Article View: sci.physics.relativity
Article #5410Re: HOW EINSTEINIANS CAN SOLVE THE TWIN PARADOX
From: Josef Matz
Date: Fri, 07 Mar 2008 13:33
Date: Fri, 07 Mar 2008 13:33
96 lines
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5862 bytes
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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X-Google-Thread: 10f545,a08929c38433d6fa X-Google-Thread: 10b271,a08929c38433d6fa X-Google-Thread: fa4c1,a08929c38433d6fa X-Google-Thread: f74ae,e54cc787d19fecff X-Google-Thread: 1139f8,a08929c38433d6fa X-Google-Attributes: gid10f545,gid10b271,gidfa4c1,gidf74ae,gid1139f8,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit Path: arc1-ca.pugleaf.net!g2news1.google.com!news3.google.com!feeder3.cambrium.nl!feed.tweaknews.nl!newsfeed0.kamp.net!newsfeed.kamp.net!newsfeed-fusi2.netcologne.de!news.netcologne.de!newsfeed-hp2.netcologne.de!npeer.de.kpn-eurorings.net!npeer-ng1.kpn.DE!newsfeed.arcor.de!newsspool1.arcor-online.net!news.arcor.de.POSTED!not-for-mail 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 X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Lines: 98 Message-ID: <47d144ba$0$25506$9b4e6d93@newsspool1.arcor-online.net> Organization: Arcor NNTP-Posting-Date: 07 Mar 2008 14:35:55 CET NNTP-Posting-Host: 1410e658.newsspool1.arcor-online.net X-Trace: DXC=fRCSVJ6b0Tl_0Po7BmQ3]lic==]BZ:afn4Fo<]lROoRaFl8W>\BH3YbUPd\Gcmk24na6RIj3N0@S`[02L0dnmD4f1k@P04L?JGo X-Complaints-To: usenet-abuse@arcor.de