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Article #5349

Re: Is a clock second an interval of universal time???

#5349
From: Pentcho Valev
Date: Fri, 21 Mar 2008 14:56
49 lines
4794 bytes
On Mar 21, 4:11 pm, Tom Roberts <tjroberts...@sbcglobal.net> wrote in
sci.physics.relativity:
> kk wrote:
> > A light source S is floating in space, and as
> > observers in different frames A, B, C, and D
> > move toward S (with their x axes parallel),
> > S emits a light signal toward these frames.
> > Contrary to Einstein's crazy assumption, since
> > each frame moves differently wrt S, each moves
> > differently wrt any light that S emits.
>
> You are assuming what you are trying to "prove".
>
> Note that Einstein's "assumption" does not directly apply in this case
> -- his second postulate is that relative to a give inertial frame, the
> speed of light is independent of the motion of the source of the light.
>
> Just because YOU think light OUGHT TO behave that way does not mean that
> it actually does -- that is an EXPERIMENTAL question. There are a large
> number of experiments that test this postulate (and consequences of it),
> and NONE of them invalidate it (within the domain of SR). See: http://math.ucr.edu/home/baez/physics/Relativity/SR/experiments.html

Roberts Roberts nobody would find your site useful, not even your
criminal brothers - silly zombies like you are unable to expain
anything. Just compare the following texts:

http://math.ucr.edu/home/baez/physics/Relativity/SR/experiments.html
Silly zombie Tom Roberts: "The Michelson-Morley experiment (MMX) was
intended to measure the velocity of the Earth relative to the
"lumeniferous æther" which was at the time presumed to carry
electromagnetic phenomena. The failure of it and the other early
experiments to actually observe the Earth's motion through the æther
became significant in promoting the acceptance of Einstein's theory of
Special Relativity, as it was appreciated from early on that
Einstein's approach (via symmetry) was more elegant and parsimonious
of assumptions than were other approaches (e.g. those of Maxwell,
Hertz, Stokes, Fresnel, Lorentz, Ritz, and Abraham)."

http://philsci-archive.pitt.edu/archive/00001743/02/Norton.pdf
Clever Einsteinian John Norton: "Einstein regarded the Michelson-
Morley experiment as evidence for the principle of relativity, whereas
later writers almost universally use it as support for the light
postulate of special relativity......THE MICHELSON-MORLEY EXPERIMENT
IS FULLY COMPATIBLE WITH AN EMISSION THEORY OF LIGHT THAT CONTRADICTS
THE LIGHT POSTULATE."

Pentcho Valev
pvalev@yahoo.com
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From: Pentcho Valev <pvalev@yahoo.com>
Newsgroups: sci.physics.relativity,sci.physics,sci.astro,fr.sci.physique,fr.sci.maths
Subject: Re: Is a clock second an interval of universal time???
Date: Fri, 21 Mar 2008 07:56:41 -0700 (PDT)
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