Recent questions in Speed of Light

+82 votes

0 answers

Is it possible to travel at speeds close/equal to the speed of light (C), without breaking any physical laws like Einstein's relativity theory?

asked Apr 19, 2023 in Speed of Light by NebulaCharm

+18 votes

0 answers

If I was traveling in a vehicle, at the speed of light, and I turned the headlights on, would they do anything?

asked Apr 19, 2023 in Speed of Light by stressrissoles

+22 votes

0 answers

Why do we say the speed of light 'in a vacuum' when the speed of light is constant? Is 'in a vacuum' irrelevant in this statement?

asked Apr 19, 2023 in Speed of Light by Robbochobbo

+88 votes

0 answers

Does an object contract in length parallel to the direction of motion? Does this mean an object of length D, moving to Earth at close to light speed really contracts in length by a factor gamma?

asked Apr 19, 2023 in Speed of Light by Sebas

+192 votes

0 answers

The Minkowski space is symmetric. What could be the implications of a future light cone larger than the past light cone? What would that entail?

asked Apr 19, 2023 in Speed of Light by Peter hut

+220 votes

0 answers

What is the temperature of a particle traveling near the speed of light?

asked Apr 19, 2023 in Speed of Light by EnchantedEcho

+15 votes

0 answers

What would happen if you went faster than the speed of light in a vacuum using something like a spaceship with unlimited power?

asked Apr 19, 2023 in Speed of Light by SolarisNova

+955 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 Apr 19, 2023 in Speed of Light by Mozlotov

+242 votes

0 answers

As something (eg photon) travels closer to light speed, it experiences time dilation. From the photons perspective, it travels instantaneously. Does this not mean that the photon feels as though it is traveling faster than speed of light?

asked Apr 19, 2023 in Speed of Light by EmberCharm

+311 votes

0 answers

If ETs travel hundreds of light years to Earth, why would they want to hide amongst us?

asked Apr 19, 2023 in Speed of Light by Mike83 (2.2k points)

+94 votes

0 answers

Is it possible to reach one light year away in our lifetime? If so, how would we get there and what would it take?

asked Apr 18, 2023 in Speed of Light by boilinganguished

+236 votes

0 answers

Does the speed of light change according to the observer as per special theory of relativity?

asked Apr 18, 2023 in Speed of Light by QuantumPulse

+143 votes

0 answers

How long does it take to travel 4.2 light years?

asked Apr 18, 2023 in Speed of Light by Summer1976

+323 votes

0 answers

What would happen to your reflection if a mirror was moving away from you at half the speed of light?

asked Apr 18, 2023 in Speed of Light by dp

+17 votes

0 answers

What would you see if you could travel faster than light?

asked Apr 18, 2023 in Speed of Light by LuminousPulse

+18 votes

0 answers

How fast can sound travel on Earth? Do objects ever reach this speed?

asked Apr 18, 2023 in Speed of Light by ThermalEvent

+5 votes

0 answers

Do entangled particles transmit information faster than the speed of light (FTL)?

asked Apr 18, 2023 in Speed of Light by iphoneclinical

+25 votes

0 answers

Is the total energy of an object equal to half of its rest mass times c squared, where c is the speed of light in vacuum?

asked Apr 18, 2023 in Speed of Light by APe

+16 votes

0 answers

How close to the speed of light do have to get for you to start experiencing time dilation?

asked Apr 18, 2023 in Speed of Light by Spiderhoof

+167 votes

0 answers

What is the only medium that light would travel through even faster than air?

asked Apr 18, 2023 in Speed of Light by NebulaFlare

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