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Mar11-14 10:20 AM bcrowell 

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Special & General Relativity

- Dependence of various physical phenomena on relative motion of the observer and the observed objects. Exp. & theo. theories of relativity
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The section of the Usenet Physics FAQ titled "Experimental Basis of Special Relativity" has been cited here many...
Dec31-07 02:06 AM
jtbell
0 37,235
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Feb23-13 08:40 AM
ZapperZ
1 37,500
Im doing a project this yr on the title in the subject and i have been struggling to find imformation on this problem...
Feb19-04 04:34 AM
beardless2
3 2,199
We've all heard of the twin paradox, and the idea of an infinite but finite universe, on the "surface" of a...
Sep10-04 07:14 PM
pervect
1 1,140
Let us envision three frames of reference I, I and I in standard configuration with I moving with velocity V...
Jan8-09 02:56 AM
bernhard.rothenstein
0 940
This is specifically targeted towards those who claim to be experts in the area of Special Relativity. The...
Aug5-05 01:14 PM
neopolitan
13 1,949
p.s : I got it now thnx "Edited "
Jul21-09 11:29 AM
firavia
0 733
I thought of an interesting paradox on my way home today. Suppose you have one-dimensional, finite universe without...
Sep13-10 05:47 PM
JesseM
1 1,405
Short version: How accurate is this paper: http://www.wbabin.net/ajay/sharma17.pdf Long version: Hello! Physics is...
Dec21-10 02:48 PM
bcrowell
1 1,189
The intention here is to discuss paradoxes in Special relativity in mainstream physics, any idea?
Sep13-10 04:44 PM
Doc Al
11 1,600
A little problem with special relativity. The equation for general relativity E^2= M^2c^4 + P^2c^2 is usually...
Jun15-08 09:25 AM
Goccam
10 1,995
Here's a little special relativity puzzle that I found interesting. Say we have two particles initially at rest in...
Jul7-07 01:09 PM
pervect
4 1,470
So imagine you are staring at a two seperate photons. Instantaneously, you jump into the frame of one of the photons....
Dec29-04 11:38 AM
jcsd
9 1,290
Here's the question from my text: "Alice and Bob are movin in opposite directions around a circular ring of radius R,...
Jun4-06 02:56 AM
JesseM
1 1,705
An intersting question was asked in my class today when learning about time dilation. We were shown the classic...
Apr17-12 06:28 AM
S1lent Echoes
2 691
I took a course in special relativity as an undergrad, but am now almost 6 years removed from it and have not retained...
May7-08 03:56 PM
jtbell
6 1,492
Ok here's the short story. A friend of mine is in grad school for physics. I have a BS in physics, however i graduated...
May8-10 02:21 AM
Fredrik
4 873
1) When Einstein said, Just when the flashes 1 of lightning occur, this point M' naturally coincides with the point...
Nov4-09 01:37 PM
cfrogue
13 1,677
Here is an article I submitted to ArXiv some time ago: http://uk.arxiv.org/abs/0708.0929 (Relativity without tears)....
Jan9-08 07:16 AM
silagadze
0 557
I posted this topic in a physics forum on another web site, but I thought this forum might be a better place to get...
Sep4-08 11:46 PM
Tac-Tics
11 1,246
Hello! I have no formal relativistic education, however, I am plenty of an enthusiast. Finding relativity...
Feb21-12 02:54 AM
markosr
2 842
Just a quick question on spacetime intervals in spacetime. Why is the spacetime interval between two events given by...
Jan25-12 08:26 PM
bobc2
3 1,578
If you are traveling away from earth on a space ship near the speed of light, it is well known that the moving clocks...
Jun25-09 03:00 PM
Doc Al
2 999
Here's a few kickers for those of you who don't know a lot about the mathematics of relativity: The locus of all...
Dec16-03 07:06 PM
chroot
1 1,133
In high school we learn Coulomb's law for electrostatics, and later in University find that the correct version of...
Jun19-08 11:58 AM
DrGreg
25 4,339
Inflation says that space between objects is expanding. Matter is held together by forces carried by bosons traveling...
Nov10-11 08:43 AM
PeterDonis
7 1,200
Quick disclosure, I'm only a few weeks into modern physics, and still trying to get a firm grip on the mechanics...
Sep29-13 09:52 AM
ChemicalCarl
11 997
Now i heard it is possible for an electron in the tube of a television tube to travel across the tube at a speed...
Aug14-12 05:03 PM
Darwin123
4 899
In deference to ElectroPhysics request to end posting to the Twin Paradox thread, those who wish to make further...
Jan11-05 03:50 AM
yogi
19 2,321
What is the difference between Special Relativity and General Relativity?
Jun14-05 02:05 PM
Zanket
25 46,955
Greetings all, Taken in the limit of a small distance where the Earth appears flat, does a stationary object...
Nov27-13 11:03 AM
Naty1
10 688
Re-reading "On the Electrodynamics of Moving Bodies" by A. Einstein from 1905 (English translation I found on the...
Feb15-08 06:23 PM
W.RonG
6 1,682
After mulling over special relativity for a while, I have come to some conclusions that seem correct, but I don't know...
Nov11-07 05:05 AM
FunkyDwarf
5 1,614
Hi, I have just recently begun delving into SR, and there are a few questions I would like clarified if possible,...
May19-13 07:40 AM
Popper
13 682
https://www.youtube.com/watch?v=Cxqjyl74iu4 If the speed at which light waves propagate in vacuum is independent...
Feb2-14 04:32 AM
ghwellsjr
40 1,435
I've searched around and I keep getting various answers, explanations, and examples for Time Dilation and The Lorentz...
Dec16-08 09:25 PM
iRish_waKe
4 1,157
i dont understand when to use substitution as used in the answer to this question: how fast must a pion be moving,...
Apr11-05 12:56 AM
answerseeker
4 4,394
Hi all, I'm new and have been following the conversations for a few days.By way of getting acquainted, I wonder which...
Nov18-05 11:47 PM
JM
3 5,260
Hi, I'm 13 and I really really love Physics, so I thought it would be a good idea to join this Forum. I research Maths...
Nov17-09 04:09 PM
A.T.
1 765
Please i am only in ks3 but i like physics. Please may someone explane the theory of special relitivity to me. Be...
Dec4-09 10:40 PM
koontz
9 1,482
When you move through space time slows down, this is part of special reletivity right. Hence when Light is moving at...
Aug21-04 11:48 PM
mlip
10 1,631
I was trying to write some "popular science" story on special relativity and explain it to kids a couple of days ago,...
Aug18-10 09:36 PM
jason12345
26 3,148

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