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Article #6146Re: NO SIGN OF ETHER DRIFT: WHY?
From: alainverghote
Date: Tue, 13 Nov 2007 09:28
Date: Tue, 13 Nov 2007 09:28
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3083 bytes
On 13 nov, 08:13, Pentcho Valev <pva...@yahoo.com> wrote: > http://ias.umn.edu/pdf/TimeandRelativity-Pooley.pdf > p. 11: "Problem for Lorentz's theory: no sign of ether drift (= motion > of ether with respect to earth). Many failed attempts to detect ether > drift, one of the most famous ones by Americans Albert A. Michelson > (1852-1931) and Edward W. Morley (1838-1923). > Explanation: compensating effect: length of interferometer arm changes > as it rotates: parallel to ether drift it is shorter than > perpendicular to the ether drift > Contraction (deformation) hypothesis: an object moving with a velocity > v through the ether contracts by a factor (1-v^2 c^2)^(1/2) in the > direction of motion." > > Another explanation that essentially could have been advanced by > FitzGerald, Lorentz etc. if they had been less prejudiced in favour of > the ether theory: > > http://philsci-archive.pitt.edu/archive/00001743/02/Norton.pdf > John Norton: "Einstein regarded the Michelson-Morley experiment as > evidence for the principle of relativity, whereas later writers almost > universally use it as support for the light postulate of special > relativity......THE MICHELSON-MORLEY EXPERIMENT IS FULLY COMPATIBLE > WITH AN EMISSION THEORY OF LIGHT THAT CONTRADICTS THE LIGHT > POSTULATE." > > Which explanation would have been more correct? > > Pentcho Valev "Which explanation would have been more correct?" une française explication des fois, Dis nous CLAIREMENT, si qui pourrait justifier le maintien de l'éther ... Alain
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X-Google-Thread: 10f545,e1ebd9321ee85e88 X-Google-Thread: 10b271,e1ebd9321ee85e88 X-Google-Thread: f74ae,e1ebd9321ee85e88 X-Google-Thread: fa4c1,e1ebd9321ee85e88 X-Google-Thread: 1139f8,e1ebd9321ee85e88 X-Google-Attributes: gid10f545,gid10b271,gidf74ae,gidfa4c1,gid1139f8,public,usenet X-Google-Language: ENGLISH,ASCII Path: arc1-ca.pugleaf.net!g2news1.google.com!postnews.google.com!k79g2000hse.googlegroups.com!not-for-mail From: "alainverghote@yahoo.fr" <alainverghote@yahoo.fr> Newsgroups: sci.physics.relativity,sci.physics,sci.astro,fr.sci.physique,fr.sci.maths Subject: Re: NO SIGN OF ETHER DRIFT: WHY? Date: Tue, 13 Nov 2007 01:28:27 -0800 Organization: http://groups.google.com Lines: 36 Message-ID: <1194946107.633133.19610@k79g2000hse.googlegroups.com> References: <1194938024.903129.206100@k79g2000hse.googlegroups.com> NNTP-Posting-Host: 90.31.204.43 Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-Trace: posting.google.com 1194946107 8817 127.0.0.1 (13 Nov 2007 09:28:27 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: Tue, 13 Nov 2007 09:28:27 +0000 (UTC) In-Reply-To: <1194938024.903129.206100@k79g2000hse.googlegroups.com> User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/4.0 (compatible; MSIE 6.0; Windows 98; Orange 7.4),gzip(gfe),gzip(gfe) Complaints-To: groups-abuse@google.com Injection-Info: k79g2000hse.googlegroups.com; posting-host=90.31.204.43; posting-account=ps2QrAMAAAA6_jCuRt2JEIpn5Otqf_w0