Article View: sci.physics
Article #15922Re: Defining a Time Constant
From: Pentcho Valev
Date: Tue, 28 Aug 2007 06:28
Date: Tue, 28 Aug 2007 06:28
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3213 bytes
On 28 Aug, 08:56, Tom Roberts <tjroberts...@sbcglobal.net> wrote in sci.physics: > JM Albuquerque wrote: > > Since gravity always exists, how is it possible that all experiments agree > > with SR, even if they have been done on a gravity environment. > > This is not true. Only those experiments for which gravity is negligible > agree with SR. SR cannot handle gravitation -- that realization is what > started Einstein on his decade-long trek from SR to GR. The essential myth. Roberts Roberts the fact that Einstein's light postulate http://www.fourmilab.ch/etexts/einstein/specrel/www/ "...light is always propagated in empty space with a definite velocity c which is independent of the state of motion of the emitting body." is relevant in the absence of a gravitational field DOES NOT MEAN that experiments done in the presence of a gravitational field are irrelevant with respect to the light postulate and cannot confirm or refute it. Pound and Rebka's gravitational redshift factor 1+V/c^2 for instance, through the application of the equivalence principle, either agrees with Einstein's light postulate c'=c, or disagrees with Einstein's light postulate and agrees with the variable speed of light c'=c+v given by the emission theory, where v is the relative speed of the light source and the observer. Pentcho Valev
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X-Google-Thread: 10b271,fc13924fdb9a7848 X-Google-Thread: 10f545,fc13924fdb9a7848 X-Google-Thread: f74ae,fc13924fdb9a7848 X-Google-Thread: fa4c1,aa51b869df949002 X-Google-Thread: 111645,aa51b869df949002 X-Google-Attributes: gid10b271,gid10f545,gidf74ae,gidfa4c1,gid111645,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit Path: arc1-ca.pugleaf.net!g2news2.google.com!postnews.google.com!o80g2000hse.googlegroups.com!not-for-mail From: Pentcho Valev <pvalev@yahoo.com> Newsgroups: sci.physics,sci.physics.relativity,sci.astro,fr.sci.physique,fr.sci.astrophysique Subject: Re: Defining a Time Constant Date: Mon, 27 Aug 2007 23:28:56 -0700 Organization: http://groups.google.com Lines: 29 Message-ID: <1188282536.108698.279690@o80g2000hse.googlegroups.com> References: <fau9q6$qeg$1@aioe.org> <1188224604.659416.100840@19g2000hsx.googlegroups.com> <fauoba$9na$1@aioe.org> <1188228179.769951.293970@k79g2000hse.googlegroups.com> <faur8t$i6r$1@aioe.org> <5jgg0aF3tr8hrU1@mid.individual.net> <1188236098.095610.213280@57g2000hsv.googlegroups.com> <5jghi9F3scmu8U1@mid.individual.net> <6OOAi.30766$RX.20508@newssvr11.news.prodigy.net> NNTP-Posting-Host: 85.91.141.159 Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" X-Trace: posting.google.com 1188282536 15769 127.0.0.1 (28 Aug 2007 06:28:56 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: Tue, 28 Aug 2007 06:28:56 +0000 (UTC) In-Reply-To: <6OOAi.30766$RX.20508@newssvr11.news.prodigy.net> User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30),gzip(gfe),gzip(gfe) Complaints-To: groups-abuse@google.com Injection-Info: o80g2000hse.googlegroups.com; posting-host=85.91.141.159; posting-account=ps2QrAMAAAA6_jCuRt2JEIpn5Otqf_w0