Recent questions in Speed of Light

+25 votes

0 answers

What are the consequences of travelling faster than light speed or going back in time more than one second on Earth?

asked Mar 10, 2023 in Speed of Light by Paul Hallissey

+16 votes

0 answers

If you needed to reach light speed in a spaceship, how long would it take to accelerate without killing the human inside because of the g-force?

asked Mar 10, 2023 in Speed of Light by mike jay

+1 vote

0 answers

What will happen when we use telescopes to view distant galaxies that are billions of light years away?

asked Feb 20, 2023 in Speed of Light by Pedal Powered Plumbi

+10 votes

0 answers

What would happen to us if we jumped into hyperspace at near light speeds and then returned to normal spacetime?

asked Feb 20, 2023 in Speed of Light by Paul Hallissey

+10 votes

0 answers

Why must a "spinning" electron move faster than the speed of light? Why can't it speed at 99.9999% the speed Of light?

asked Feb 20, 2023 in Speed of Light by KEEPGREEN

+110 votes

0 answers

What's so special about Special relativity? E=mc^2 is nothing but Kinetic Energy (K=mv^2/2) applied to subatomic particles moving at (or very close to) the speed of light.

asked Feb 20, 2023 in Speed of Light by MR K

+266 votes

0 answers

What is the path difference when a light travels from a denser to a rarer medium?

asked Feb 20, 2023 in Speed of Light by Charlie85

+3 votes

0 answers

Does gravity affect the speed of light?

asked Feb 20, 2023 in Speed of Light by Kopkop67

+17 votes

0 answers

Light travels 300000km/sec. Is it velocity or speed?

asked Feb 20, 2023 in Speed of Light by QuantumTwilight

+17 votes

0 answers

Does all light travel light speed? If not, why?

asked Feb 20, 2023 in Speed of Light by avstu

+22 votes

0 answers

If you leave earth at the age of 15 in spaceship at the speed of light and spend 5 years in space when you get back on earth you will be 20 years old and your friends who were 15 when you left would be 65 .How is it possible?

asked Feb 20, 2023 in Speed of Light by LuminousPulse

0 votes

0 answers

Does the speed of light change when it passes through different media such as vacuum and glass?

asked Feb 20, 2023 in Speed of Light by UKS1960

+6 votes

0 answers

How did scientists find out that nothing could ever move faster than the speed of light? Why hasn't anything been able to do so yet (or will it)?

asked Feb 20, 2023 in Speed of Light by Timmyboys

+21 votes

0 answers

If light goes at the speed of light, why doesn't light itself time travel?

asked Feb 20, 2023 in Speed of Light by Deleted member 33931

+122 votes

0 answers

How long does a spaceship take to orbit the sun if it’s going at the speed of light and is 108.01 million km away from the sun?

asked Feb 20, 2023 in Speed of Light by Al1980

+17 votes

0 answers

Will a person be younger if they travel at close to the speed of light and then turn around?

asked Feb 19, 2023 in Speed of Light by mainman

+42 votes

0 answers

How fast does light travel, and is it possible for anything to travel at the speed of light?

asked Feb 19, 2023 in Speed of Light by QuantumNomad

+271 votes

0 answers

If we have entangled particles, what happens to them if they're separated by more than the speed of light (no communication)?

asked Feb 19, 2023 in Speed of Light by CelestialDreamer

+3 votes

0 answers

What would happen if something tried to escape from the gravitational pull of a spinning supermassive black hole? Would it be crushed before reaching light speed?

asked Feb 19, 2023 in Speed of Light by CelestialEcho

+22 votes

0 answers

What happens when you multiply the speed of light by itself in Einstein's equation E=mc²?

asked Feb 19, 2023 in Speed of Light by LunarTwilight

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