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Topic: Preferred Frame Theory indistinguishable from SR
Replies: 204   Last Post: Jul 13, 2010 11:11 AM

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Daryl McCullough

Posts: 2,871
Registered: 1/29/05
Re: Preferred Frame Theory indistinguishable from SR
Posted: Jul 4, 2010 10:18 PM
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harald says...

>Einstein explained how a paradox arose with the inception of GRT:

It's at http://tiny.cc/kz0uq

I read the dialog, and I do not agree with your description of it, as a paradox
of GR. The fact is, as I said, the "GR description" is actually not GR at all,
it's SR being expressed in noninertial coordinates. The use of the term
"gravitational field" is picturesque and suggestive, but nothing that Einstein
says about interpreting the twin paradox from the point of view of the traveling
twin is in any way dependent on Einstein's theory of gravity. As I have pointed
out, the relationship goes the other way around: Einstein's theory of gravity
piggy-backs on SR as expressed in non-inertial coordinates.

If you start with ordinary coordinates (x,t), and do a transformation to
noninertial accelerated coordinates, then in these new coordinates there are
weird effects:

1. An unsupported object will spontaneously accelerate "downward". A force must
be exterted to keep a massive object "at rest".

2. For two clocks at rest at different "heights", the one that is higher will
run faster (that is, dT/dt is greater, where T is the time on the clock, and t
is coordinate time).

These are *not* inferences from GR. They are inferences from *Special
Relativity* that are derivable using calculus. You can picturesquely describe an
accelerated coordinate system in terms of "gravitational fields" as an
explanation for point 1, but that has no physical content. You are just giving a
name to the effect in point 1.

To reiterate, I think that you have completely misinterpreted the twin paradox
if you believe that is a consistency issue for General Relativity. It is not.
The only "General Relativity" that Einstein uses in that dialog is SR +
noninertial coordinates, which cannot *POSSIBLY* be inconsistent unless SR is.

--
Daryl McCullough
Ithaca, NY



Date Subject Author
6/26/10
Read Re: Preferred Frame Theory indistinguishable from SR
Koobee Wublee
6/26/10
Read Re: Preferred Frame Theory indistinguishable from SR
Koobee Wublee
6/26/10
Read Re: Preferred Frame Theory indistinguishable from SR
Peter Webb
6/29/10
Read Re: Preferred Frame Theory indistinguishable from SR
Koobee Wublee
7/1/10
Read Re: Preferred Frame Theory indistinguishable from SR
artful
7/2/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/2/10
Read Re: Preferred Frame Theory indistinguishable from SR
Androcles
7/2/10
Read Re: Preferred Frame Theory indistinguishable from SR
Daryl McCullough
7/2/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/2/10
Read Re: Preferred Frame Theory indistinguishable from SR
Daryl McCullough
7/2/10
Read Re: Preferred Frame Theory indistinguishable from SR
PD
7/3/10
Read Re: Preferred Frame Theory indistinguishable from SR
colp
7/3/10
Read Re: Preferred Frame Theory indistinguishable from SR
eric gisse
7/5/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/5/10
Read Re: Preferred Frame Theory indistinguishable from SR
Daryl McCullough
7/11/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/11/10
Read Re: Preferred Frame Theory indistinguishable from SR
Daryl McCullough
7/11/10
Read Re: Preferred Frame Theory indistinguishable from SR
Daryl McCullough
7/11/10
Read Re: Preferred Frame Theory indistinguishable from SR
colp
7/11/10
Read Re: Preferred Frame Theory indistinguishable from SR
eric gisse
7/12/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/12/10
Read Re: Preferred Frame Theory indistinguishable from SR
Daryl McCullough
7/12/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/12/10
Read Re: Preferred Frame Theory indistinguishable from SR
Daryl McCullough
7/13/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
6/29/10
Read Re: Preferred Frame Theory indistinguishable from SR
colp
6/29/10
Read Re: Preferred Frame Theory indistinguishable from SR
PD
7/1/10
Read Re: Preferred Frame Theory indistinguishable from SR
artful
7/2/10
Read Re: Preferred Frame Theory indistinguishable from SR
PD
7/3/10
Read Re: Preferred Frame Theory indistinguishable from SR
colp
7/9/10
Read Re: Preferred Frame Theory indistinguishable from SR
Ken Seto
7/9/10
Read Re: Preferred Frame Theory indistinguishable from SR
eric gisse
7/10/10
Read Re: Preferred Frame Theory indistinguishable from SR
colp
7/4/10
Read Re: Preferred Frame Theory indistinguishable from SR
PD
6/29/10
Read Re: Preferred Frame Theory indistinguishable from SR
colp
6/29/10
Read Re: Preferred Frame Theory indistinguishable from SR
Androcles
7/3/10
Read Re: Preferred Frame Theory indistinguishable from SR
PD
7/10/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/10/10
Read Re: Preferred Frame Theory indistinguishable from SR
PD
7/10/10
Read Re: Preferred Frame Theory indistinguishable from SR
PD
7/3/10
Read Re: Preferred Frame Theory indistinguishable from SR
Koobee Wublee
7/4/10
Read Re: Preferred Frame Theory indistinguishable from SR
hanson
7/4/10
Read Re: Preferred Frame Theory indistinguishable from SR
whoever
7/6/10
Read Re: Preferred Frame Theory indistinguishable from SR
Koobee Wublee
7/6/10
Read Re: Preferred Frame Theory indistinguishable from SR
Peter Webb
7/7/10
Read Re: Preferred Frame Theory indistinguishable from SR
hanson
7/5/10
Read Re: Preferred Frame Theory indistinguishable from SR
colp
7/5/10
Read Re: Preferred Frame Theory indistinguishable from SR
whoever
7/5/10
Read Re: Preferred Frame Theory indistinguishable from SR
eric gisse
7/11/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/11/10
Read Re: Preferred Frame Theory indistinguishable from SR
Daryl McCullough
7/12/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/12/10
Read Re: Preferred Frame Theory indistinguishable from SR
Daryl McCullough
6/29/10
Read Re: Preferred Frame Theory indistinguishable from SR
PD
7/3/10
Read Re: Preferred Frame Theory indistinguishable from SR
colp
7/4/10
Read Re: Preferred Frame Theory indistinguishable from SR
whoever
7/4/10
Read Re: Preferred Frame Theory indistinguishable from SR
Cosmik Debris
7/4/10
Read Re: Preferred Frame Theory indistinguishable from SR
Androcles
7/10/10
Read Re: Preferred Frame Theory indistinguishable from SR
colp
7/11/10
Read Re: Preferred Frame Theory indistinguishable from SR
Ken Seto
7/6/10
Read Re: Preferred Frame Theory indistinguishable from SR
PD
6/30/10
Read Re: Preferred Frame Theory indistinguishable from SR
colp
6/30/10
Read Re: Preferred Frame Theory indistinguishable from SR
whoever
7/4/10
Read Re: Preferred Frame Theory indistinguishable from SR
PD
7/11/10
Read Re: Preferred Frame Theory indistinguishable from SR
PD
7/7/10
Read Re: Preferred Frame Theory indistinguishable from SR
colp
6/30/10
Read Re: Preferred Frame Theory indistinguishable from SR
PD
7/3/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/3/10
Read Re: Preferred Frame Theory indistinguishable from SR
Daryl McCullough
7/3/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/4/10
Read Re: Preferred Frame Theory indistinguishable from SR
Daryl McCullough
7/4/10
Read Re: Preferred Frame Theory indistinguishable from SR
glbrad01
7/4/10
Read Re: Preferred Frame Theory indistinguishable from SR
eric gisse
7/4/10
Read Re: Preferred Frame Theory indistinguishable from SR
artful
7/4/10
Read Re: Preferred Frame Theory indistinguishable from SR
Ken Seto
7/4/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/4/10
Read Re: Preferred Frame Theory indistinguishable from SR
Androcles
7/4/10
Read Re: Preferred Frame Theory indistinguishable from SR
Daryl McCullough
7/4/10
Read Re: Preferred Frame Theory indistinguishable from SR
Daryl McCullough
7/4/10
Read Re: Preferred Frame Theory indistinguishable from SR
Aetherist
7/4/10
Read Re: Preferred Frame Theory indistinguishable from SR
Y.Porat
7/4/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/4/10
Read Re: Preferred Frame Theory indistinguishable from SR
Daryl McCullough
7/5/10
Read Re: Preferred Frame Theory indistinguishable from SR
colp
7/5/10
Read Re: Preferred Frame Theory indistinguishable from SR
whoever
7/5/10
Read Re: Preferred Frame Theory indistinguishable from SR
colp
7/11/10
Read Re: Preferred Frame Theory indistinguishable from SR
colp
7/11/10
Read Re: Preferred Frame Theory indistinguishable from SR
Ken Seto
7/5/10
Read Re: Preferred Frame Theory indistinguishable from SR
Koobee Wublee
7/5/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/5/10
Read Re: Preferred Frame Theory indistinguishable from SR
Daryl McCullough
7/5/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/5/10
Read Re: Preferred Frame Theory indistinguishable from SR
Daryl McCullough
7/5/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/5/10
Read Re: Preferred Frame Theory indistinguishable from SR
Daryl McCullough
7/5/10
Read Re: Preferred Frame Theory indistinguishable from SR
Daryl McCullough
7/5/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/5/10
Read Re: Preferred Frame Theory indistinguishable from SR
Aetherist
7/5/10
Read Re: Preferred Frame Theory indistinguishable from SR
eric gisse
7/5/10
Read Re: Preferred Frame Theory indistinguishable from SR
hanson
7/6/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/6/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/6/10
Read Re: Preferred Frame Theory indistinguishable from SR
Daryl McCullough
7/6/10
Read Re: Preferred Frame Theory indistinguishable from SR
Aetherist
7/6/10
Read Re: Preferred Frame Theory indistinguishable from SR
Aetherist
7/7/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/7/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/6/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/6/10
Read Re: Preferred Frame Theory indistinguishable from SR
Daryl McCullough
7/7/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/7/10
Read Re: Preferred Frame Theory indistinguishable from SR
Daryl McCullough
7/7/10
Read Re: Preferred Frame Theory indistinguishable from SR
Tom Roberts
7/7/10
Read Re: Preferred Frame Theory indistinguishable from SR
Daryl McCullough
7/8/10
Read Re: Preferred Frame Theory indistinguishable from SR
Tom Roberts
7/7/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/7/10
Read Re: Preferred Frame Theory indistinguishable from SR
Daryl McCullough
7/7/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/7/10
Read Re: Preferred Frame Theory indistinguishable from SR
Daryl McCullough
7/7/10
Read Re: Preferred Frame Theory indistinguishable from SR
colp
7/7/10
Read Re: Preferred Frame Theory indistinguishable from SR
Androcles
7/7/10
Read Re: Preferred Frame Theory indistinguishable from SR
whoever
7/7/10
Read Re: Preferred Frame Theory indistinguishable from SR
J. Clarke
7/7/10
Read Re: Preferred Frame Theory indistinguishable from SR
colp
7/7/10
Read Re: Preferred Frame Theory indistinguishable from SR
artful
7/7/10
Read Re: Preferred Frame Theory indistinguishable from SR
J. Clarke
7/7/10
Read Re: Preferred Frame Theory indistinguishable from SR
colp
7/7/10
Read Re: Preferred Frame Theory indistinguishable from SR
eric gisse
7/8/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/7/10
Read Re: Preferred Frame Theory indistinguishable from SR
PD
7/8/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/8/10
Read Re: Preferred Frame Theory indistinguishable from SR
Daryl McCullough
7/8/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/8/10
Read Re: Preferred Frame Theory indistinguishable from SR
Edward Green
7/8/10
Read Re: Preferred Frame Theory indistinguishable from SR
Daryl McCullough
6/30/10
Read Re: Preferred Frame Theory indistinguishable from SR
colp
7/5/10
Read Re: Preferred Frame Theory indistinguishable from SR
artful
7/6/10
Read Re: Preferred Frame Theory indistinguishable from SR
PD
7/12/10
Read Re: Preferred Frame Theory indistinguishable from SR
PD
7/7/10
Read Re: Preferred Frame Theory indistinguishable from SR
colp
7/7/10
Read Re: Preferred Frame Theory indistinguishable from SR
whoever
7/7/10
Read Re: Preferred Frame Theory indistinguishable from SR
eric gisse
6/30/10
Read Re: Preferred Frame Theory indistinguishable from SR
artful
6/30/10
Read Re: Preferred Frame Theory indistinguishable from SR
Daryl McCullough
7/6/10
Read Re: Preferred Frame Theory indistinguishable from SR
colp
6/30/10
Read Re: Preferred Frame Theory indistinguishable from SR
artful
7/1/10
Read Re: Preferred Frame Theory indistinguishable from SR
Koobee Wublee
7/1/10
Read Re: Preferred Frame Theory indistinguishable from SR
whoever
7/1/10
Read Re: Preferred Frame Theory indistinguishable from SR
Koobee Wublee
7/1/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/1/10
Read Re: Preferred Frame Theory indistinguishable from SR
Androcles
7/1/10
Read Re: Preferred Frame Theory indistinguishable from SR
PD
6/30/10
Read Re: Preferred Frame Theory indistinguishable from SR
Koobee Wublee
6/30/10
Read Re: Preferred Frame Theory indistinguishable from SR
whoever
7/1/10
Read Re: Preferred Frame Theory indistinguishable from SR
eric gisse
7/2/10
Read Re: Preferred Frame Theory indistinguishable from SR
Koobee Wublee
7/6/10
Read Re: Preferred Frame Theory indistinguishable from SR
PD
7/1/10
Read Re: Preferred Frame Theory indistinguishable from SR
colp
7/1/10
Read Re: Preferred Frame Theory indistinguishable from SR
colp
7/1/10
Read Re: Preferred Frame Theory indistinguishable from SR
Koobee Wublee
7/1/10
Read Re: Preferred Frame Theory indistinguishable from SR
whoever
7/1/10
Read Re: Preferred Frame Theory indistinguishable from SR
PD
7/1/10
Read Re: Preferred Frame Theory indistinguishable from SR
Koobee Wublee
7/1/10
Read Re: Preferred Frame Theory indistinguishable from SR
PD
7/1/10
Read Re: Preferred Frame Theory indistinguishable from SR
eric gisse
7/1/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/1/10
Read Re: Preferred Frame Theory indistinguishable from SR
Koobee Wublee
7/1/10
Read Re: Preferred Frame Theory indistinguishable from SR
artful
7/2/10
Read Re: Preferred Frame Theory indistinguishable from SR
Koobee Wublee
7/2/10
Read Re: Preferred Frame Theory indistinguishable from SR
Koobee Wublee
7/2/10
Read Re: Preferred Frame Theory indistinguishable from SR
artful
7/2/10
Read Re: Preferred Frame Theory indistinguishable from SR
Koobee Wublee
7/2/10
Read Re: Preferred Frame Theory indistinguishable from SR
artful
7/2/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/2/10
Read Re: Preferred Frame Theory indistinguishable from SR
Koobee Wublee
7/2/10
Read Re: Preferred Frame Theory indistinguishable from SR
PD
7/2/10
Read Re: Preferred Frame Theory indistinguishable from SR
Koobee Wublee
7/2/10
Read Re: Preferred Frame Theory indistinguishable from SR
PD
7/2/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/3/10
Read Re: Preferred Frame Theory indistinguishable from SR
Daryl McCullough
7/1/10
Read Re: Preferred Frame Theory indistinguishable from SR
artful
7/1/10
Read Re: Preferred Frame Theory indistinguishable from SR
PD
7/8/10
Read Re: Preferred Frame Theory indistinguishable from SR
PD
7/3/10
Read Re: Preferred Frame Theory indistinguishable from SR
colp
7/1/10
Read Re: Preferred Frame Theory indistinguishable from SR
colp
7/7/10
Read Re: Preferred Frame Theory indistinguishable from SR
colp
7/1/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/1/10
Read Re: Preferred Frame Theory indistinguishable from SR
Androcles
7/1/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/1/10
Read Re: Preferred Frame Theory indistinguishable from SR
Androcles
7/1/10
Read Re: Preferred Frame Theory indistinguishable from SR
artful
7/1/10
Read Re: Preferred Frame Theory indistinguishable from SR
artful
7/2/10
Read Re: Preferred Frame Theory indistinguishable from SR
harald
7/2/10
Read Re: Preferred Frame Theory indistinguishable from SR
PD
7/1/10
Read Re: Preferred Frame Theory indistinguishable from SR
colp
7/3/10
Read Re: Preferred Frame Theory indistinguishable from SR
PD
7/6/10
Read Re: Preferred Frame Theory indistinguishable from SR
Koobee Wublee
7/6/10
Read Re: Preferred Frame Theory indistinguishable from SR
Peter Webb

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