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From: hitlong@yahoo.com (gharnagel)
Newsgroups: sci.physics.relativity
Subject: Re: The HOAX of GR effects in GPS and other artificial satellites,
Date: Wed, 18 Sep 2024 13:06:56 +0000
Organization: novaBBS
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On Wed, 18 Sep 2024 3:56:44 +0000, ProkaryoticCaspaseHomolog wrote:
>
> Two paragraphs that I wrote for Wikipedia which are nearly unchanged
> from when I first wrote them a decade ago:
> "Proposals that may lead to a quantum theory of gravity such as string
> theory and loop quantum gravity predict violations of the weak
> equivalence principle because they contain many light scalar fields
> with long Compton wavelengths, which should generate fifth forces and
> variation of the fundamental constants. Heuristic arguments suggest
> that the magnitude of these equivalence principle violations could be
> in the 10−13 to 10−18 range.
> "Currently envisioned tests of the weak equivalence principle are
> approaching a degree of sensitivity such that non-discovery of a
> violation would be just as profound a result as discovery of a
> violation. Non-discovery of equivalence principle violation in this
> range would suggest that gravity is so fundamentally different from
> other forces as to require a major reevaluation of current attempts to
> unify gravity with the other forces of nature. A positive detection,
> on the other hand, would provide a major guidepost towards unification."

Well, it looks like 10^-13 to 10^-14 predictions are in very great
doubt.  Do you know which theories are predicting violations this big?