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Is distance A to B = distance B to A? by
rotchm@yahoo.com
Consider the standard ( 1 dim ) Cartesian coordinate system and its
concept of position (which is just a selection of an element of the
set of reals). Distance in this case...
( 1 2)
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What is the distance to a black hole? by
Dr. Photon
TR wrote
"Well, "short" is a matter of details. For instance, in a flat
manifold
and a ship accelerating at 1 g, that "short" distance is about 1
lightyear(!)."
Doh! This...
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expanding universe / energy question by
DavidBowman
What's wrong with this picture (because something is, and *I* sure as
hell don't know what):
1) The expansion of the universe puts extra space between objects...
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much crazier ether theories by
shevek
If you troll this newsgroup for crazy ideas about "ether", take a look
at
http://www.ethericwarriors.com
(warning: no physics)
Sorry, was this physics.relativity or...
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d: clash of the titans by
DavidBowman
Bilge was explaining to me how photons can interfere wwith themselves,
even though they don't change or have a frequency, which is is WAY
counterintuitive.
As I was rying to...
( 1 2 3)
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Summation notation and tensors by
Zinc Potterman
I am trying to learn relativity using D'Inverno's book and it's really mind
boggling, especially now I am able to appreciate more of the maths, but have
hit tensors which i...
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Summation notation & tensors by
Zinc Potterman
I am trying to learn relativity using D'Inverno's book and it's really mind
boggling, especially now I am able to appreciate more of the maths, but have
hit tensors which i...
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GPS Plate Tectonics by
jahn
The Global Positioning System (GPS) is a constellation of 24 satellites which is used for navigation and precise geodetic position
measurements. Daily position estimates...
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Questions for David Thomson by
Bert
David Thomson appears to be back from vacation.
He wrote about 7 replies in the thread "Nobel Prize
for David Thomson?" to different posters who questioned
him on several...
( 1 2 3 ... Last Page)
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What is the distance to a black hole? by
Dr. Photon
JB wrote
Another possibility comes to mind - about "optical illusions"
again.
The mass actually does fall through the horizon, and keeps on
pulling
the line behind...
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Derivation of Lorentz Transf in vector form by
Zinc Potterman
I'm after a derivation of LT's in vector form. I've searched lots of SR websites but most go off into tensors which I haven't learnt yet. (Book in the post)
r' = r + v
I...
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Relativity in Fiction by
Paul Howard
http://www.thehowardcollection.com/Grandpa/Prologue is a strange story where
Grandpa tries to explain the Theory of Relativity to his grandchildren.
Paul Howard
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Understanding Einstein's Math by
Tom Capizzi
In Einstein's 1905 paper there are a number of mathematical derivations.
Ref: http://www.fourmilab.ch/etexts/einstein/specrel/www/
In Section 3 there is a derivation of the...
( 1 2)
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SR and very, very long-baseline interferometery by
DavidBowman
I asked this in sci.astro.research and got conflicting (but
fascinating) answers. But to my dismay, one of them adddressed a
rather minor issue, but the one I'm actually...
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The genius of relativity. by
Androcles
Below is Randy Poe's attempt to handle a coordinate system
which the imbecile Dirk Van de moortel says I do not understand.
Randy Poe:
I'm going to take another tack, one...
( 1 2 3)
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A Gift For You by
nightbat
nightbat wrote
Darla wrote:
"nightbat" wrote in message
...
nightbat wrote
Darla wrote:
( 1 2)
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