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

Dec3107 02:06 AM
jtbell

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37,178 
Before posting anything, please review the Physics Forums Global Guidelines.
If you are seeking help with a...

Feb2313 08:40 AM
ZapperZ

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37,429 
Short version: How accurate is this paper: http://www.wbabin.net/ajay/sharma17.pdf
Long version:
Hello! Physics is...

Dec2110 02:48 PM
bcrowell

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1,185 
The intention here is to discuss paradoxes in Special relativity in mainstream physics, any idea?

Sep1310 04:44 PM
Doc Al

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1,597 
A little problem with special relativity.
The equation for general relativity E^2= M^2c^4 + P^2c^2 is usually...

Jun1508 09:25 AM
Goccam

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1,988 
Here's a little special relativity puzzle that I found interesting.
Say we have two particles initially at rest in...

Jul707 01:09 PM
pervect

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So imagine you are staring at a two seperate photons. Instantaneously, you jump into the frame of one of the photons....

Dec2904 11:38 AM
jcsd

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1,289 
Here's the question from my text:
"Alice and Bob are movin in opposite directions around a circular ring of radius R,...

Jun406 02:56 AM
JesseM

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An intersting question was asked in my class today when learning about time dilation. We were shown the classic...

Apr1712 06:28 AM
S1lent Echoes

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690 
I took a course in special relativity as an undergrad, but am now almost 6 years removed from it and have not retained...

May708 03:56 PM
jtbell

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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...

May810 02:21 AM
Fredrik

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873 
1) When Einstein said,
Just when the flashes 1 of lightning occur, this point M' naturally coincides with the point...

Nov409 01:37 PM
cfrogue

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1,673 
Here is an article I submitted to ArXiv some time ago:
http://uk.arxiv.org/abs/0708.0929 (Relativity without tears)....

Jan908 07:16 AM
silagadze

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556 
I posted this topic in a physics forum on another web site, but I thought this forum might be a better place to get...

Sep408 11:46 PM
TacTics

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Hello!
I have no formal relativistic education, however, I am plenty of an enthusiast. Finding relativity...

Feb2112 02:54 AM
markosr

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839 
Just a quick question on spacetime intervals in spacetime. Why is the spacetime interval between two events given by...

Jan2512 08:26 PM
bobc2

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1,573 
If you are traveling away from earth on a space ship near the speed of light, it is well known that the moving clocks...

Jun2509 03:00 PM
Doc Al

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997 
Here's a few kickers for those of you who don't know a lot about the mathematics of relativity:
The locus of all...

Dec1603 07:06 PM
chroot

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1,132 
In high school we learn Coulomb's law for electrostatics, and later in University find that the correct version of...

Jun1908 11:58 AM
DrGreg

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4,329 
Inflation says that space between objects is expanding. Matter is held together by forces carried by bosons traveling...

Nov1011 08:43 AM
PeterDonis

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1,198 
Quick disclosure, I'm only a few weeks into modern physics, and still trying to get a firm grip on the mechanics...

Sep2913 09:52 AM
ChemicalCarl

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993 
Now i heard it is possible for an electron in the tube of a television tube to travel across the tube at a speed...

Aug1412 05:03 PM
Darwin123

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897 
In deference to ElectroPhysics request to end posting to the Twin Paradox thread, those who wish to make further...

Jan1105 03:50 AM
yogi

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2,317 
What is the difference between Special Relativity and General Relativity?

Jun1405 02:05 PM
Zanket

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46,823 
Greetings all,
Taken in the limit of a small distance where the Earth appears flat, does a stationary object...

Nov2713 11:03 AM
Naty1

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Rereading "On the Electrodynamics of Moving Bodies" by A. Einstein from 1905 (English translation I found on the...

Feb1508 06:23 PM
W.RonG

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1,680 
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

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1,612 
Hi,
I have just recently begun delving into SR, and there are a few questions I would like clarified if possible,...

May1913 07:40 AM
Popper

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680 
https://www.youtube.com/watch?v=Cxqjyl74iu4
If the speed at which light waves propagate in vacuum is independent...

Feb214 04:32 AM
ghwellsjr

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1,427 
I've searched around and I keep getting various answers, explanations, and examples for Time Dilation and The Lorentz...

Dec1608 09:25 PM
iRish_waKe

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1,156 
i dont understand when to use substitution as used in the answer to this question:
how fast must a pion be moving,...

Apr1105 12:56 AM
answerseeker

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4,373 
Hi all, I'm new and have been following the conversations for a few days.By way of getting acquainted, I wonder which...

Nov1805 11:47 PM
JM

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5,239 
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...

Nov1709 04:09 PM
A.T.

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763 
Please i am only in ks3 but i like physics. Please may someone explane the theory of special relitivity to me. Be...

Dec409 10:40 PM
koontz

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1,480 
When you move through space time slows down, this is part of special reletivity right. Hence when Light is moving at...

Aug2104 11:48 PM
mlip

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1,627 
I was trying to write some "popular science" story on special relativity and explain it to kids a couple of days ago,...

Aug1810 09:36 PM
jason12345

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I am trying to understand this.Would I be correct in saying that the reason that the maximum speed possible is the...

Jun1311 01:48 PM
danR

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2,420 
I am just a little bit unsure about something I read on the "twin paradox".
It talks about Dick and Jane who are...

Jun508 02:32 PM
yuiop

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3,682 
Is this doable, a calculation to go from A to B on a helical path?
To simplify the problem we could consider A...

Sep1710 08:04 PM
Passionflower

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2,906 
Take the following setup:
A series of pulses of radio signal is relayed around the world, along the equator. There is...

May2910 09:42 AM
starthaus

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1,175 
I am still trying to understand a few things about special relativity.
Lets say I am traveling at the speed of...

Feb2311 07:40 PM
jtbell

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1,305 
In the books I've read about relativity the introduction is a definition of simultaneity which is given by the famous...

Dec310 12:17 AM
John232

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3,412 