Recent questions in Special Relativity

+1.0k votes

0 answers

What is the age of universe?

asked May 20, 2023 in Special Relativity by EmberSculptor

+24 votes

0 answers

How is time dilation consistent?

asked May 20, 2023 in Special Relativity by EmberPulse

+8 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 May 20, 2023 in Special Relativity by MysticPulse

+123 votes

0 answers

If Lorentz Factors are defined by the squares of velocity, can it be asserted that the Inertial reference framework is independent of direction of travel, but only relates to the magnitude, and therefore is Speed rather than a Classical Velocity?

asked May 20, 2023 in Special Relativity by PandA3 (2.0k points)

+140 votes

0 answers

How can we see before we hear if the speed of sound is the same as the speed of light?

asked May 20, 2023 in Special Relativity by StellarVerse

+15 votes

0 answers

If mass increases the closer an object gets to the speed of light, what would be the new mass of a 1kilogram object at 99.9% of the speed of light?

asked May 20, 2023 in Special Relativity by SeraphicMystic

+10 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 May 20, 2023 in Special Relativity by coggy

+1.3k votes

0 answers

If you're only moving forward in the past at near light speed, why can't you change anything with a time machine?

asked May 20, 2023 in Special Relativity by Ourliam

+311 votes

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Why does an aeroplane travel faster than a train?

asked May 20, 2023 in Special Relativity by Amanda Qi

0 votes

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What is the difference between time travel and travelling faster than the speed of light (FTL)?

asked May 19, 2023 in Special Relativity by mully123

+274 votes

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Why was general relativity developed after special relativity?

asked May 19, 2023 in Special Relativity by Eddie Collman

+8 votes

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Is it possible to travel faster than the speed of light? If so, how? What are the consequences of exceeding this limit for our space-time structure?

asked May 19, 2023 in Special Relativity by Grahamdewalt

+26 votes

0 answers

What are some methods of faster than light travel in science fiction, besides variations of warp drive and wormholes? Do any have a real scientific possibility?

asked May 19, 2023 in Special Relativity by cheltonian

+143 votes

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How long will it take to travel 4 light years?

asked May 19, 2023 in Special Relativity by Luke World

+156 votes

0 answers

How can space-time be bent when traveling faster than the speed of light (FTL), and why does this not cause spacetime itself to fold into a black hole every time someone travels FTL?

asked May 19, 2023 in Special Relativity by SolarisNova

+23 votes

0 answers

What happens to an object's mass as it approaches the speed of light? Will its mass increase or decrease (relative to normal)? Why?

asked May 19, 2023 in Special Relativity by Nilaus

+95 votes

0 answers

To calculate the energy of a photon multiply it’s mass by it’s velocity squared. E=mc^2 so the same for a 1 kilo object at 1 m/s, e=1 kg*(m/s) ^2, so what is the energy of a photon at the speed of light? E=mass*velocity squared. Is that all E is?

asked May 18, 2023 in Special Relativity by Sara Richardson

+4 votes

0 answers

What are some scholary articles around time dilation/special relativity and Interstellar/space travel?

asked May 18, 2023 in Special Relativity by DHK (2.9k points)

+21 votes

0 answers

Can you explain the concept of time dilation, and why is it such a mind-blowing scientific discovery?

asked May 18, 2023 in Special Relativity by azas76

+16 votes

0 answers

Do moving objects experience the effects of special relativity (length contraction and time dilation) more than stationary objects do?

asked May 18, 2023 in Special Relativity by SeraphicAlchemy

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Recent questions in Special Relativity

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