Recent questions in Speed of Light

+24 votes

0 answers

Do light rays travel outwards naturally? If so, how? For example. The light waves of lasers are straight lines while the one being emitted from like a candle or bulb travels outwards.

asked Feb 12, 2022 in Speed of Light by celebrateambition

+3 votes

0 answers

Is it correct that the latitude and altitude of Egyptian pyramids of Giza are the same number as the speed of light?

asked Feb 11, 2022 in Speed of Light by Tangoman

+6 votes

0 answers

If the speed of light changes depending on how far away you are from its source, does that mean that time changes as well?

asked Feb 11, 2022 in Speed of Light by tackleburger

+1.4k votes

0 answers

Does water evaporate faster in the sun light?

asked Feb 11, 2022 in Speed of Light by TonicUK

+4 votes

0 answers

If you traveled at the speed of light for a long distance, would you be able to go back in time?

asked Jan 20, 2022 in Speed of Light by Luke World

+664 votes

0 answers

What if we cracked the faster-than-light problem? What would our limitations then be on interstellar travel? What would stop us from setting off right away?

asked Jan 20, 2022 in Speed of Light by Diydreamer

+23 votes

0 answers

Is it rigorous to invoke the impossibility of traveling at a speed greater than that of light using mathematical notions such as infinity, which are not defined in physics?

asked Jan 20, 2022 in Speed of Light by SeraphicPulse

+170 votes

0 answers

If I’m travelling at the speed of light and I shine a torch ahead, does the torch light not proceed?

asked Jan 19, 2022 in Speed of Light by Derek McWilliams

+2 votes

0 answers

What does computer speed depend on?

asked Jan 19, 2022 in Speed of Light by Chris Curwen

+17 votes

0 answers

How does the speed of light compare to the speed of sound or other electromagnetic waves?

asked Jan 18, 2022 in Speed of Light by bathroom boy

+23 votes

0 answers

According to RoS (relativity of simultaneity), a spaceship travelling at close to light speed from a distance of 1 light year is 1 year in the past of our time! Yet the spaceship says we are 1 year in the future! How is this physically possible?

asked Jan 18, 2022 in Speed of Light by QuantumTwilight

+16 votes

0 answers

What would happen if we were able to travel faster than the speed of light? Would turning left or right be instantaneous, or would there be a delay?

asked Jan 18, 2022 in Speed of Light by contractcanon

+27 votes

0 answers

How far can we see with current technology, and how long will it take to reach that point if we keep traveling at the speed of light?

asked Jan 18, 2022 in Speed of Light by Mosaix

+23 votes

0 answers

How can light push things but later have the same speed? Where was the energy lost?

asked Jan 18, 2022 in Speed of Light by RadiantVortex

+20 votes

0 answers

Why does it take 20,000 years for light to reach the surface of the Sun from its core, but just 8 minutes to reach the surface of the Earth?

asked Jan 18, 2022 in Speed of Light by Amrit

+24 votes

0 answers

How do entangled particles "communicate" faster than the speed of light? Could this phenomenon be used in some kind of Interstellar telephone?

asked Jan 17, 2022 in Speed of Light by peajay

+12 votes

0 answers

Can you measure the one-way light speed of a moving object by using unsynchronized clocks? The clocks are assumed ideal but not synchronized.

asked Jan 17, 2022 in Speed of Light by Tiny01

+22 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 17, 2022 in Speed of Light by Chris Dilworth (2.5k points)

0 votes

0 answers

If you pull a stick that is 2 light years long, would the other end move at the exact time you pulled it?

asked Jan 17, 2022 in Speed of Light by QuantumHorizon

+187 votes

0 answers

What happens when you travel faster than the speed of light? How do you even measure that? What is it called and how does it work?

asked Jan 17, 2022 in Speed of Light by Peter Lewis

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Recent questions in Speed of Light

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