Light travel with least time
15372
How does light know which path is fastest?
99555
Hours of light per day based on latitude/longitude formula
58503
Electrons moving faster than light and backward in time?
19163
Why does the amount of energy transferred depend on distance rather than time?
116033
Energy conservation limited by uncertainty principle
123854
Would time speed up near a large body of negative mass relative to observers in micro gravity?
106820
What longest time ever was achieved at holding light in a closed volume?
139062
Why does photon have to travel in sideways to hit the light clock?
32633
Single word for a very small amount of time
133259
Loss in energy by light after reflections
48930
Least-action classical electrodynamics without potentials
47242
Time dilation due to change in speed
7618
What is the speed of light relative to?
89837
Speed of light when accelerating
80291
Relativistic velocity addition from time dilation
141546
Time and distance in a photon's frame of reference
35663
Is there a formula that gives the position of an object depending on the time, but which doesn't allow the object to surpass the speed of light?