Article View: sci.physics.relativity
Article #5517Re: SR cannot determine Contraction
From: R. Josh iii
Date: Fri, 22 Feb 2008 10:12
Date: Fri, 22 Feb 2008 10:12
58 lines
4570 bytes
4570 bytes
Yanick Toutain wrote: > On Feb 22, 7:36 am, Pentcho Valev <pva...@yahoo.com> wrote: >> On Feb 22, 5:35 am, Tom Roberts <tjroberts...@sbcglobal.net> wrote in >> sci.physics.relativity: >> >>> Peri of Pera wrote: >>>> [... rephrasing of various aspects of my earlier statements] >>> Yes. >>>> The measurements of the coordinate points of a moving object by an >>>> observer and applying the Lorentz contraction formula does not >>>> constitute a valid measurement. >>> Hmmm. Making a measurement of the length of a moving object in the usual >>> way DOES constitute a valid measurement, and one obtains the "contracted >>> value". The "usual way" means having pre-positioned assistants mark the >>> endpoints of the moving object simultaneously in the observer's frame, >>> and then measuring the distance between the marks using rulers at rest >>> in the observer's frame. >> Roberts Roberts you are still a freshman among hypnotists in Einstein >> criminal cult and do not have the courage to give breathtaking >> examples when explaining length contraction. Superior brothers replace >> "marking the endpoints of the moving object simultaneously in the >> observer's frame" with "closing both doors simultaneously" and so they >> can trap a long train inside a short tunnel: >> >> http://www.youtube.com/watch?v=VSRIyDfo_mY&mode=related&search= >> >> and also a 80m long pole inside a 40m long barn: >> >> http://www.math.ucr.edu/home/baez/physics/Relativity/SR/barn_pole.html >> "These are the props. You own a barn, 40m long, with automatic doors >> at either end, that can be opened and closed simultaneously by a >> switch. You also have a pole, 80m long, which of course won't fit in >> the barn....So, as the pole passes through the barn, there is an >> instant when it is completely within the barn. At that instant, you >> close both doors simultaneously, with your switch. Of course, you open >> them again pretty quickly, but at least momentarily you had the >> contracted pole shut up in your barn." >> >> So Roberts Roberts, by trapping long things inside short things, >> superior brothers are able to demonstrate the real grandeur of >> Einstein's discoveries. >> >> Pentcho Valev >> pva...@yahoo.com > > Pentcho, avez vous lu ma page sur l'�quation qui prend la place de la > transformation de Lorentz avec un temps absolu, des vitesses absolues > et un d�lai de signal ? > http://site.voila.fr/monsyte/de/SCIENCES/scphys/COURS/objectif/Cours_de_science_objective_Les_equations.htm > > Could you translate for English readers ? > Please > YT Les cr�tins entre eux, cuvent leur haine de la science et de la civilisation... RJ
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X-Google-Thread: 10f545,cac579628f39e93d X-Google-Thread: 10b271,4ee0571d17ce45ea X-Google-Thread: fa4c1,4ee0571d17ce45ea X-Google-Thread: 1139f8,4ee0571d17ce45ea X-Google-Thread: f55d3,4ee0571d17ce45ea X-Google-Attributes: gid10f545,gid10b271,gidfa4c1,gid1139f8,gidf55d3,public,usenet X-Google-Language: ENGLISH,ASCII Date: Fri, 22 Feb 2008 06:12:29 -0400 From: "R. Josh iii" <rjosh3@wanadoo.fr> User-Agent: Thunderbird 2.0.0.6 (X11/20070902) MIME-Version: 1.0 Newsgroups: sci.physics.relativity,sci.physics,fr.sci.physique,fr.sci.maths,fr.sci.philo Subject: Re: SR cannot determine Contraction References: <4d7a4156-1486-45a7-b7af-46b7ab1bc981@e10g2000prf.googlegroups.com> <MH_tj.57861$Pv2.27370@newssvr23.news.prodigy.net> <9bbace2d-2a7f-4de3-81d8-26cd6a343a7c@e10g2000prf.googlegroups.com> <HsCuj.1195$pl4.983@newssvr22.news.prodigy.net> <ac516c5f-37ef-430e-8aef-a32b91696c02@u10g2000prn.googlegroups.com> <mqrvj.10100$0o7.9927@newssvr13.news.prodigy.net> <c3da3b94-1e2b-49ae-b97b-6b947a1fc971@34g2000hsz.googlegroups.com> <9439e549-b867-46bb-bcba-88f57caa5637@e60g2000hsh.googlegroups.com> In-Reply-To: <9439e549-b867-46bb-bcba-88f57caa5637@e60g2000hsh.googlegroups.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Lines: 58 Message-ID: <47be9fd6$0$865$ba4acef3@news.orange.fr> Organization: les newsgroups par Orange NNTP-Posting-Date: 22 Feb 2008 11:11:34 CET NNTP-Posting-Host: 80.8.26.216 X-Trace: 1203675094 news.orange.fr 865 80.8.26.216:43036 X-Complaints-To: abuse@orange.fr X-FeedAbuse: http://nntpfeed.proxad.net/abuse.pl feeded by 88.191.16.109 Path: arc1-ca.pugleaf.net!g2news1.google.com!news3.google.com!feeder1-2.proxad.net!proxad.net!feeder2-2.proxad.net!nntpfeed.proxad.net!nospam.fr.eu.org!nocworld.net!feed.ac-versailles.fr!fdn.fr!news.wanadoo.fr!news.wanadoo.fr!not-for-mail