Recent questions in Special Relativity

+296 votes

0 answers

A photon in vacuum moves at C and has no reference frame. It now enters a medium and slows down. Does that mean that a reference frame now exists for it? And if so, would a hypothetical clock on its back start ticking?

asked Apr 12, 2023 in Special Relativity by Aron82 (3.8k points)

+89 votes

0 answers

What is meant by a non-inertial frame of reference?

asked Apr 12, 2023 in Special Relativity by lord twang

+2 votes

0 answers

As you approach the speed of light, can the Doppler effect or “blue shift” happen to an effect great enough that you perceive incoming light as ionizing radiation?

asked Apr 12, 2023 in Special Relativity by Yamzi

+217 votes

0 answers

Is there a reason the speed of light is what it is and not something else?

asked Apr 12, 2023 in Special Relativity by Kye mclean

+21 votes

0 answers

Does Einstein’s equation, energy equal mass approaching the speed of light in a vacuum prove that all energy runs to decline?

asked Apr 11, 2023 in Special Relativity by Matthew78

+20 votes

0 answers

Is the blink of the eye faster than the travel of light?

asked Apr 11, 2023 in Special Relativity by Allhours

+12 votes

0 answers

What are some examples of how we use our brains to help us travel faster than the speed of light?

asked Apr 11, 2023 in Special Relativity by ChicoTradesman (3.6k points)

+39 votes

0 answers

How is it possible that people have traveled so far in space and time if we can't exceed the speed of light?

asked Apr 11, 2023 in Special Relativity by EthericDreamer

+24 votes

0 answers

Does Time exist at the speed of light? If not, then would you age if you could Interstellar travel at the speed of light?

asked Apr 10, 2023 in Special Relativity by crackedwolf

+16 votes

0 answers

Can light ever travel faster than C, would it be visible?

asked Apr 10, 2023 in Special Relativity by MysticDreamer

+20 votes

0 answers

A pulse of light takes 2.63 to travel 0.500m in a certain material. What is the material index?

asked Mar 20, 2023 in Special Relativity by EmberOracle

+14 votes

0 answers

Why is infinite energy required for a massive particle to travel at light speed? Does the equation E=MC2 contain totally finite values?

asked Mar 20, 2023 in Special Relativity by Rich54

+23 votes

0 answers

How old would you be if you traveled at the speed of light and then returned to Earth?

asked Mar 20, 2023 in Special Relativity by SolarisSculptor (2.9k points)

+24 votes

0 answers

Could faster than light travel be achieved by theoretically producing enough energy at a single point in space-time, and by virtue of E=MC^2, bend space-time enough to bring two points, that where otherwise a huge distance apart, together?

asked Mar 20, 2023 in Special Relativity by Tony302

+18 votes

0 answers

Is it possible to make a ship that travels at FTL speeds (faster than light)? If not, why?

asked Mar 20, 2023 in Special Relativity by supertrowel

+9 votes

0 answers

Shouldn't length contraction cause friction under certain circumstances? (Please see comment because of the character limitation for questions.)

asked Mar 20, 2023 in Special Relativity by qwas123 (3.5k points)

+27 votes

0 answers

What is the speed of light? Is it possible for an object to reach that speed? If so, what will happen when it reaches that speed and why can't it go beyond that limit?

asked Mar 19, 2023 in Special Relativity by tony_m

+262 votes

0 answers

What would happen to me if I travel at the speed of light?

asked Mar 19, 2023 in Special Relativity by kkkkkk

+7 votes

0 answers

If the universe is 93 billion light years in diameter, how long would it take to travel end to end at light speed?

asked Mar 19, 2023 in Special Relativity by Jonny 5

+23 votes

0 answers

How come we don't feel the speed of light striking our eyes when it travels through space and reaches us on Earth?

asked Mar 19, 2023 in Special Relativity by twelvemovie

Page:

« prev
1
...
5
6
7
8
9
10
11
...
36
next »

Recent questions in Special Relativity

...