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Physics
Attila Janos Kovacs's user avatar
Attila Janos Kovacs's user avatar
Attila Janos Kovacs's user avatar
Attila Janos Kovacs
  • Member for 1 year, 11 months
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Physicist, Hungary.

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5
How do we determine whether a surface is an event horizon? Exactly what to calculate to do this?
Aug 16, 2022
4
Aren't places where geodesics end singularities?
Mar 5
3
How does the "York time" measure the expansion of space; why is it equal to the divergence of the comoving observer's four velocity for warp drive?
Jan 19
3
How to make a warp bubble moving?
Aug 16, 2022
2
When does the distribution change in interference/which way measurements compared to the time of the type change of the measurement?
Nov 6, 2022
2
Analogy for Lentz soliton
Aug 16, 2022
2
Analogy for Lentz soliton
Aug 16, 2022
1
Does negative energy density (i.e. weak energy condition violation) create closed timelike curves?
Nov 19, 2022
1
How does a world line of an Alcubierre drive look like?
Jan 21
1
Does causality forbid time travel?
Feb 26