Is time unbounded in the future direction?
72416
The universe appears to have a lower bound in the time dimension, why not an upper bound?
13770
Do "in future" and "in the future" imply different meanings?
61308
Usage of 'future perfect' versus 'future simple'
35663
Is there a formula that gives the position of an object depending on the time, but which doesn't allow the object to surpass the speed of light?
60084
In a very small static universe with only a particle, does it make sense to talk about time?
39684
What would a closed timelike curve look like?
7863
What is time, does it flow, and if so what defines its direction?
13757
Is there a device that could measure the speed of time?
36778
future or present with when
84062
The Time Freezing Room - Theoretically possible?
112408
What is the theoretical limit for farthest we can see back in time and distance?
123854
Would time speed up near a large body of negative mass relative to observers in micro gravity?
92343
Does cosmological time expand like space does?
72901
Can Special Relativity hold even without motion?
148993
Can the initial time be non-zero?
93336
Understanding time crystals
50651
Does special relativity imply that time dilation is affected by an orientation of clocks?