novaBBS - sci.physics.relativity - Re: Length contraction cannot cease

Re: Length contraction cannot cease

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Subject: Re: Length contraction cannot cease
From: setoke...@gmail.com (Ken Seto)
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by: Ken Seto - Sat, 22 Jul 2023 18:33 UTC

On Wednesday, July 19, 2023 at 12:57:13 PM UTC-4, mitchr...@gmail.com wrote:
> because there is no absolute rest...
> So where does it begin?

There is no material length contraction. Einstein invented this to make his SR math math OK.
In real life:
1. the length of a moving meter stick never changes.
2. What is changing is the light-path length of a moving meter stick......the length of ligh must travel to cover the material length of a moving meter stick.
3. The light-path length of the observe's meter stick is assumed to be its material length.
4. Einstein mistakingly assumed that this means that the speed of light is constant infall frames.

Re: Length contraction cannot cease

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Subject: Re: Length contraction cannot cease
From: mitchrae...@gmail.com (mitchr...@gmail.com)
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by: mitchr...@gmail.com - Sat, 22 Jul 2023 20:00 UTC

On Saturday, July 22, 2023 at 11:33:31 AM UTC-7, Ken Seto wrote:
> On Wednesday, July 19, 2023 at 12:57:13 PM UTC-4, mitchr...@gmail..com wrote:
> > because there is no absolute rest...
> > So where does it begin?
> There is no material length contraction. Einstein invented this to make his SR math math OK.
> In real life:
> 1. the length of a moving meter stick never changes.

Its absolute dimension applies.
> 2. What is changing is the light-path length of a moving meter stick.......the length of ligh must travel to cover the material length of a moving meter stick.

Sounds like atomic speed competing with light speed...
If the meter stick is moving fast ahead in the same direction...

> 3. The light-path length of the observe's meter stick is assumed to be its material length.
> 4. Einstein mistakingly assumed that this means that the speed of light is constant infall frames.

The constant speed of light is the same across the universe in any given instant.

Mitchell Raemsch

Re: Length contraction cannot cease

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Subject: Re: Length contraction cannot cease
From: setoke...@gmail.com (Ken Seto)
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by: Ken Seto - Sun, 23 Jul 2023 20:31 UTC

On Saturday, July 22, 2023 at 4:00:58 PM UTC-4, mitchr...@gmail.com wrote:
> On Saturday, July 22, 2023 at 11:33:31 AM UTC-7, Ken Seto wrote:
> > On Wednesday, July 19, 2023 at 12:57:13 PM UTC-4, mitchr...@gmail.com wrote:
> > > because there is no absolute rest...
> > > So where does it begin?
> > There is no material length contraction. Einstein invented this to make his SR math math OK.
> > In real life:
> > 1. the length of a moving meter stick never changes.
> Its absolute dimension applies.
> > 2. What is changing is the light-path length of a moving meter stick.......the length of ligh must travel to cover the material length of a moving meter stick.
> Sounds like atomic speed competing with light speed...
> If the meter stick is moving fast ahead in the same direction...
> > 3. The light-path length of the observe's meter stick is assumed to be its material length.
> > 4. Einstein mistakingly assumed that this means that the speed of light is constant infall frames.
> The constant speed of light is the same across the universe in any given instant.

The speed of light can't be constant in all frames because a clock second is not constant in all frames.
>
> Mitchell Raemsch

Re: Length contraction cannot cease

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Subject: Re: Length contraction cannot cease
From: mitchrae...@gmail.com (mitchr...@gmail.com)
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by: mitchr...@gmail.com - Mon, 24 Jul 2023 16:17 UTC

On Sunday, July 23, 2023 at 1:31:04 PM UTC-7, Ken Seto wrote:
> On Saturday, July 22, 2023 at 4:00:58 PM UTC-4, mitchr...@gmail.com wrote:
> > On Saturday, July 22, 2023 at 11:33:31 AM UTC-7, Ken Seto wrote:
> > > On Wednesday, July 19, 2023 at 12:57:13 PM UTC-4, mitchr...@gmail.com wrote:
> > > > because there is no absolute rest...
> > > > So where does it begin?
> > > There is no material length contraction. Einstein invented this to make his SR math math OK.
> > > In real life:
> > > 1. the length of a moving meter stick never changes.
> > Its absolute dimension applies.
> > > 2. What is changing is the light-path length of a moving meter stick.......the length of ligh must travel to cover the material length of a moving meter stick.
> > Sounds like atomic speed competing with light speed...
> > If the meter stick is moving fast ahead in the same direction...
> > > 3. The light-path length of the observe's meter stick is assumed to be its material length.
> > > 4. Einstein mistakingly assumed that this means that the speed of light is constant infall frames.
> > The constant speed of light is the same across the universe in any given instant.
> The speed of light can't be constant in all frames because a clock second is not constant in all frames.
> >
> > Mitchell Raemsch

The speed of light is not frame dependent. It is absolute in space.
It moves toward or away from frames that are moving themselves.

Mitchell Raemsch

Chemist who falls in acid will be tripping for weeks.

tech / sci.physics.relativity / Re: Length contraction cannot cease

Subject	Author
Re: Length contraction cannot cease	Ken Seto
Re: Length contraction cannot cease	mitchr...@gmail.com
Re: Length contraction cannot cease	Ken Seto
Re: Length contraction cannot cease	mitchr...@gmail.com