Question

is time travel possible?​

Answer 1

Answer:

Time travel

Time travel to the past is theoretically possible in certain general relativity spacetime geometries that permit traveling faster than the speed of light, such as cosmic strings, transversable wormholes, and Alcubierre drives.

Answer 2

Answer:

According to Stephen Hawking, backward time travel is not necessarily physically impossible. Some years ago, Stephen Hawking stated that he had "experimental evidence that time travel is not possible".

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