If things never travel in straight paths, was the measurement of speed of light 'accurate'?
100599
What is the trajectory of a photon moving through a vacuum?
148196
Does the speed of light in different mediums affect the lorentz transformation?
12597
Does the speed of medium affect the path of light?
120679
Rømer's determination of the speed of light
94646
If a car is travelling faster than the speed of light, do the headlights still work?
65533
Does gravity slow the speed that light travels?
60025
How far can something travel in a straight line?
32598
Are wormholes really a valid shortcut to distant points in the universe?
57608
Approaching speed of light: why do objects appear further away in front of me?
19850
Why is the speed of light defined as 299792458 m/s?
90476
Why can light (photons) bends in a curve through space without mass?
50289
The vacuum light speed: Is it really constant, i.e., independent of location in space-time?
152334
What if a light clock travels perpendicular to mirrors that make up the clock?
127383
Speed of light in general relativity
8367
What do physicists mean when they say "speed of light"?
35883
Why do objects follow geodesics in spacetime?
420
Does the pilot of a rocket ship experience an asymptotic approach to the speed of light?