All Questions
3
questions
0
votes
4
answers
184
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Spaceships with relativistic instruments
I wonder if it is possible, for future spaceships, to have somekind of instruments on board, that will tell the pilot what his true speed through spacetime is and how much time dilation he is ...
- 107
1
vote
3
answers
212
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Relativity and time
Einstein's relativity states that times goes slowly in a moving clock.That means if my friend moves at a speed of $v$ his time will go slowly. But I am also moving at a speed of $-v$ relative to him. ...
- 1,400
-2
votes
1
answer
109
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What do things move relative to?
When someone says that a spacecraft in otherwise empty space is traveling at a constant velocity of 10 km/h (for the sake of convenience) then what is the reference point for which this measurement ...
- 147