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Natural Science Forum / Physics / Relativity / December 2004



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ThreadLast Post  Replies
GOD=G_uv  A CHRISTMAS MESSAGE31 Dec 2004 16:54 GMT27
GOD=G_uv  A CHRISTMAS MESSAGE
2,004 years ago Jesus announced a revolutionary
social theory:
       That Man is by nature cooperative,
"length contraction" according to Lorentz and Poincare - An example31 Dec 2004 16:28 GMT32
In a recent posting I saw the claim:
"Under SR, A thinks that B's ruler is shorter.  B thinks that A's
ruler is shorter.
Under LET, A thinks that B's ruler is shorter.  B thinks that A's
'moving through space' vs 'space expanding'31 Dec 2004 16:09 GMT7
Modern cosmology has introduced the concept of
'expanding space'.  Cf. the inflation theory of
creation, and recently the dark energy 'negative
gravity' hypothesis.  In these scenarios, it is
obvious absolute31 Dec 2004 13:04 GMT19
A moving clock must have a proper absolute time rate
A moving ruler must have its proper absolute length
if we think that the clock time rate and the ruler length are affected from
their speed, then the speed in order to have effect on  the clock and on the
Do black holes repel matter?31 Dec 2004 08:41 GMT10
Open forum.
I need some constructive feedback from you guys on some ideas that I
have been working on over Christmas.
I started with a simple scetch of a space-time diagram and probably got
The Fundamental Difference Between Mathematicians and Physicists31 Dec 2004 00:38 GMT58
"Bilge" <dubious@radioactivex.lebesque-al.net> wrote in message
news:slrncsss81.ni.dubious@radioactivex.lebesque-al.net...
> Eugene Shubert:
> >"Bilge" <dubious@radioactivex.lebesque-al.net> wrote in message
Gravimagnetic C^3 & Boundary of a boundary vanishes30 Dec 2004 22:30 GMT1
"The boundary of a boundary vanishes." John A. Wheeler
Metric Engineering Investigations 1.7
Ray Chiao's Gravimagnetic Superconducting Radio Submarine Warfare?
On Dec 30, 2004, at 9:33 AM, RKiehn2352@aol.com wrote:
What gives an object its identity30 Dec 2004 18:14 GMT8
> I'll ask you or pietanza, either will do: What gives an object its
> verifiable identity to a human?
there is no answer to this, because to verify a identity of a given object
requires case by case a not identifiable set of tools and a full knowledge
Re: On the Similarities and Differences between Lorentz 1904 (LET) and Einstein 1905 (SR)30 Dec 2004 15:03 GMT9
Thomas Clarke <tclarke@ist.ucf.edu> wrote in message
> greywolf42 <mingstb@marssim-ss.com> wrote in message news:...
> > GRADinc <gradinc@aol.com> wrote in message
> > news:20041216091322.11861.00001945@mb-m16.aol.com...
GOD=G_uv  A CHRISTMAS MESSAGE30 Dec 2004 12:01 GMT2
2,004 years ago Jesus announced a revolutionary
social theory:
       That Man is by nature cooperative,
       not competitive, and that this is true
another paradox ???30 Dec 2004 10:37 GMT8
Versus the system K the relatively moving system K' is moving at .5 C
from the origin of K' (at moment of the two origins meet) a ball is send at
the speed of .5 C, as measured in K', in the same direction  of the moviment
of K'.
'nother conundrum!30 Dec 2004 07:22 GMT8
A (University) site somewhere said that when the sun is overhead, that
a person is pulled toward the sun with a force of about an ounce
(compared to sunset) due to sun's tidal pull on him.
Unfortunately, they didn't say whether this effect is measurable on a
my gravity theory - Web Link30 Dec 2004 01:54 GMT61
I've decided to produce a Web Page version of my gravity theory.  This
is an excerpt from my book ("Meme" - Sean Sinjin) and I hope you find
this informative enough.  Comments, criticism, and petty jabs are most
welcome.
General Realativity Comprehension29 Dec 2004 23:50 GMT8
When do students of Astronomy or Physics start to understand general
relativity. Is it while they are in the Master's level? Can anyone guess a
percentage? Thank you. This question may sound trivial, but please indulge
me. It means a great deal to me. Thanks again.
Relativists cannot count to three.29 Dec 2004 22:59 GMT53
If  I stand before a vertical surface and throw a ball 'o' with speed
'u', catching it as it returns, I need a minumum of two coordinates
to describe the events of emission, reflection and reception.
Ao----------(+u - >)------------* emission
Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 November, 2004
 
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