Recent questions in Speed of Light

+260 votes

0 answers

Why do the scientists of today still try to design an FTL drive when they know nothing can travel faster than light?

asked May 20, 2023 in Speed of Light by K89

+7 votes

0 answers

Is it possible to travel at near or above the speed of light without breaking any physical laws (i.e., no warp drives)?

asked May 20, 2023 in Speed of Light by igorrubets (3.2k points)

+6 votes

0 answers

If a person travels near the speed of light, will he experience temporal dilation and return younger after his journey?

asked May 20, 2023 in Speed of Light by cappi

+160 votes

0 answers

Why can't the cosmic background radiation be thought of as an indirect evidence of variable light speed?

asked May 20, 2023 in Speed of Light by rowlockinfield

+4 votes

0 answers

How is it possible to travel faster than light and still be within our universe (without breaking any laws of physics)?

asked May 20, 2023 in Speed of Light by Ells

+16 votes

0 answers

How do you convert 294 billion × 10^18.9 inches to light years?

asked May 20, 2023 in Speed of Light by takethemoneyandrun

+6 votes

0 answers

What are the units for light?

asked May 20, 2023 in Speed of Light by Bigstinka

+2 votes

0 answers

How fast do you need to go to stop time?

asked May 20, 2023 in Speed of Light by kesh

+27 votes

0 answers

If someone travels at the speed of light for one year, but returns to his original point before he left, how much time would have passed for him?

asked May 19, 2023 in Speed of Light by Blanca Reyes

+12 votes

0 answers

Is it possible to create a faster-than-light (FTL) drive that will not require massive amounts of energy?

asked May 19, 2023 in Speed of Light by Edward Lynch

+12 votes

0 answers

What is the nearest star to Earth's solar system, and how far away would it be if we could travel at the speed of light?

asked May 19, 2023 in Speed of Light by trunkinitiative

+300 votes

0 answers

Why would traveling faster than light make me go "back in time"?

asked May 19, 2023 in Speed of Light by Saruyama

+12 votes

0 answers

What would happen if a spaceship could go close to but not beyond the speed of light? Would it be able to keep accelerating forever until it gets into another universe?

asked May 19, 2023 in Speed of Light by CelestialTwilight (2.8k points)

+20 votes

0 answers

Can an object reach the speed of light while inside a black hole?

asked May 19, 2023 in Speed of Light by enc

+181 votes

0 answers

Sayana, an Indian scholar quotes a value in a hymn that is incredibly close to the speed of light calculated by modern methods. Did Sayana know the speed of light? Do you believe the knowledge and methods existed as early as 13th century or before?

asked May 19, 2023 in Speed of Light by CrystalDreamer

+6 votes

0 answers

Given that nothing can move faster than light speed, is it possible to see anything from beyond our current visible universe?

asked May 19, 2023 in Speed of Light by Ruski

+17 votes

0 answers

What is the science fiction universe with the fastest FTL drives (faster than light)? Why do you like it so much?

asked May 18, 2023 in Speed of Light by Abe_SD

+972 votes

0 answers

Can a vehicle run at the speed of light?

asked May 18, 2023 in Speed of Light by Tim-mersey

+9 votes

0 answers

If there is a ship traveling at the speed of light, would it appear to be stationary to an observer on Earth? Would they see anything leaving or arriving aboard the ship?

asked May 18, 2023 in Speed of Light by Scott Haines

+148 votes

0 answers

When we look at an object, do we see the object or the reflection of light from the surface of the object?

asked May 18, 2023 in Speed of Light by Mark101010

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Recent questions in Speed of Light

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