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Feb2313 08:40 AM
ZapperZ

1 
42,293 
The section of the Usenet Physics FAQ titled "Experimental Basis of Special Relativity" has been cited here many...

Dec3107 02:06 AM
jtbell

0 
41,924 
Hello, well I just read a paper by Atish Dabholkar and Ashoke Sen, titled "Quantum Black Holes", pp. 45 as shown...

Oct1411 09:17 AM
aCHCa

2 
1,707 
EDIT: I am looking for a correction in my understanding of relativity. A model of the universe as it appears to a...

Aug1511 02:03 PM
D H

10 
1,706 
Here's the paper I'm talking about
http://arxiv.org/PS_cache/grqc/pdf/9702/9702005v1.pdf
It's times like this I...

Jan1408 09:28 PM
CJames

2 
1,705 
Einstein is commonly regarded as the primary inventor of special relativity. I'd like to trust the collective wisdom...

May1110 08:31 PM
atyy

2 
1,705 
This time I am asking for help on a problem. I think I have an answer for problem 23, part (a), but I would like...

Oct2205 09:48 PM
pmb_phy

6 
1,704 
We say that the uniformly accelerated motion x=gtt/2 is not a relativistic motion because after a sufficiently long...

Aug706 03:02 PM
pervect

2 
1,704 
I was wondering if anyone had an explicit form of the hamiltonjacobi equations for GR.
I had a little attempt myself...

Jan2908 11:16 PM
shoehorn

1 
1,704 
An astronuat in a nuclear ship accelerates away from earth and gets very near the speed of light, .99999% in fact. ...

Apr708 11:27 AM
LURCH

9 
1,704 
A recent paper has the title
"There is no really good definition of mass", phys.teach. 44 40 2006.
Do you think that...

Feb1806 03:08 PM
Careful

12 
1,703 
Hi,
I've heard it said that for Schwarzschild spacetimes, then the coordinate 'r' is an affine parameter for radial...

Feb611 04:07 AM
LAHLH

8 
1,703 
Hi there, Physics lovers!!
I've got some questions for you!!
Denoting by
(1)...

Apr2111 01:37 AM
MManuel Abad

2 
1,703 
ok, if when we look at a planet that is say 100000 light years away, and we can see it emitting light, and that light...

Nov2711 04:28 PM
ianpr

14 
1,703 
The subject of time dilations has always fascinated me. Sometimes the thought experiments can get confusing but there...

Nov1011 08:11 PM
nhmllr

4 
1,703 
Hello there Ladies and Gents! This question is (mostly) related to problem 10.2 in Wald which is to show that the...

Apr2613 08:51 AM
WannabeNewton

20 
1,703 
The example given is as follows : we have 3 space ships(numbered from left to right) placed in space moving at...

Jul1514 01:37 AM
ghwellsjr

7 
1,703 
Does the relative motion of a thing slow down the relative motion of a thing? Hope that makes sense or you can work...

Jan1812 08:53 PM
jartsa

10 
1,702 
The laws determinning the passage of light through varying densities of transparent material and through varying...

Aug2405 05:13 PM
Phobos

6 
1,701 
two identical ships launch on parallel paths r distance apart. the are completely alone ]. once they reach some...

Apr411 11:46 PM
ghwellsjr

9 
1,701 
Hello All I'm new to the forum and have a question.
I was looking at the time dilation function and noticed that...

Aug1111 05:14 PM
Ossama

9 
1,701 
Hello,
I've been doing some relativity selfstudy and have what may be a silly question but one that has me...

Nov2012 01:40 AM
akvikram_rk

16 
1,701 
Hi folks
I've picked up a rather old book. It was written back in 1965 by Fritz Rohrlich and is called "Classical...

Oct2605 11:15 AM
pmb_phy

1 
1,700 
After mulling over special relativity for a while, I have come to some conclusions that seem correct, but I don't know...

Nov1107 05:05 AM
FunkyDwarf

5 
1,700 
I assume that Misener et all are assuming some prior knowledge here, which I may have, but I do not get their...

May1608 08:36 AM
Hacky

0 
1,700 
Forgive me if I'm being naive or if this has been answered before, but, I was wondering if someone can explain to me...

May209 04:02 AM
JesseM

8 
1,700 
I have been doing searches on the relativity of time and its relation to the "age of the universe," among other...

Dec711 08:03 AM
Elroch

5 
1,700 
I had 1 year ago a little discussion with DaleSpam about the short Lorentz derivation (triangle) if a photon alone...

Apr1613 06:38 PM
digi99

16 
1,700 
Hello, I just finished reading special theory of relativity written by Albert Einstein himself. Even though I...

Aug504 08:07 PM
HungryChemist

7 
1,699 
I've read that in GR, gravity isn't considered to be a force, or that it's considered to be a fictitious force because...

Sep1307 02:08 AM
rcgldr

5 
1,699 
When you are in a box it is difficult to know the difference between if the box is accelerating in space or you are...

Feb2210 09:10 PM
gonegahgah

18 
1,699 
So, I don't get it... I know Einstein said that spacetime was a "fabric" but I can't visualize that, with us being in...

Aug510 03:48 PM
stevmg

14 
1,699 
The Grandfather Paradox
Something thats been on my mind for sometime....
If you were to travel back in time and...

Oct1410 08:25 PM
PAllen

8 
1,699 
I'm trying to use the equations on this page and I have solved the following. Is it correct?
...

Aug411 03:54 AM
randombill

1 
1,699 
Please feel free to move this to the correct forum.
After doing some reading, I've found that Electromagnetic...

Sep3012 08:59 AM
Bill_K

6 
1,699 
Can the theory of general relativity be deduced without appealing to
the ideas of special relativity? Quantum...

Jul1004 07:07 AM
einstein_vishnu

2 
1,698 
Hi folks, I have a question about a paper by Thomas Mohaupt, called
"Black hole entropy, special geometry and...

Apr207 10:11 AM
haushofer

1 
1,698 
if the time and distance between 2 events for observer A are t and d then what is the time and distance between those...

Sep2108 12:43 AM
granpa

8 
1,698 
Consider A and B are moving in a linear motion, A claims B to move, and B claims that A is in motion, now when they...

Nov310 06:04 PM
AdamMc

11 
1,698 
Hi everyone,
General relativity gives us the definition of the distance between two "events"
d=\int...

Jun1711 05:51 PM
jfy4

11 
1,698 
Why photons can't go any slower than the speed of light, in vacuum? Or if they could, then why they don't?

Aug914 03:41 PM
DaleSpam

74 
1,698 
if light hits a mirror at a 90 degree angle, wouldn't it HAVE to travel slower than the speed of light when it hit the...

Nov2111 11:03 PM
turbo

5 
1,696 