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AGML
  • Member for 6 years, 9 months
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78 votes

What do spacelike, timelike and lightlike spacetime interval really mean?

38 votes

Turbulent spacetime from Einstein equation?

25 votes

Does too little ice make my martinis watery?

23 votes

Are black holes perfect spheroids?

19 votes

What are some ways to justify the Einstein field equations?

8 votes

Why does slow compression of a gas doesn't change its entropy to increase?

8 votes

Gravity between two unequal masses. Do both masses move?

6 votes

Can you provide any examples of non-conservation of energy in any GR or other scenario?

5 votes
Accepted

Is gravity time-like?

5 votes
Accepted

Is there a gravitational radiation reaction force?

5 votes
Accepted

Life of a photon in gravity?

5 votes
Accepted

Why is the acceleration due to gravity $g$ quoted as if it were constant?

4 votes

Can we prove absolutely that FTL = causality violation

4 votes
Accepted

Kerr spacetime and Carter time machine

4 votes

Do we feel a gravitational pull towards where a mass will be in the future?

4 votes

Does a "Photon Box" have gravitational mass?

3 votes

What does it mean to SQUARE the speed of light?

3 votes

How would a passing gravitational wave look or feel?

3 votes

Are gravastars observationally distinguishable from black holes?

3 votes

What is meant by "quenched" and "annealed" averages and how they differ from each other?

3 votes

Do black holes have a characteristic size?

3 votes

Is time absolute?

3 votes

Vacuum solutions to the EFEs

3 votes

Faster than light signals and the price to be paid if we accept them: a very simple protocol

3 votes

Infalling light signals seen by a free falling observer

3 votes
Accepted

Rotating disc problem

3 votes
Accepted

Gravity amplifier

3 votes
Accepted

What experimental evidence shows that sound velocity is the same for all wavelengths?

2 votes

Can the event horizon save conservation laws for black holes?

2 votes

Gravitational waves and time