Is time a mathematical entity or there is any demostration of its existence?
100178
Time, what is it?
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?
25827
Does time expand with space? (or contract)
153976
Do complex quantities and irrational numbers exist in nature?
3535
Is time continuous or discrete?
60084
In a very small static universe with only a particle, does it make sense to talk about time?
133294
Are gravitational time dilation and the time dilation in special relativity independent?
37443
How can something happen when time does not exist?
6530
What are the mechanics by which Time Dilation and Length Contraction occur?
24003
Is the universe fundamentally deterministic?
114335
Entanglement in time
104255
Can we know the fundamental nature of space and time?
39559
What is the symbol ''$\divideontimes$'' (DIVIDE TIMES) for?
93336
Understanding time crystals
153686
Is time a Scalar or a Vector?
5964
Are there areas of mathematics (current or future) that cannot be formalized in set theory?