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Article #5410

Re: HOW EINSTEINIANS CAN SOLVE THE TWIN PARADOX

#5410
From: Josef Matz
Date: Fri, 07 Mar 2008 13:33
96 lines
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Zombie Dono i agree - very good !!!!!!!!!


Josef



"Pentcho Valev" <pvalev@yahoo.com> schrieb im Newsbeitrag
news:f07e2200-8fa9-419b-82d4-2792fe4caba8@2g2000hsn.googlegroups.com...
> Pentcho Valev <pva...@yahoo.com> wrote in sci.physics.relativity:
> > http://www.amazon.com/Relativity-Its-Roots-Banesh-Hoffmann/dp/0486406768
> > "Relativity and Its Roots" by Banesh Hoffmann, Chapter 5.
> > (I do not have the text in English so I am giving it in French)
> > Banesh Hoffmann, "La relativite, histoire d'une grande idee", Pour la
> > Science, Paris, 1999, p. 126:
> > "Dans un cas, je compare votre horloge a deux des miennes; dans
> > l'autre, vous comparez la mienne a deux des votres; ceci permet a
> > chacun de nous d'observer, sans absurdite, que l'horloge de l'autre
> > est plus lente que la sienne."
> >
> > Translation from French: "In one case, I compare your clock with two
> > of mine; in the other case, you compare my clock with two of yours:
> > this allows each of us to observe, without absurdity, that the clock
> > of the other is slower than his own."
> >
> > The following observer has two clocks placed on the periphery of a
> > rotating disc, and is going to compare them with a single non-rotating
> > clock (at rest):
> >
> > http://www.bartleby.com/173/23.html
> > Albert Einstein (1879-1955).  Relativity: The Special and General
> > Theory.  1920.
> > XXIII.  Behaviour of Clocks and Measuring Rods on a Rotating Body of
> > Reference
> > "An observer who is sitting eccentrically on the disc K' is sensible
> > of a force which acts outwards in a radial direction..."
> >
> > The only difficulty comes from the fact that the two rotating clocks
> > are not inertial. However, by increasing the diameter of the disc
> > while keeping the linear speed of the periphery constant, one can make
> > them virtually inertial.
> >
> > That is, Einsteinians will make two simple modifications in Einstein's
> > rotating-disc experiment:
> >
> > 1. The non-rotating clock (at rest in K) is no longer placed at the
> > center of the disc; rather, it is outside the disc but close to the
> > rotating periphery where it can be directly compared with passing
> > rotating clocks fixed on the periphery.
> >
> > 2. Einsteinians will increase the diameter of the disc while keeping
> > the linear speed of the periphery constant. So clocks fixed on the
> > rotating periphery will become virtually inertial.
> >
> > The two modifications will allow Einsteinians to prove, in accordance
> > with Einstein's 1905 light postulate, both:
> >
> > 1. that rotating clocks run slower than non-rotating clocks.
> >
> > 2. that non-rotating clocks run slower than rotating clocks.
> >
> > Finally, Einsteinians will see in the dictionary what REDUCTIO AD
> > ABSURDUM means.
>
> In a heated discussion extremely silly zombie Tom Roberts explained
> how Einsteinians can trap a long pole inside a short barn while less
> silly zombie Dono saw an absurdity in this simple corollary of
> Einstein's 1905 false light postulate:
>
>
http://groups.google.com/group/sci.physics.relativity/browse_frm/thread/cac5
79628f39e93d?
>
> Now it is time for zombie Roberts to explain why the non-rotating
> observer (at rest in K) sees rotating clocks running slower than non-
> rotating clocks while the rotating observer (sitting eccentrically on
> the disc K') sees non-rotating clocks running FASTER than rotating
> clocks. Zombie Dono may discover another absurdity in zombie Roberts'
> explanation and may even pay some more attention to Einstein's two
> confessions:
>
> Albert Einstein: "If the speed of light is the least bit affected by
> the speed of the light source, then my whole theory of relativity and
> theory of gravity is false."
>
>
http://www.perimeterinstitute.ca/pdf/files/975547d7-2d00-433a-b7e3-4a0914552
5ca.pdf
> Albert Einstein: "I consider it entirely possible that physics cannot
> be based upon the field concept, that is on continuous structures.
> Then nothing will remain of my whole castle in the air, including the
> theory of gravitation, but also nothing of the rest of contemporary
> physics."
>
> Pentcho Valev
> pvalev@yahoo.com
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From: "Josef Matz" <josefmatz@arcor.de>
Newsgroups: sci.physics.relativity,sci.physics,fr.sci.physique,sci.astro,fr.sci.maths
References: <9ae96431-1335-4041-9c44-31de9ecab412@u72g2000hsf.googlegroups.com> <373a0db8-6940-41f2-9d04-b7c3ae4e26c3@n77g2000hse.googlegroups.com> <f07e2200-8fa9-419b-82d4-2792fe4caba8@2g2000hsn.googlegroups.com>
Subject: Re: HOW EINSTEINIANS CAN SOLVE THE TWIN PARADOX
Date: Fri, 7 Mar 2008 14:33:45 +0100
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