Re: The failure of the unified field theory means general relativity fails.

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Sujet : Re: The failure of the unified field theory means general relativity fails.
De : ross.a.finlayson (at) *nospam* gmail.com (Ross Finlayson)
Groupes : sci.physics.relativity
Date : 04. Jul 2024, 21:04:12
Autres entêtes
Message-ID : <5iudnThNzPCrnRr7nZ2dnZfqn_ednZ2d@giganews.com>
References : 1 2 3 4 5 6 7 8 9 10 11 12
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On 07/04/2024 12:29 PM, J. J. Lodder wrote:
Ross Finlayson <ross.a.finlayson@gmail.com> wrote:
>
On 06/26/2024 12:24 AM, J. J. Lodder wrote:
Ross Finlayson <ross.a.finlayson@gmail.com> wrote:
>
On 06/24/2024 11:49 PM, Thomas Heger wrote:
Am Dienstag000025, 25.06.2024 um 05:57 schrieb Tom Roberts:
>
Nope. YOU have imposed specific units onto the formula/equation. The
equation itself does not impose any particular units on its variables
and constants [@], it merely requires that they be self-consistent.
>
     [@] There are many systems of units in common use. You
     seem to think there is only one.
>
A forteriori, any result that depends on any particular choice
of units (or dimensions) is unphysical.
>
Yes, of course. Good point. Similarly, any result that depends on
choice of coordinates is unphysical.
>
>
Not quite...
>
Because velocity is 'relative' (relative in respect to what you regard
as 'stationary'), kinetic energy is frame dependent.
>
Since the used coordinate system defines 'stationary', you need a
coordinate system for kinetic energy and that for practically everything
else.
>
TH
>
When I hear "unphysical" I think it means "in the mathematical
representation and having no attachment to the physical representation,
in the system of units of the dimensional analysis in the
geometric setting".
>
The dimensional analysis and attachment to geometry and
arithmetic usually is about the only "physical" there is.
>
Dimensional analysis has nothing to do with physics.
Dimensions are man-made conventions.
Nothing would change if the whole concept had never been invented.
>
(Geometry and arithmetic and the objects of analysis
and so on.)
>
Things like "negative time" and "anti-deSitter space" are
unphysical, as are the non-real parts of complex analysis,
usually, though for example if you consider the Cartanian
as essentially different from the Gaussian-Eulerian,
complex analysis, then the Majorana spinor makes an
example of a detectable observable, though, one might
aver that that's its real part, in the hypercomplex.
>
Well, yes, but that is another meaning of 'unphysical,
>
Jan
>
>
Yet, "conservation", i.e. "neither the destruction or creation",
of quantities, is exactly as according to the quantity its units.
>
Conservation laws do no depend on units and dimensions in any way.
>
The, "dimensionless", when a usual sort of "dimensional analysis"
is the Buckingham-Pi approach, is a detachment of sorts from
the "dimensional analysis".
>
Yes, standard dimensional analysis,
>
Jan
>
>
Oh, here that's called 'dimensionless analysis'.

Date Sujet#  Auteur
21 Jun 24 * The failure of the unified field theory means general relativity fails.72LaurenceClarkCrossen
21 Jun 24 +* Re: The failure of the unified field theory means general relativity fails.32J. J. Lodder
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