Recent questions in Special Relativity

+23 votes

0 answers

How do photons accelerate? For example, since photons travel about 40% slower in a diamond, do they accelerate back to their original speed or do they keep their new speed after exiting the diamond?

asked Jun 20, 2022 in Special Relativity by fiveduck

+6 votes

0 answers

What happens when you try to catch up with a beam of light (the speed of light)? Why can't we go faster than the speed of light?

asked Jun 20, 2022 in Special Relativity by cliffy brown

+48 votes

0 answers

How can something be said to exist without having a reference frame?

asked Jun 20, 2022 in Special Relativity by RadiantHorizon

+52 votes

0 answers

At the highest speed a man-made object can travel, how long does it take to travel one light-year?

asked Jun 19, 2022 in Special Relativity by Rhys Hatherall

+3 votes

0 answers

If you had a spaceship with unlimited fuel, would be able to continuously accelerate with any amount of thrust to near light speed, or is there some limitation or resistance preventing that?

asked Jun 19, 2022 in Special Relativity by AstralOracle

+6 votes

0 answers

Can you explain the difference between a moving and non-moving clock in special relativity?

asked Jun 19, 2022 in Special Relativity by Powerelec

+12 votes

0 answers

Since achieving speed of light is theoretically not possible, what if two objects move in opposite directions both in half the speed of light?

asked Jun 18, 2022 in Special Relativity by cidfenmaria

+68 votes

0 answers

Two rockets are a light year apart and traveling exactly towards each other at the speed of light. Since sight travels at the speeds of light, how fast do they 'see' each other?

asked Jun 18, 2022 in Special Relativity by GreenChocobo

+1 vote

0 answers

How do you calculate distance traveled by objects moving close to but less than the speed of light?

asked Jun 18, 2022 in Special Relativity by jeznotts

+26 votes

0 answers

If you were traveling at the speed of light how long would it take you to travel one light year?

asked Jun 18, 2022 in Special Relativity by Andrew Hynes

+27 votes

0 answers

Is it possible for someone to live long enough to travel between stars at sub-light speeds?

asked Jun 17, 2022 in Special Relativity by Busterhymen

+2 votes

0 answers

Do gravitational waves reach Earth sooner than the gamma ray bursts? If both travel at the speed of light why is there a discrepancy?

asked Jun 16, 2022 in Special Relativity by RadiantNova

+226 votes

0 answers

In conjunction with/as what are E=MC2, TIME, AND time dilation (ON BALANCE), how is SPACE fundamentally BALANCED or understood?

asked Jun 15, 2022 in Special Relativity by MPT

+108 votes

0 answers

If one were able to build a spacecraft that travels at just over light speed, where could they go in their lifetime?

asked Jun 15, 2022 in Special Relativity by hatchthumbsdown

+4 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 Jun 15, 2022 in Special Relativity by jo411

+5 votes

0 answers

If I move at the speed of light and throw a stone ahead of me, wouldn't that stone go faster than the speed of light? ?‍♀️??

asked Jun 15, 2022 in Special Relativity by StellarMystic

+168 votes

0 answers

Why is velocity called a vector quantity? What is the difference between velocity and speed?

asked Jun 14, 2022 in Special Relativity by tonynoarm

+287 votes

0 answers

Is traveling at near-light speed possible with current technology? If not, what would need to change about physics before such travel was possible?

asked Jun 14, 2022 in Special Relativity by Ourliam

+7 votes

0 answers

How do we know if an object can travel at or near the speed of light? How will we be able to prove it’s travelling close to the speed of light without breaking it first?

asked Jun 13, 2022 in Special Relativity by VeeFource

+20 votes

0 answers

How come something cannot be accelerated past the speed of light but still has mass if everything stops at the speed of light in a vacuum?

asked Jun 13, 2022 in Special Relativity by Mr D

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Recent questions in Special Relativity

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