🚀 go-pugleaf

In article <CLUNE.95Jun20092538@pasta.colorado>, clune@pasta.colorado (Thomas L. Clune) writes:
|>>>>>> "Gene" == Gene Preston <gene.preston@access.texas.gov> writes:
|>In article <3s6f2t$9ed@geraldo.cc.utexas.edu> gene.preston@access.texas.gov (Gene Preston) writes:
|>
|>
|>    >> The idea I have mentioned here, that relatively speaking, the
|>    >> earth may well be stationary and the universe rotating around
|>    >> it is valid and
|>    Gene> there
|>    >> is no way we can tell what is happening from our point of view.
|>    Gene> Everything
|>    >> can be interpreted in either way...
|>    >> 
|>
|>    Gene> This is garbage and violates about every physical law I can
|>    Gene> think of.  What century are you from?
|>
|>    Gene> ...gene preston
|>
|>I disagree.  It is entirely straightforward to take a theory like
|>general relativity and *express* it entirely in terms of a stationary
|>Earth at the center of a revolving universe.  In fact one does not
|>need to modify the theory at all.  A major part of GR is basically a recipe
|>for expressing the laws of physics as deduced in one frame in another
|>frame.  In particular, we can write the laws of physics as they would
|>appear in the coordinate system mentioned above.
|>
|>The *reason* modern physicists do not do this is that the resulting
|>equations are inelegant (read "horrendous").   Since an extremely
|>elegant coordinate-free description is available, Occam's razor leads
|>us to the conventional representation.
|>
|>------------------------------------------------------------------------------
|>Tom Clune
|>email:clune@solarz.colorado.edu
|
<snip>

Ever heard of the problem of Helium-4 rotation in the superfluid state. 
If you have a rotating container with He4 in it, cool it below the super-fluid
critical temperature then all the fluid stops rotating or all of it rotates.
This is independant of frame of reference, the container still rotates.
If you stop rotating th econtainer there is, scant, evidence that the He4
is rotating. The question is with respect to what is at rest, rotating to ?
It is thought that this is a case of an Einstein-Bose Quantum Fluid.

It indicates that the He4 is stationary, rotating wrt the "Fixed Stars". 
-- 
Dave Barlow -  Lurker at the Threshold

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mine alone                 | The lamentations of their Women
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