duckncover
The theories of special and general relativity suggest that time travel may be possible if certain conditions are met.
Time travel
Theory of time travel
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replied to: duckncover
hanso
Replied to: The theories of special and general relativity suggest that time travel...
Physicts believe that if a traveler were able to move away from Earth at the speed of light, that he would return to find that time had passed differenly in his absence.