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Natural Science Forum / Physics / Relativity / February 2008



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ThreadLast Post  Replies
if gravity is not a force, why they want to unite gravity with EM and     other forces?29 Feb 2008 19:05 GMT4
amazin, adolf einstine gets a nobel proving
gravity is not a force by geometry,
then tha rest of his life, they say, he struggled
to unite gravity with EM and weak and strong forces
Questions about Path Intergral for Lagrangian Density = 029 Feb 2008 15:01 GMT1
I have a question:  Consider the path integral:
Z = DA exp[-iS(A)] = C exp [iW(J)]
where S(A) = $d^4x L.
Above, the field variable is A, the source of the field is J, the
The Concept 'Now' and Hyperbolic Spacetime29 Feb 2008 14:00 GMT38
There are a variety of ways in which we refer to the
present time. We refer to the present year, the present
month, week, day, hour, minute, and could refer even
to the present microsecond, although it would take
Is the extrinsic curvature of a curve related to its 4-acceleration?29 Feb 2008 09:27 GMT1
Say we have a curve embedded in a 2-D manifold. I actually have two
notions of curvature for this curve (not counting intrinsic since it's
zero). One is its extrinsic curvature and the other its 4-
acceleration. It seems to me they must be somehow related but I have
what is the speed of gravity geometry?29 Feb 2008 02:56 GMT1
if gravity is not a force but geometry, how
can this geometry have a speed?
Astronomers discover largest-ever dark matter structures spanning     270M light-years29 Feb 2008 01:27 GMT1
A University of British Columbia astronomer with an international team
has discovered the largest structures of dark matter ever seen.
http://mozhi.org/mozhi%20news/ns406.htm
Measuring 270 million light-years across, these dark matter structures
Henri: Proof that the emission theory is inconsistent28 Feb 2008 19:12 GMT138
Henri, this one is for you.
Given:
The emission theory states that the speed of light is constant c relative to
the source, and Galilean relativity applies.
How are photons mirrored?28 Feb 2008 13:12 GMT13
What happens at the surface of the mirror?
I will explain after I know how it works,  for what purpose I asked
this.
The Pioneer Effect, and a New Theory of Gravity28 Feb 2008 12:34 GMT13
It was inevitable that if there were found to be serious flaws in our
physics and in our understanding of gravity or such things as
'momentum' these would be quickly revealed beginning in the early
1970s, when human beings first began to explore space.
Multi Level Marketing - Mutual Pension Plan - Teambuilding and     Internet Marketing28 Feb 2008 11:20 GMT1
Mutual Assets - Washington, Brussels, Tokyo and London constructive
center
Global Institutional Fund Analytics - Pension Assets Prognostic (MLM).
CWM WORLDWIDE - Principal Assets Prognostication Ascribe. A
Contrasting Pair: Matter and Nothingness28 Feb 2008 05:48 GMT92
"Matter exists on the motion created by Nothingness drawing Matter back
into the Nothingness from whence it came."
Constructive comments in simple terms, pro and con will be appreciated.
Worldwide Home Workers Needed.27 Feb 2008 23:12 GMT1
Worldwide Home Workers Needed.
Earn by doing simple Computer Jobs. No Selling Required.
No Going out of Home. No Office. No Boss. Not a 9 to 5 job.
No experience required. Simple Jobs. Basic knowledge of
Discarding Relativity: the twin paradox and Schrodinger's cat27 Feb 2008 22:22 GMT22
I'm going to prove that when the travelling twin B returns
close to twin A at rest, he is younger than A, and A is
younger than B, too. It is saying the twin paradox and
Schrodinger's cat are actually the same phenomenon!.
the theory of close loop wormholed universe27 Feb 2008 19:52 GMT4
my intuition force me to explain how tha
whole thing with universe sticks together
there are nno any big bangs, neither small,
and you always are in tha middle of univerese
Kepler's Third Law27 Feb 2008 00:40 GMT19
On Feb 23, 7:17 pm, Eric Gisse <jowr...@gmail.com> wrote:
> What's a metric signature, Ken?
>  Now you have to explain why the masses of the planets as determined
> through Kepler's 3rd law is wrong,...
Pages: 1 2 3 4 5 6 7 8 9 January, 2008
 
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