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Path: ...!news.mixmin.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Mikko <mikko.levanto@iki.fi> Newsgroups: sci.physics.relativity Subject: Re: In relativity "s" is for "spin" Date: Sat, 29 Jun 2024 11:45:37 +0300 Organization: - Lines: 34 Message-ID: <v5ohjh$3rj15$1@dont-email.me> References: <218bad07e23f4a46a00f34853e2bcf1d@www.novabbs.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Sat, 29 Jun 2024 10:45:38 +0200 (CEST) Injection-Info: dont-email.me; posting-host="465530d42c4e3c9b1f9765a0640f5097"; logging-data="4049957"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19mfEyy4PNCzm99QECrGEHZ" User-Agent: Unison/2.2 Cancel-Lock: sha1:VMHFcD8u8R2wjukDvo8/6Xo/lMY= Bytes: 2520 On 2024-06-28 18:29:02 +0000, LaurenceClarkCrossen said: > In relativity "s" is for "spin" > > For everyone's edification, I hereby share relativity explaining how > light is affected twice as much as everything else, flouting Galileo & > Eotvos. > > "Are Photons Massless or Massive?" > > = "Since the photon is a spin-1 particle, according to this new > equation, Eg^2= s^2p^2c^2 + mi^2c^4 , it follows that, s = 2 , for the > photon. In Section 10, it will become clear when we analysis the motion > of star light (electromagnetic waves) that this fact that for a photon > we must have, s = 2 , if Newtonian gravitation is to stand-up to the > eclipse measurements of the Solar gravitational bending of star light. > This fact on its it own—i.e., the fact that for a photon we must have, s > = 2 ; explains the missing factor “2” in the gravitational bending of > light angle in Newtonian gravitation. We take this as a notable > achievement of the theory of the Curved Spacetime Dirac Equations > presented in the readings [14]-[16], in that this theory has been able > to furnish a missing piece of a great puzzle. It is an achievement in > much the same way that Professor Paul Dirac [17] [18]’s equation > furnished the puzzle of the gyromagnetic ratio of the electron (see e.g. > [16] on how the Dirac equation solved the > gyromagnetic ratio of the electron)." Relativity is a theory about nature. It does not define language conventions such as meaning of "s". Spin is a quantum mechanical concept that is not relevant to most of relativity. -- Mikko