Does the notion of "rate of a clock" have an absolute meaning in relativity theory?
13757
Is there a device that could measure the speed of time?
152334
What if a light clock travels perpendicular to mirrors that make up the clock?
127383
Speed of light in general relativity
17998
Is it possible to prove or disprove the Einstein Synchronization Convention with astronomy?
75788
Is spacetime absolute?
46050
How to describe arbitrary accelerations in special relativity
53952
What does $\frac{1}{\sqrt{1 - \frac{v^2}{c^2}}}$ mean with respect to special relativity?
49682
What axiomatizations exist for special relativity?
52519
The real meaning of time dilation
153686
Is time a Scalar or a Vector?
100453
Is there any way to justify or derive the form of the Lorentz force from relativity theory?
95561
Gravitational waves and time
34400
Special Relativity - Regarding the Simultaneity of Events During the Train Paradox
123933
Why is causality preserved in special relativity?
36619
Effect of space time relativity on the age of the universe?
7863
What is time, does it flow, and if so what defines its direction?
132106
Why does the speed of light $c$ have the value it does?