Minkowski metric -- why does it follow from the constancy of the speed of light?
41905
Special Relativity Second Postulate
44164
Light Travels in straight line even in gravity
33110
The origin of the value of speed of light in vacuum
82624
"Newtonian limit" property of special relativity
120679
Rømer's determination of the speed of light
139987
Special Relativity, 2nd Postulate -- Why?
2754
Why and how is the speed of light in vacuum constant, i.e., independent of reference frame?
114454
Acceleration in special relativity
76819
How does "warp drive" not violate Special Relativity causality constraints?
56005
Speed of light travel
12267
(Almost) double light speed
155345
Can we use curved spacetime to measure the one-way speed of light?
56911
Proving invariance of $ds^2$ from the invariance of the speed of light
153552
Relativistic mass as seen by different observers
123933
Why is causality preserved in special relativity?
115239
Is the Speed of Light an universal spacetime constant, the velocity of electromagnetic waves, or of photons?
45763
Minkowski diagram and length contraction