Article View: sci.physics.relativity
Article #7355Re: Evil Twin Paradox
From: G. L. Bradford
Date: Tue, 07 Aug 2007 11:22
Date: Tue, 07 Aug 2007 11:22
42 lines
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2992 bytes
"Pentcho Valev" <pvalev@yahoo.com> wrote in message news:1186474871.253818.105710@o61g2000hsh.googlegroups.com... > On 6 AUG, 18:00, Tom Roberts <tjroberts...@sbcglobal.net> wrote in > sci.physics.relativity: >> David wrote: >> > This problem is a variation of the barn-pole paradox. It is a simple >> > application of the length contraction concept, [...] >> >> "Length contraction" applies ONLY TO A SINGLE, SPECIFIC PHYSICAL >> SITUATION. It is quite easy to get confused if you think it applies in >> general. You in particular do that repeatedly. >> >> You can ALWAYS resolve your confusions by applying the complete Lorentz >> transform. Note that for non-parallel motions, as in your example, this >> gets complicated. BUT IT IS THE ONLY WAY TO GET THE RIGHT ANSWER. >> >> Tom Roberts > > Roberts Roberts your teaching is again too abstract and your zombies > will learn nothing. See how your brother hypnotist teaches his zombies > how to trap a very long train inside a very short tunnel: > > http://www.youtube.com/watch?v=VSRIyDfo_mY&mode=related&search= > > Pentcho Valev -------------------- (> > > > > > (> > > > > > (> > > > > > (> > > > > > )))) (< < < < < < (< < < < < < (< < < < < < (< < < < < < )))) (><><><>< (><><><>< (><><><>< (><><><>< )))) (<><><><> (<><><><> (<><><><> (<><><><> )))) ? -------------------- GLB
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X-Google-Thread: 10f545,e38037926dec91a2 X-Google-Thread: 10b271,7b1065cb480769e4 X-Google-Thread: fa4c1,7b1065cb480769e4 X-Google-Attributes: gid10f545,gid10b271,gidfa4c1,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit Path: arc1-ca.pugleaf.net!g2news2.google.com!news1.google.com!border1.nntp.dca.giganews.com!nntp.giganews.com!local01.nntp.dca.giganews.com!nntp.insightbb.com!news.insightbb.com.POSTED!not-for-mail NNTP-Posting-Date: Tue, 07 Aug 2007 06:21:48 -0500 From: "G. L. Bradford" <glbrad01@insightbb.com> Newsgroups: sci.physics.relativity,sci.physics,fr.sci.physique References: <u87eb31kdqll2atvpp1bpqtja2i9n3718n@4ax.com> <nIGti.4647$Yz6.2383@newssvr22.news.prodigy.net> <1186474871.253818.105710@o61g2000hsh.googlegroups.com> Subject: Re: Evil Twin Paradox Date: Tue, 7 Aug 2007 07:22:41 -0400 X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2900.3138 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3138 X-RFC2646: Format=Flowed; Original Message-ID: <3pKdnbHVJKZRyCXbnZ2dnUVZ_q-jnZ2d@insightbb.com> Lines: 44 X-Usenet-Provider: http://www.giganews.com NNTP-Posting-Host: 74.130.49.54 X-Trace: sv3-uG4naPZrjEHIxAj+95QiKVvJts5Iw94IjjrKee/Qozd1XrZUNjWCa9/QR8/oDKKbpdTpQlnbEZwSqIs!0ttk2EzD8PZPg0OLnIzeUQaIym/n1DfHanwF6rPEB0VWXr360XVTAFoetwn2vfXZcNjz8Gds8+aP!v3XoUJL/FPzerHKH X-Complaints-To: abuse@insightbb.com X-DMCA-Complaints-To: abuse@insightbb.com X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.35