Article View: sci.physics.relativity
Article #5617Re: LEE SMOLIN AGAINST ISAAC NEWTON
From: Randy Poe
Date: Wed, 06 Feb 2008 18:54
Date: Wed, 06 Feb 2008 18:54
42 lines
3531 bytes
3531 bytes
On Feb 6, 12:39 pm, Albertito <albertito1...@gmail.com> wrote:
> On 6 feb, 16:48, "Androcles" <Headmas...@Hogwarts.physics> wrote:
>
>
>
> > <srp2...@gmail.com> wrote in message
>
> >news:4695358e-db97-4485-94b4-06f417a451d4@i7g2000prf.googlegroups.com...
> > On 6 fÊv, 02:34, Pentcho Valev <pva...@yahoo.com> wrote:
>
> > >http://philipball.blogspot.com/2007/09/arthur-eddington-was-innocent-...
> > > "With the technology then available, measuring the bending of
> > > starlight was very challenging. And contrary to popular belief,
> > > Newtonian physics did not predict that light would remain undeflected
> > > - Einstein himself pointed out in 1911 that Newtonian gravity should
> > > cause some deviation too. So the matter was not that of an all-or-
> > > nothing shift in stars' positions, but hinged on the exact numbers."
>
> > | Right.
>
> > | Classical Newtonian mechanics predicts that light will bend with
> > | twice the angle observed.
>
> > How?
>
> I'll tell you how. In order to see how newtonian gravity can
> bend the trajectory of a photon, relativists fake it. They
> magically tranform a photon with energy E into a particle
> with mass m = E/2c^2, it is saying half the mass in E = mc^2.
> Then, relativists assume that particle passes by the massive
> body from infinity travelling locally at c, and then they can
> apply newtonian gravity to see how its trajectory is deflected
> into a hyperbolic one. As a result there is a deflection angle
> twice the observed one. A particle with mass m = E/c^2,
> travelling locally at c from infinity, would be deflected in
> the correct angle, under newtonian gravity.
Why don't you do the Newtonian calculation before
making this claim?
- Randy
Technical Details
Message-ID:
<8e59fbdc-a6c1-4a9b-bc73-7b6a266a086b@y5g2000hsf.googlegroups.com>Path:
arc1-ca.pugleaf.net!g2news1.google.com!postnews.google.com!y5g2000hsf.googlegroups.com!not-for-mailReferences:
<e3cb16d6-c73b-4e59-9f50-5cda6da5d475@m62g2000hsb.googlegroups.com> <4695358e-db97-4485-94b4-06f417a451d4@i7g2000prf.googlegroups.com> <9xlqj.57995$801.21058@fe1.news.blueyonder.co.uk> <2d490532-d50e-4844-87de-3e344d32a38c@e25g2000prg.googlegroups.com>Show Full Headers
Complete Article Headers
X-Google-Thread: 10f545,89f2be10e566fb3e X-Google-Thread: 10b271,89f2be10e566fb3e X-Google-Thread: fa4c1,89f2be10e566fb3e X-Google-Thread: 1139f8,89f2be10e566fb3e X-Google-Thread: f55d3,89f2be10e566fb3e X-Google-Attributes: gid10f545,gid10b271,gidfa4c1,gid1139f8,gidf55d3,public,usenet X-Google-Language: ENGLISH,ASCII Path: arc1-ca.pugleaf.net!g2news1.google.com!postnews.google.com!y5g2000hsf.googlegroups.com!not-for-mail From: Randy Poe <poespam-trap@yahoo.com> Newsgroups: sci.physics.relativity, sci.physics, fr.sci.physique, fr.sci.maths, fr.sci.philo Subject: Re: LEE SMOLIN AGAINST ISAAC NEWTON Date: Wed, 6 Feb 2008 10:54:19 -0800 (PST) Organization: http://groups.google.com Lines: 42 Message-ID: <8e59fbdc-a6c1-4a9b-bc73-7b6a266a086b@y5g2000hsf.googlegroups.com> References: <e3cb16d6-c73b-4e59-9f50-5cda6da5d475@m62g2000hsb.googlegroups.com> <4695358e-db97-4485-94b4-06f417a451d4@i7g2000prf.googlegroups.com> <9xlqj.57995$801.21058@fe1.news.blueyonder.co.uk> <2d490532-d50e-4844-87de-3e344d32a38c@e25g2000prg.googlegroups.com> NNTP-Posting-Host: 192.35.37.20 Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: posting.google.com 1202324060 14738 127.0.0.1 (6 Feb 2008 18:54:20 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: Wed, 6 Feb 2008 18:54:20 +0000 (UTC) Complaints-To: groups-abuse@google.com Injection-Info: y5g2000hsf.googlegroups.com; posting-host=192.35.37.20; posting-account=bSICGQkAAADSbkxAJ5uMxFegr4rp0Qig User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.4) Gecko/20070515 Firefox/2.0.0.4,gzip(gfe),gzip(gfe) X-HTTP-Via: 1.1 squid.atl.lmco.com:3128 (squid/2.5.STABLE14)