟ๐—ผ๐—ป didn't expect his french to be killed, and is now
very angry. The lying smile is gone from his face.

Re: Ehrenfest paradox

<qepp2pwAMsLRm9Z3_QsGwebVRlo@jntp>

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From: pourquoi-pas@tiscali.fr (Richard Hachel)
 by: Richard Hachel - Fri, 19 Jan 2024 18:56 UTC

Le 19/01/2024 ร  18:52, Barbaro Bertrand Jacqueline a รฉcrit :

> Had France minded their own business, these mercenaried would be home
> with their families.
>
> Poetic justice. The missile strike ripped those little Napoleon's Bones-
> Apart
>

French deads : 62

But...

The French did not elect Macron in 2017, nor re-elected in 2022. The
elections were rigged and no one could run. It is the American Democrats
who impose the French president (Biden, Obama, Clinton) so that he has a
woke, pro-immigrationist, Europeanist, Atlanticist, and Russophobic
philosophy.
Macron really only represents 9% of the real french electorate (now :
abstentions = 60% !!!)
He is hated by a majority of French people who do not understand his
hateful policy towards the Russians, and humiliating towards the French
industry sold to the Americans.
It is hidden from the French that French soldiers are in Ukraine (even
though there is no clear reason).
But we are outside the charter. Even if the problem is geopolitically
crucial.

R.H.

Re: Ehrenfest paradox

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Subject: Re: Ehrenfest paradox
From: ross.a.finlayson@gmail.com (Ross Finlayson)
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 by: Ross Finlayson - Fri, 19 Jan 2024 20:31 UTC

On Friday, January 19, 2024 at 8:01:24โ€ฏAM UTC-8, Archie Rusnak Dunajski wrote:
> Volney wrote:
>
> > On 1/16/2024 3:44 AM, Thomas Heger wrote:
> >> 2AB/c is incorrect, because a scalar-product of a position vector A and
> >> a position vector B is not a distance.
> > Why did you write such a goofball statement like that? Einstein never
> > used the scalar products, those are distances.
> >> But distance from A to B was obviously meant.
> >
> > Again, why the goofy statement about scalar products?
> absolutely unqualified. Positions are not vectors, unless they have an
> apart coordinate system to relate two. You two sisters misundrestand
> Einstine completely. The poor man had no choice, since those positions
> were not vectors in his theory.

If you don't know Einstein's later theory, he sort of does declare "multi-pole".

Obviously you don't know and are simply spouting.

Read "Out of My Later Years", it's Einstein's best theory of relativity.

Re: Ehrenfest paradox

<uoemrr$n3l9$1@solani.org>

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From: Physfitfreak@gmail.com (Physfitfreak)
Newsgroups: sci.physics.relativity,sci.physics,sci.math
Subject: Re: Ehrenfest paradox
Date: Fri, 19 Jan 2024 14:42:35 -0600
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 by: Physfitfreak - Fri, 19 Jan 2024 20:42 UTC

On 1/19/2024 11:52 AM, Barbaro Bertrand Jacqueline wrote:
>
> ๐— ๐—ผ๐˜€๐—ฐ๐—ผ๐˜„_๐—ฏ๐—น๐—ฎ๐—บ๐—ฒ๐˜€_๐—ฃ๐—ฎ๐—ฟ๐—ถ๐˜€_๐—ณ๐—ผ๐—ฟ_๐—ฑ๐—ฒ๐—ฎ๐˜๐—ต๐˜€_๐—ผ๐—ณ_๐—™๐—ฟ๐—ฒ๐—ป๐—ฐ๐—ต_๐—บ๐—ฒ๐—ฟ๐—ฐ๐—ฒ๐—ป๐—ฎ๐—ฟ๐—ถ๐—ฒ๐˜€_๐—ถ๐—ป_๐—จ๐—ธ๐—ฟ๐—ฎ๐—ถ๐—ป๐—ฒ
> https://r%74.com/russia/590958-paris-involved-in-ukraine/
> the strike conducted earlier this week killed ๐—บ๐—ผ๐—ฟ๐—ฒ ๐˜๐—ต๐—ฎ๐—ป 60 ๐—ณ๐—ผ๐—ฟ๐—ฒ๐—ถ๐—ด๐—ป
> ๐—บ๐—ฒ๐—ฟ๐—ฐ๐—ฒ๐—ป๐—ฎ๐—ฟ๐—ถ๐—ฒ๐˜€, predominantly French nationals.
>
> They are now fighting alongside Napoleon Bonaparte
>
> Had France minded their own business, these mercenaried would be home
> with their families.
>
> Poetic justice. The missile strike ripped those little Napoleon's Bones-
> Apart
>
> amazing, ๐˜๐—ต๐—ฒ_๐—ด๐—ฎ๐˜†_๐—บ๐—ฎ๐—ฐ๐—ฟ๐—ผ๐—ป didn't expect his french to be killed, and is now
> very angry. The lying smile is gone from his face.

Being the USA's Bitches can cost your lives.

Re: Ehrenfest paradox

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From: Physfitfreak@gmail.com (Physfitfreak)
Newsgroups: sci.physics.relativity,sci.physics,sci.math
Subject: Re: Ehrenfest paradox
Date: Fri, 19 Jan 2024 14:45:26 -0600
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 by: Physfitfreak - Fri, 19 Jan 2024 20:45 UTC

On 1/19/2024 12:56 PM, Richard Hachel wrote:
> Le 19/01/2024 ร  18:52, Barbaro Bertrand Jacqueline a รฉcrit :
>
>> ย Had France minded their own business, these mercenaried would be home
>> with their families.
>>
>> Poetic justice. The missile strike ripped those little Napoleon's Bones-
>> Apart
>>
>
> French deads : 62
> But...
> The French did not elect Macron in 2017, nor re-elected in 2022. The
> elections were rigged and no one could run. It is the American Democrats
> who impose the French president (Biden, Obama, Clinton) so that he has a
> woke, pro-immigrationist, Europeanist, Atlanticist, and Russophobic
> philosophy.
> Macron really only represents 9% of the real french electorate (now :
> abstentions = 60% !!!)
> He is hated by a majority of French people who do not understand his
> hateful policy towards the Russians, and humiliating towards the French
> industry sold to the Americans.
> It is hidden from the French that French soldiers are in Ukraine (even
> though there is no clear reason).
> But we are outside the charter. Even if the problem is geopolitically
> crucial.
>
> R.H.

Bullshit.

You Europeans are nothing but the USA's Bitches. Proof? You're dying for
the USA now. The more so, the better. Fewer stupid cro-magnons around.

Re: Ehrenfest paradox

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From: oong@aacrncog.it (Leighton Accorso Passerini)
Newsgroups: sci.physics.relativity,sci.physics,sci.math
Subject: Re: Ehrenfest paradox
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 by: Leighton Accorso Pas - Fri, 19 Jan 2024 22:56 UTC

foot in his mouth Physfitfreak wrote:

> On 1/19/2024 11:52 AM, Barbaro Bertrand Jacqueline wrote:
>> ๐— ๐—ผ๐˜€๐—ฐ๐—ผ๐˜„_๐—ฏ๐—น๐—ฎ๐—บ๐—ฒ๐˜€_๐—ฃ๐—ฎ๐—ฟ๐—ถ๐˜€_๐—ณ๐—ผ๐—ฟ_๐—ฑ๐—ฒ๐—ฎ๐˜๐—ต๐˜€_๐—ผ๐—ณ_๐—™๐—ฟ๐—ฒ๐—ป๐—ฐ๐—ต_๐—บ๐—ฒ๐—ฟ๐—ฐ๐—ฒ๐—ป๐—ฎ๐—ฟ๐—ถ๐—ฒ๐˜€_๐—ถ๐—ป_๐—จ๐—ธ๐—ฟ๐—ฎ๐—ถ๐—ป๐—ฒ
>> https://r%74.com/russia/590958-paris-involved-in-ukraine/
>> the strike conducted earlier this week killed ๐—บ๐—ผ๐—ฟ๐—ฒ ๐˜๐—ต๐—ฎ๐—ป 60 ๐—ณ๐—ผ๐—ฟ๐—ฒ๐—ถ๐—ด๐—ป
>> ๐—บ๐—ฒ๐—ฟ๐—ฐ๐—ฒ๐—ป๐—ฎ๐—ฟ๐—ถ๐—ฒ๐˜€, predominantly French nationals.
>>
>> amazing, ๐˜๐—ต๐—ฒ_๐—ด๐—ฎ๐˜†_๐—บ๐—ฎ๐—ฐ๐—ฟ๐—ผ๐—ป didn't expect his french to be killed, and is
>> now very angry. The lying smile is gone from his face.
>
> Being the USA's Bitches can cost your lives.

it ๐—ฑ๐—ผ๐—ฒ๐˜€, idiot. Can't you fucking read.

๐™ƒ๐™ค๐™ช๐™ฉ๐™๐™ž๐™จ_๐™˜๐™ก๐™–๐™ž๐™ข_๐™ฃ๐™š๐™ฌ_โ€˜๐™™๐™ž๐™ง๐™š๐™˜๐™ฉ_๐™๐™ž๐™ฉโ€™_๐™ค๐™ฃ_๐˜ผ๐™ข๐™š๐™ง๐™ž๐™˜๐™–๐™ฃ_๐™จ๐™๐™ž๐™ฅ lol
A chemical tanker was sailing from Saudi Arabia to Kuwait when it came
under attack https://r%74.com/news/590922-houthi-attack-us-ship/

Re: Ehrenfest paradox

<l11iejFdtelU1@mid.individual.net>

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From: ttt_heg@web.de (Thomas Heger)
Newsgroups: sci.physics.relativity
Subject: Re: Ehrenfest paradox
Date: Sat, 20 Jan 2024 10:39:22 +0100
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 by: Thomas Heger - Sat, 20 Jan 2024 09:39 UTC

Am 19.01.2024 um 17:39 schrieb Volney:
> On 1/17/2024 1:58 AM, Thomas Heger wrote:
>
>> But 2AB is not twice the distance from A to B.
>
> And why do you claim that?

Multiplication is assumed, if no operator is present between two
variables in an equation.

This is standard in usual mathematics.

Since A and B are variables, '2AB' means in long form:

2 * A * B

But that was, of course, not meant.

Actually meant was:

2*distance (A, B)

(with 'distancce' as name of a function with two parameters, which are
the endpoints of a streigth line in euclidean space.

In this case the function 'distance' spits out the length of the
connecting line between two points, which are here A and B.)

TH

Re: Ehrenfest paradox

<uogekd$ncfr$1@paganini.bofh.team>

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From: naar@lrcllolo.pl (Raydel Walentowicz Dubanowski)
Newsgroups: sci.physics.relativity,sci.physics,sci.math
Subject: Re: Ehrenfest paradox
Followup-To: sci.physics.relativity,sci.physics,sci.math
Date: Sat, 20 Jan 2024 12:34:21 -0000 (UTC)
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 by: Raydel Walentowicz D - Sat, 20 Jan 2024 12:34 UTC

Physfitfreak wrote:

> On 1/19/2024 12:56 PM, Richard Hachel wrote:
>> It is hidden from the French that French soldiers are in Ukraine (even
>> though there is no clear reason).
>> But we are outside the charter. Even if the problem is geopolitically
>> crucial. R.H.
>
> Bฬถอฬ“ฬŽฬ–uฬธฬพฬˆฬŽฬ‡ฬƒออฬฝฬฬƒฬฒอ“ฬซฬ™ฬ˜อ‰lฬทฬ‰อฬ„อ‹ฬ”ฬ‰ฬ†ฬ™ฬกอˆอฬงอˆอˆฬขlฬทฬ‰อฬ„อ‹ฬ”ฬ‰ฬ†ฬ™ฬกอˆอฬงอˆอˆฬขsฬธฬƒฬ•ฬฬฝฬŒฬ—อ™ฬคอฬฉฬคออฬฬ–hฬทฬฬˆอŠฬ•อ—อ’ฬ“อ‹ฬ‘อ†อ“ฬ—ฬœอšฬคฬฃอ‰ฬฆiฬถอ‘ฬ„อ„ฬพฬ•ฬพฬ…ฬขtฬตฬ”อŒฬฬšฬ”ฬƒอ—อฬบอ…ฬบฬฌฬฬฬ ฬฃฬจ.
> You Europeans aฬถrฬถeฬถ nฬถoฬถtฬถhฬถiฬถnฬถgฬถ bฬถuฬถtฬถ tฬถhฬถeฬถ UฬถSฬถAฬถ'sฬถ Bฬถiฬถtฬถcฬถhฬถeฬถsฬถ. Pฬถrฬถoฬถoฬถfฬถ? Yฬถoฬถuฬถ'rฬถeฬถ dฬถyฬถiฬถnฬถgฬถ fฬถoฬถrฬถ
> tฬถhฬถeฬถ UฬถSฬถAฬถ nฬถoฬถwฬถ. Tฬถhฬถeฬถ mฬถoฬถrฬถeฬถ sฬถoฬถ, tฬถhฬถeฬถ bฬถeฬถtฬถtฬถeฬถrฬถ. Fฬถeฬถwฬถeฬถrฬถ sฬถtฬถuฬถpฬถiฬถdฬถ cฬถrฬถoฬถ-mฬถaฬถgฬถnฬถoฬถnฬถsฬถ aฬถrฬถoฬถuฬถnฬถdฬถ.

you fucking braindead unskilled and unqualified idiot. You dirty
๐˜€๐—บ๐—ฒ๐—น๐—น๐—ฒ๐—ป๐˜€๐—ธ๐—ถ๐—ฒ๐˜€ will be send back to what is left from polakia and ukurina.
Look.

๐™’๐™€'๐™๐™€_๐™‰๐™€๐˜ผ๐™๐™„๐™‰๐™‚_๐™…๐™๐˜ฟ๐™‚๐™€๐™ˆ๐™€๐™‰๐™_๐˜ฟ๐˜ผ๐™”_๐™๐™Š๐™_๐™๐™ƒ๐™€_๐˜ฟ๐™€๐™ˆ๐™Š๐™‰๐™Ž_2024-01-17_๐™†๐™€๐™‰๐˜ผ๐™‰_(๐™‘๐™„๐˜ฟ๐™€๐™Š)
https://bi%74%63hute.com/video/Kh6E0AG0qrJ1

Re: Ehrenfest paradox

<uoi50n$njhp$2@solani.org>

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From: Physfitfreak@gmail.com (Physfitfreak)
Newsgroups: sci.physics.relativity,sci.physics,sci.math
Subject: Re: Ehrenfest paradox
Date: Sat, 20 Jan 2024 22:02:30 -0600
Message-ID: <uoi50n$njhp$2@solani.org>
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 by: Physfitfreak - Sun, 21 Jan 2024 04:02 UTC

On 1/20/2024 6:34 AM, Raydel Walentowicz Dubanowski wrote:
> ๐™’๐™€'๐™๐™€_๐™‰๐™€๐˜ผ๐™๐™„๐™‰๐™‚_๐™…๐™๐˜ฟ๐™‚๐™€๐™ˆ๐™€๐™‰๐™_๐˜ฟ๐˜ผ๐™”_๐™๐™Š๐™_๐™๐™ƒ๐™€_๐˜ฟ๐™€๐™ˆ๐™Š๐™‰๐™Ž_2024-01-17_๐™†๐™€๐™‰๐˜ผ๐™‰_(๐™‘๐™„๐˜ฟ๐™€๐™Š)
> https://bi%74%63hute.com/video/Kh6E0AG0qrJ1
>

Hahhahah :) Heil fucking Hitler!

Hanson, go screw yourself. You're a baby compared to a Jew. Hang
yourself, that's better.

Re: Ehrenfest paradox

<uoia6m$2igb$1@dont-email.me>

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From: volney@invalid.invalid (Volney)
Newsgroups: sci.physics.relativity
Subject: Re: Ehrenfest paradox
Date: Sun, 21 Jan 2024 00:31:01 -0500
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 by: Volney - Sun, 21 Jan 2024 05:31 UTC

On 1/20/2024 4:39 AM, Thomas Heger wrote:
> Am 19.01.2024 um 17:39 schrieb Volney:
>> On 1/17/2024 1:58 AM, Thomas Heger wrote:
>>
>>> But 2AB is not twice the distance from A to B.
>>
>> And why do you claim that?
>
> Multiplication is assumed, if no operator is present between two
> variables in an equation.

No, it is also a common way to indicate the distance between two points
A and B, as long as they were previously identified as being points,
which Einstein did.
>
> This is standard in usual mathematics.

One standard.
>
> Since A and B are variables, '2AB' means in long form:
>
> 2 * A * B

No, it means twice the distance between points A and B.
>
> But that was, of course, not meant.

Exactly. Why are you trying to introduce garbage?
>
> Actually meant was:
>
> 2*distance (A, B)

Exactly. Why did you bring up crap like 2*A*B, which makes no sense if A
and B are predefined as two points?
>
>
> (with 'distancce' as name of a function with two parameters, which are
> the endpoints of a streigth line in euclidean space.

Babble.
>
> In this case the function 'distance' spits out the length of the
> connecting line between two points, which are here A and B.)
>
More babble.

Re: Ehrenfest paradox

<l13tgcFrkkiU1@mid.individual.net>

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Newsgroups: sci.physics.relativity
Subject: Re: Ehrenfest paradox
Date: Sun, 21 Jan 2024 08:00:21 +0100
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 by: Thomas Heger - Sun, 21 Jan 2024 07:00 UTC

Am 21.01.2024 um 06:31 schrieb Volney:
> On 1/20/2024 4:39 AM, Thomas Heger wrote:
>> Am 19.01.2024 um 17:39 schrieb Volney:
>>> On 1/17/2024 1:58 AM, Thomas Heger wrote:
>>>
>>>> But 2AB is not twice the distance from A to B.
>>>
>>> And why do you claim that?
>>
>> Multiplication is assumed, if no operator is present between two
>> variables in an equation.
>
> No, it is also a common way to indicate the distance between two points
> A and B, as long as they were previously identified as being points,
> which Einstein did.
>>
>> This is standard in usual mathematics.
>
> One standard.
>>
>> Since A and B are variables, '2AB' means in long form:
>>
>> 2 * A * B
>
> No, it means twice the distance between points A and B.
That was meant, but not written.

The real name is actually 'line segment':

https://en.wikipedia.org/wiki/Line_segment

this is the part of a streigth line through A and B, which is between A
and B.

A and B are symbols, which were used as names of points by Einstein.

But points cannot be put into an equation (like 2AB), because points are
physical objects and equations can only deal with mathematical objects.

The closest thing to a mathematical object named 'A' would be the
position vector of point A, because vectors are mathematical objects and
could be multiplied.

Since Einstein didn't say that often, how his symbols had to be
interpreted, he left it essentially to the reader to make sense out of
his text.

Since I'm a reader, too, I had chosen the next possible mathematical
interpretation of A and B, which is the position vector.

If Einstein wanted that, he could, but had to make a statement, what he
wanted instead.

Because he didn't, I'm free to interpret his text in the next plausible
way, which leads to a wrong equation.
....

TH

Re: Ehrenfest paradox

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Subject: Re: Ehrenfest paradox
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In-Reply-To: <uoe8g2$378s9$2@dont-email.me>
 by: Thomas Heger - Sun, 21 Jan 2024 07:02 UTC

Am 19.01.2024 um 17:37 schrieb Volney:

>>>>> In the formula TA' = TA + 2AB/c, what do you think the AB/c term
>>>>> means?
>>>>> Where does the 2 come from?
>>>>
>>>> I know, of course, what that equation means.
>>>>
>>>> A is a point in space and B is a point in space. The signal starts
>>>> from A in direction of B, gets reflected there and reaches A again.
>>>>
>>>> 2AB/c is incorrect, because a scalar-product of a position vector A
>>>> and a position vector B is not a distance.
>>>
>>> Why did you write such a goofball statement like that? Einstein never
>>> used the scalar products, those are distances.
>>
>> What do you mean are distances?
>
> As Einstein stated, AB is the distance from A to B and BA is the
> distance from B to A. Since he was discussing the simple one dimensional
> light beam from A to B and back, there's absolutely no reason for
> obfuscation like scalar products and position vectors.

A and B were defined as points in space.

But since when is space one dimensional?

....

TH

....


tech / sci.physics.relativity / Re: Ehrenfest paradox

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