Recent questions in Time physics

+8 votes

0 answers

Are all spacetimes that allow time travel (closed timelike curves) unstable against perturbations?

asked Apr 14, 2023 in Time physics by Luke3

+972 votes

0 answers

Would a clock on a spaceship be affected if it was travelling at an extremely high speed?

asked Apr 13, 2023 in Time physics by Angry Squirrel

+39 votes

0 answers

People from the year 2215 AD look back to our time, 2015. What about our time will seem dumbest, that we should have known better, to the people of that time?

asked Apr 13, 2023 in Time physics by stuart avo

+4 votes

0 answers

What did Nietzsche believe when he wrote "Time is a flat circle"?

asked Apr 13, 2023 in Time physics by Sue Baker

+24 votes

0 answers

Can time travelers change the future?

asked Apr 12, 2023 in Time physics by fethiyeman

+24 votes

0 answers

Were the 60's a better time that now?

asked Apr 12, 2023 in Time physics by StellarSeeker

+14 votes

0 answers

Can time travel be possible according to our current understanding of physics, and what are the implications of time travel for causality and determinism?

asked Apr 12, 2023 in Time physics by jody05 (3.0k points)

+11 votes

0 answers

What does it mean to say that space and time are linked together, as opposed to space and time being separate entities?

asked Apr 12, 2023 in Time physics by NovaDreamer

+57 votes

0 answers

What are some real-life examples of time travel? How would it be possible to travel through time?

asked Apr 12, 2023 in Time physics by blackhorseD7

+9 votes

0 answers

What are the differences between a time machine that uses wormholes and one that folds space and time?

asked Apr 11, 2023 in Time physics by makaveli

+2 votes

0 answers

What is the longest time that a person has been submerged in water without oxygen and survived?

asked Apr 11, 2023 in Time physics by smed

+16 votes

0 answers

Has anyone ever traveled through time and space? If so, how did they do it and why haven't we been able to do it?

asked Apr 11, 2023 in Time physics by jo411

+12 votes

0 answers

Does the past still physically exist but is simply inaccessible? Or does the past not exist at all in any way whatsoever?

asked Apr 11, 2023 in Time physics by Offshore

+295 votes

0 answers

If time does not exist as some people say, then how would we explain the years it takes for our bodies to become old?

asked Apr 11, 2023 in Time physics by JosephS

+6 votes

0 answers

What are the effects of time travelling on our present and future generations? Is there any evidence for time travel in real life so far?

asked Apr 10, 2023 in Time physics by simz the tiler

+8 votes

0 answers

What's a question I can ask a supposed time traveler from the future to truly prove that they are from the future?

asked Apr 10, 2023 in Time physics by gravyera

+10 votes

0 answers

Does time travel exist? If so, is there something like reverse-time travel where you can see what happened before you were born?

asked Apr 10, 2023 in Time physics by Craig k

+161 votes

0 answers

Are space and time part of the larger ingredient?

asked Apr 10, 2023 in Time physics by Spiderhoof

+45 votes

0 answers

If a button that could reverse time existed, how many times would you press it to change something in your life?

asked Apr 10, 2023 in Time physics by John Bedwell

+12 votes

0 answers

What are some ways that humans could travel to the past or future without using technology? For example, could magic be used to travel through time? What limitations would exist on such methods of time travel?

asked Apr 10, 2023 in Time physics by ChicoTradesman (3.6k points)

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Recent questions in Time physics

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