Recent questions in Special Relativity

+9 votes

0 answers

How do UFOs travel faster than light without accelerating at all (FTL)?

asked Jan 12, 2023 in Special Relativity by ???®?©?€

+105 votes

0 answers

How can we say that the speed of light in vacuum is constant, even though its wavelength changes with respect to the medium through which it moves?

asked Jan 12, 2023 in Special Relativity by kinnellfire

+9 votes

0 answers

Would a spacecraft that would be able to travel to other planets and stars faster than the speed of light still be ableto return to Earth within a single day?

asked Jan 12, 2023 in Special Relativity by Mac-Man

+22 votes

0 answers

Can we measure time with a ruler according to special relativity?

asked Jan 12, 2023 in Special Relativity by billfromarran (3.9k points)

+20 votes

0 answers

If information doesn’t travel faster than light and there is no hidden variable for quantum entanglement, what is the other option?

asked Jan 11, 2023 in Special Relativity by Bex111

+15 votes

0 answers

Can you explain the difference between "instantaneous" velocity and "average" velocity in math or physics problems?

asked Jan 11, 2023 in Special Relativity by G Brown

+265 votes

0 answers

As per Albert Einstein ''Time and speed are relative'' so a object moves with speed of light then time stops for that object. If time stops for that object does it mean decaying process of the object also stops?

asked Jan 11, 2023 in Special Relativity by Deland01

+24 votes

0 answers

An object is dropped from 320 m high. What is the time of motion and velocity when it hits the ground?

asked Jan 11, 2023 in Special Relativity by Ryan Huntington

+21 votes

0 answers

How can you observe time dilation? Do you need anything other than your body and a watch?

asked Jan 11, 2023 in Special Relativity by LuminousTwilight

+122 votes

0 answers

How did Einstein prove that the velocity of light is constant in all inertial frames?

asked Jan 11, 2023 in Special Relativity by MinorFrog

+198 votes

0 answers

How did Einstein discover that the speed of light is constant, regardless of the speed of the observer?

asked Jan 11, 2023 in Special Relativity by haystack

+25 votes

0 answers

Does Relativistic Time dilation reveal another fundamental logic flaw: It affects GPS satellites (by orbital distance and velocity) via atomic clocks, but NOT the planets: No Earth's orbital period dilation/decay was reported by Mars' probes?

asked Jan 11, 2023 in Special Relativity by Phil the paver1

+30 votes

0 answers

Why is it said that Einstein stole the theory of relativity from his wife?

asked Jan 10, 2023 in Special Relativity by ram

+118 votes

0 answers

Why do we put in a relative value (dependent on our frame of reference) for c in the equation e=mc^2 instead of the absolute value [0] where time stops?

asked Jan 10, 2023 in Special Relativity by CelestialEcho

+12 votes

0 answers

Would an object that moves faster than light travel backwards in time or would they be stuck in their own present forever?

asked Jan 10, 2023 in Special Relativity by Starslikedust (2.0k points)

+127 votes

0 answers

How far can light travel under water?

asked Jan 10, 2023 in Special Relativity by jacobs6

+95 votes

0 answers

Because of the time dilation due to different gravities, would humans of Mars have shorter life spans than humans on Earth?

asked Jan 10, 2023 in Special Relativity by nakedterry

+11 votes

0 answers

What if the constancy of the speed of light (in the special theory), and the principles of general covariance and the equivalence of inertial and gravitational mass (in the general theory) are never a priori according to Witten?

asked Nov 19, 2022 in Special Relativity by NovaPulse

+12 votes

0 answers

Do you think it's a possibility that the reason aliens haven't contacted us is because it's impossible to reach the speed of light and the universe is just too damn big?

asked Nov 19, 2022 in Special Relativity by StellarSculptor

+7 votes

0 answers

What does energy equal mass multiplied by the speed of light squared have to do with the twin paradox and the relativity of motion?

asked Nov 19, 2022 in Special Relativity by EmberHorizon

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