Recent questions in Speed of Light

+1 vote

0 answers

What would happen if we discovered a way to travel faster than light? Would we have violated any known physical laws? If so, which ones would need changing/revising/adding?

asked May 16, 2022 in Speed of Light by sparko69

+15 votes

0 answers

What will happen if you travel the speed of light in a back and forth motion all in a constant distance?

asked May 15, 2022 in Speed of Light by mappman

+83 votes

0 answers

How are we in front of the light that came from the big bang for it to still be reaching us now after 13 billion years? The universe must have expanded a considerable amount faster than light.

asked May 15, 2022 in Speed of Light by Recordlebel

+11 votes

0 answers

If you were able to survive falling into a black hole (singularity), would you see your own future as you approached it at light speed or would things appear normal until the last moment of impact?

asked May 14, 2022 in Speed of Light by prince

+6 votes

0 answers

How do you find the maximum speed of a pendulum?

asked May 14, 2022 in Speed of Light by big all

+27 votes

0 answers

If the Flash can run faster than the speed of light, and his brain is able to keep up, does that mean a regular conversation with someone is an incredibly long time for him?

asked May 14, 2022 in Speed of Light by keendiy

+293 votes

0 answers

Who proved experimentally that the speed of light in a denser medium is less than in the rarer medium?

asked May 14, 2022 in Speed of Light by billfromarran (3.9k points)

+15 votes

0 answers

What provides a measure for the speed of light in a given material?

asked May 14, 2022 in Speed of Light by Dream Home Tiling.

+25 votes

0 answers

What is quantum tunnelling? Can it be used to travel faster than light? If yes, then how fast can it be done?

asked May 14, 2022 in Speed of Light by CelestialFlare

+3 votes

0 answers

Is it possible to travel at near light speeds like in the movie Interstellar or the Star Trek series?

asked May 14, 2022 in Speed of Light by ferocioustibia

+77 votes

0 answers

What are the implications of faster-than-light travel? Why don't we use this technology now for interplanetary travel in our solar system instead of using rockets?

asked May 13, 2022 in Speed of Light by AdrianHHH (3.1k points)

+26 votes

0 answers

What is the speed of light? Are there any natural phenomena that limit our ability to travel faster than the speed of light?

asked May 13, 2022 in Speed of Light by KEEPGREEN

+23 votes

0 answers

Can you travel faster than light? If not, why can't we do it on earth using modern technology?

asked May 13, 2022 in Speed of Light by NebulaScribe

+6 votes

0 answers

How can astronomers see the universe as it was 13.3 billion years ago? The universe is 13.7 billion years old and spacetime has also been expanding at about twice the speed of light. Wouldn't that limit the light we see to 6.85 billion light years?

asked May 13, 2022 in Speed of Light by DIY_Has123

+13 votes

0 answers

What is the definition of dark energy? How does it make all matter expand faster than light?

asked May 13, 2022 in Speed of Light by MidnightMystic

+156 votes

0 answers

How can a speaker make sounds faster than the speed of light?

asked May 12, 2022 in Speed of Light by QuantumHorizon

+22 votes

0 answers

How is the speed of light equal to 3×10^8?

asked May 12, 2022 in Speed of Light by Rick1632

+14 votes

0 answers

How is traveling faster than light theoretically possible without breaking any laws of physics (hyperspace, wormholes, etc.)?

asked May 12, 2022 in Speed of Light by sub7even75 (3.3k points)

+103 votes

0 answers

Do you think humans will probably need to survive a timescale longer than the time since we bonked Neanderthals before they could potentially travel faster than the speed of light?

asked May 12, 2022 in Speed of Light by whitehoo

+10 votes

0 answers

When we see a supernova that is 8,000 light years away, how long ago did it occur for us to see it now in Earth years?

asked May 12, 2022 in Speed of Light by Dan Greenslade

Page:

« prev
1
...
28
29
30
31
32
33
34
...
40
next »

Recent questions in Speed of Light

...