Article View: sci.physics.relativity
Article #5808Re: Fermat's principle and curved spacetime
From: JanPB
Date: Sun, 20 Jan 2008 19:22
Date: Sun, 20 Jan 2008 19:22
82 lines
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5698 bytes
On Jan 19, 10:50 pm, Pentcho Valev <pva...@yahoo.com> wrote: > On Jan 19, 5:21 pm, Tom Roberts <tjroberts...@sbcglobal.net> wrote: > > > > > Pentcho Valev wrote: > > > On Jan 18, 6:37 am, Tom Roberts <tjroberts...@sbcglobal.net> wrote in > > > sci.physics.relativity: > > >> Albertito wrote: > > >>> Then, why did Einstein propose a local speed of light as > > >>> c'= c(1 + V/c2)? > > >> Because he was struggling to find General Relativity, but had not yet > > >> figured out all the details. His intermediate formula is approximate, > > >> but not correct. When he proposed it he did not fully understand the > > >> difference between local and non-local phenomena. > > > > Roberts Roberts, Einstein's 1911 equation c'=c(1+V/c^2) is consistent > > > with the gravitational redshift factor 1+V/c^2 confirmed > > > experimentally by Pound and Rebka. > > > Sure. > > > >In other words Roberts Roberts, the > > > equation c'=c(1+V/c^2) is CORRECT, NOT APPROXIMATE: any different > > > equation (that may seem correct to you) would be inconsistent with the > > > redshift factor. > > > This is nonsense. You REALLY need to learn how mathematical physics > > works. While that equation is CONSISTENT WITH CURRENT EXPERIMENTS, that > > does not justify the word "correct". It was derived without any > > consistent theoretical framework. Such a framework was presented in > > 1915, General Relativity. In GR the formula is DIFFERENT (and cannot be > > written in closed form), but FOR THE SITUATIONS OF THE CURRENT > > EXPERIMENTS THE GR EQUATION IS NOT DISTINGUISHABLE FROM THE ABOVE > > EQUATION. That's what we mean when we say "it is an APPROXIMATION". > > > Indeed, contrary to your naive claim, the computations of GR are > > consistent with the experiments. > > > > For that reason Roberts Roberts superior brothers in > > > Einstein criminal cult have always been teaching that the speed of > > > light varies with the gravitational potential, in accordance with > > > Einstein's 1911 equation c'=c(1+V/c^2) > > > As I have said so often, your blind insistence on the validity of that > > formula is wrong. In 1911 Einstein did not fully understand the > > difference between local and global phenomena. With the advent of GR in > > 1915 Einstein (and anybody else with the wit to understand GR) learned > > the distinction between local and global: that formula is valid only > > when one uses standards of measure valid far from the location where the > > measurement was made, which is NOT how we normally measure things. > > Obviously YOU do not have the wit to understand this. > > > >http://www.physlink.com/Education/AskExperts/ae13.cfm > > > [...] > > > You should read your own references. It includes the statement "You can > > find a more sophisticated result derived later by Einstein from the full > > general theory...". That is essentially what I have been trying to tell > > you for a long time. That reference does not contradict what I have been > > saying, as long as one considers its entire discussion. > > > [Do not expect me to respond further until you grow up and > > stop acting like a spoiled 3-year-old.] > > > Tom Roberts > > Roberts Roberts your analysis of Einstein's 1911 equation c'=c(1+V/ > c^2) is so silly and contradictory that I suspect you are just > experimenting with some new ad hoc camouflage. Perhaps 10 years ago > the experiment would have been more successful but now.....Look around > you Roberts Roberts - you are the only hypnotist in Einstein criminal > cult that still defends Einstein's idiocies. Even hypnotists as silly > as Steve Carlip and John Baez now know what is going on and do not > wish to take their heads out of the sand (lately you have not seen > messages from them defending or even mentioning Einstein's relativity > have you). So you have no arguments left. Why do you post? -- Jan Bielawski
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X-Google-Thread: 10f545,e60ad8b8bd890c74 X-Google-Thread: 10b271,4fd262761489fde X-Google-Thread: f74ae,4fd262761489fde X-Google-Thread: fa4c1,4fd262761489fde X-Google-Thread: 1139f8,4fd262761489fde X-Google-Attributes: gid10f545,gid10b271,gidf74ae,gidfa4c1,gid1139f8,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit Path: arc1-ca.pugleaf.net!g2news1.google.com!postnews.google.com!i29g2000prf.googlegroups.com!not-for-mail From: JanPB <filmart@gmail.com> Newsgroups: sci.physics.relativity, sci.physics, sci.astro, fr.sci.physique, fr.sci.maths Subject: Re: Fermat's principle and curved spacetime Date: Sun, 20 Jan 2008 11:22:03 -0800 (PST) Organization: http://groups.google.com Lines: 82 Message-ID: <6bd4f785-bc03-4bee-8bee-b12c398f30b1@i29g2000prf.googlegroups.com> References: <acc87498-7d1a-4bf8-b205-e24b29b6f04b@s8g2000prg.googlegroups.com> <v2Wjj.38861$lD6.27743@newssvr27.news.prodigy.net> <f45cdd6a-6cba-49f6-aef9-089ac65e4d1b@k2g2000hse.googlegroups.com> <Wzokj.1299$nK5.656@nlpi069.nbdc.sbc.com> <1782a241-d848-4130-8433-dc24580a4862@e6g2000prf.googlegroups.com> NNTP-Posting-Host: 76.246.17.61 Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Trace: posting.google.com 1200856924 24282 127.0.0.1 (20 Jan 2008 19:22:04 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: Sun, 20 Jan 2008 19:22:04 +0000 (UTC) Complaints-To: groups-abuse@google.com Injection-Info: i29g2000prf.googlegroups.com; posting-host=76.246.17.61; posting-account=Y2v6DQoAAACGpOrX04JGhSdsTevCdArN User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-US; rv:1.8.1.11) Gecko/20071127 Firefox/2.0.0.11,gzip(gfe),gzip(gfe)