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Article #5435

Re: relativity, anger, swearing

#5435
From: Pentcho Valev
Date: Sun, 02 Mar 2008 14:55
60 lines
3909 bytes
On Mar 2, 4:24 pm, Randy Poe <poespam-t...@yahoo.com> wrote:
> On Mar 2, 8:20 am, steve O <steve.g.oa...@gmail.com> wrote:
>
> > My first posting to this group - may be my last :-)
> > Why is there so much anger on this group when the subject is physics ?
> > If some physics is 'wrong' then it will soon be found out by someone
> > doing an experiment ?
> > Swearing at others or getting so emotional is not going to convince
> > anyone ?
> > If engineers are compensating for GR and SR time dilation in the GPS
> > satellite positioning system then relativity must have something going
> > for it - the reason I say this is because many engineers have been
> > extremely sceptical about SR over the years but they now embrace it.
> > For all those people who can't accept the results of relativity - can
> > they point to some prediction that has been shown to be false by
> > experiment ?
>
> Sure, that's easy. The anti-relativists point to any
> experimental test and say "they're lying, obviously
> the real result disproved relativity" or "I'll bet they
> never even performed that experiment".
>
> Ta-da, relativity disproved!
>
>          - Randy

Randy Randy things are simpler than that. You consider for instance
the Pound-Rebka result

f' = f(1+V/c^2)

where f is frequency and V is gravitational potential, and then you
discover whether it confirms Einstein's 1911 equation

c' = c(1+V/c^2)

showing how the sped of light varies with the gravitational potential,
or rather it confirms the assumption that the speed of light is
constant in a gravitational field:

c' = c

If Randy Randy you think it is Einstein's 1911 equation c'=c(1+V/c^2)
that is confirmed, then you apply Einstein's equivalence principle: so
you discover that c'=c(1+V/c^2) is equivalent to the equation:

c' = c+v

where v is the relative speed of the light source and the observer in
the absence of a gravitational field.

And that is all Randy Randy - then you sing "Divine Einstein" and go
into convulsions:

http://www.bnl.gov/community/Tours/EinsteinPics/Einsteine.jpg
http://www.haverford.edu/physics-astro/songs/divine.htm
http://www.physicstoday.org/vol-58/iss-7/images/devine_einstein.mp3

Pentcho Valev
pvalev@yahoo.com
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From: Pentcho Valev <pvalev@yahoo.com>
Newsgroups: sci.physics.relativity,sci.physics,fr.sci.physique,fr.sci.philo,fr.sci.maths
Subject: Re: relativity, anger, swearing
Date: Sun, 2 Mar 2008 06:55:35 -0800 (PST)
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