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Physics
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m4r35n357
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64 Answers

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18 votes

Relativity without constancy of light speed

14 votes

Suppose you are in a closed box which is in motion

13 votes

Kerr metric Christoffel symbols

10 votes

Open source computer algebra systems for general relativity

10 votes

If you travel on car with nearly the speed of light and turn on the car headlights: will it shine in gamma light instead of visible light?

6 votes
Accepted

Red- / Blueshifting and relativistic length contraction at $0.8c$ - How would it look?

5 votes

Why are Maxwell's equations correct and not Newton's laws of motion?

4 votes
Accepted

Speed of light in vacuum observed by a moving observer

4 votes

Gravity is not a force - how does "accelerating up" work for the entire earth?

3 votes

General Relativity visualization software

3 votes

Trajectory of a photon beyond the event horizon

2 votes

Is there a space-like equivalent of the Twin Paradox?

2 votes
Accepted

What does the accelerated twin see in the twin paradox?

2 votes

How accurately has general relativity's prediction of gravitational redshift been measured?

2 votes

Terrell-Penrose effect and surface reflectance

2 votes

The effect of Special Relavity's Time Dilation on Rocket propulsion

2 votes

Twin paradox reinterpretation

2 votes

Approaching speed of light: why do objects appear further away in front of me?

2 votes
Accepted

How to compute Kerr geodesics?

2 votes
Accepted

Different apparent brightness of a distant star from a moving frame - an apparent paradox

2 votes
Accepted

Is the speed of light constant even for an object which is accelerating?

2 votes

Is there a triplet paradox analogous to the twin paradox?

2 votes
Accepted

The metric exterior of a massive object

2 votes
Accepted

Straight line motion with uniform velocity in spacetime according to General Relativity

2 votes
Accepted

How to reconcile time dilation in relativity with what you actually see?

2 votes

On a relativistic merry go round, who ages faster — rider or observer?

2 votes
Accepted

Is it possible to see the back of an object traveling at relativistic speeds?

2 votes

Mass definition

1 vote

Can we represent 4D graphically?

1 vote

Mental model of general relativity

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