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NNTP-Posting-Date: Mon, 09 Sep 2024 02:37:02 +0000
Subject: Re: Steel Man of Einstein & Relativity.
Newsgroups: sci.physics.relativity
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 <7dfa7214e108991221d9b7115961ca87@www.novabbs.com>
From: Ross Finlayson <ross.a.finlayson@gmail.com>
Date: Sun, 8 Sep 2024 19:37:03 -0700
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On 09/08/2024 06:58 PM, rhertz wrote:
> Things were as follows, in the period 1911-1915:
>
> 1) Einstein followed the ideas of Poisson, Faraday and Maxwell (gravity
> and electromagnetism),in the sense that gravity was exerted through
> FIELDS, not FORCES (Newton). To clarify, Poisson and Gauss didn't
> rejected Newton, but only re-wrote Newton's equations of gravitation in
> terms of fields and density.
>
> 2) In his 1911 Einstein, very stupidly, assimilated the POTENTIAL ENERGY
> of electromagnetic energy (photons) to ANY gravitational potential
> energy of any object raised from Earth's surface. But he APPLIED IT to
> photons, writing the infamous equation f=f' (1+g.h/c2). This stupid
> formula was brought up to the light again in 1961, by the Pound-Rebka
> experiment in the paper "Do photons have mass?", which they later
> reproduced by changing the name to "Red-shifting", using gamma rays from
> Fe57 compound and the Mossbauer effect (no recoil).
>
> 3) Einstein was desperate to find a mathematician that could do the
> dirty work since then. Firs tried with Alexander Pick, in Prague, but
> the "partnership" lasted one year. He abandoned the professorship in
> Prague and run to Berna, when he convinced his "friend" Marcel Grossman
> to be the co-author of a paper on GR, promising him fame and glory.
> Grossman, old pal from college, was specialized in differential
> geometry, but his know-how was FAR AWAY from what was needed to write
> even the first sketch of GR (Entwurf I, 1913).
>
> 4) Looking for HELP to find a mathematics that could cover spacetime
> (four variables), he got the advice and full support of Levi-Civita, an
> italian mathematician that (in his school), had expanded Riemann's
> theory of N-Dimensions space with the use of Ricci tensors and
> Christoffen symbols. Using it for 4-space dimensions posed a problem
> because, as it described 4D objects of any form, as a point was used to
> navigate such 4D surface, it suffered TORSIONS. There was only ONE
> SOLUTION to avoid the problem of variant and contravariant variables and
> IT WAS to use a Ricci's connector, which was torsion-free. Yet, the
> solution was used ONLY for 4 dimensions of space!
>
> 5) What Grossman did was to replace the fourth spatial coordinate for
> ct, which IS NOT A SPATIAL DIMENSION. By doing so, he created the tensor
> notation of GR with spacetime embedded. When Grossman presented his
> solution to Einstein, he went bananas and BEGGED to Grossman to develop
> the mathematical framework of GR (1913 solution). Simplifying the
> complex set of equations by using a context of ONLY ONE MASS in vacuum,
> at the center of reference, it was all set to present it in society.
> Only that it didn't work, because neither Grossman nor Einstein did
> accept the hysterical advices of Levi-Civita, who detailed to them the
> errors while using contravariant expressions.
>
> 6) Prior to the start of WWI, and the moving of Einstein to Berlin in
> March 1914, a second publication with both names (Entwurf II) was
> published, but was MATHEMATICALLY WRONG
>
> 7) It took, for Einstein, more than 1.5 years and THE ADVICES of
> Levi-Civita, Schwarzschild, Hilbert and other advisors like Lorentz (to
> cite a few of the impressive staff supporting him), to obtain a
> MATHEMATICALLY CORRECT STRUCTURE OF GR, just exactly in November 1915).
> Einstein promptly presented to the Prussian Academy of Science
> (Schwarzchild was present that day) HIS SOLUTION for the Mercury's
> problem. In the same paper included a few cryptic lines about that he
> obtained a new value for the deflection of starlight grazing the Sun's
> surface. He used APPROXIMATIONS to solve Mercury's problem, and NEVER
> EVER presented any written proof of his assertion about startlight
> deflection. Yet, by then HE DIDN'T UNDERSTAND THE MATHEMATICS THAT HE
> PRESENTED!
>
> As a gentleman he was, Hilbert taught Einstein about the field equations
> composition, what took up to March 1916. Einstein did thank Hilbert IN A
> LETTER (also to Levi-Civita. Incredibly, he was more than UNGRATEFUL to
> Scharzschild, who provided THE ONLY ANALYTICAL SOLUTION to the case of
> GR with only one mass in December 1915. A solution that remained unique
> until 1962, with the Kerr's solution for a rotating mass. At any case,
> due to complexities, Schawrzchild's solution (with a minor correction
> published by Hilbert in 1917) is the FAVORITE SOLUTION for relativists
> AS OF TODAY.
>
> 8) That GR equations implied a twisted and retorted spacetime (IDIOTIC,
> IMPOSSIBLE) was not a problem for the new generation of "apostles of
> physics", avid to use the complex mathematical set of GR to invent any
> possible (and stupid) new theory mounted on it (Black Holes,
> Gravitational Waves, space moving faster than light, support for the
> BBT, etc.).
>
> 9) The core of the theory, for laymen, is that heavy gravitational
> masses (like the Sun) bend space. So, the gravitational field (a result
> of GEOMETRICAL DISTORTIONS OF SPACE) produce A WELL INTO SPACE, through
> which objects FALL TOWARDS THE CENTER, where the heavy mass is located).
> As you can see, GRAVITY in GR is not caused by FORCES, but by objects
> that accelerate while falling toward the center of the spatial
> depletion.
>
>
> SEE WHY GR IS IDIOTIC? IT'S AN INVENTION, WITHOUT ANY EMPIRICAL SUPPORT.
> On the other hand, you can prove HOW EXACT Newtonian gravitational
> forces are JUST HERE ON EARTH, and at any small scale.
>
> Hope this complement your OP. Plus, to highlight the need of PROPER
> KNOWLEDGE OF HISTORY OF SCIENCE.

Yeah, but he did it _first_.