Parallel Universe Moving Backwards in time
126980
What happens at the interface between two universes with opposite thermodynamic arrows of time?
76819
How does "warp drive" not violate Special Relativity causality constraints?
84770
Twin Paradox Without Acceleration
73729
Calculating the age of the Universe now and 30 billion years from now
63925
Gravitational time dilation, does time of the observer at a lower gravitational potential looked slowed down in the frame of the higher one
9016
How can time dilation be symmetric?
17450
Doesn't the end of Looper create a time paradox?
58462
Impossibility of time travel due to energy conservation?
24669
Time dilation at the Big Bang
31674
Would Gravitational Time Dilation still apply between two gravitational sources?
143235
Twin Paradox, calculating spacetime intervals from both perspectives
94782
General relativity (gravitation) in time and one spatial dimension
41905
Special Relativity Second Postulate
29485
Recent movie involving dimensions and time travel/displacement
100690
Does superluminal travel imply travelling back in time?
72416
The universe appears to have a lower bound in the time dimension, why not an upper bound?
35037
Short story where time is accelerated and characters have to get back to ship?