Time Travel
**Time travel** is the concept of moving between different points in time in a manner analogous to moving through space. It is a common subject in science fiction, philosophy, and theoretical physics. While certain solutions to the equations of general relativity allow for time travel under specific conditions (such as wormholes or cosmic strings), there is currently no experimental evidence that time travel is possible. Time travel raises numerous paradoxes, such as the famous "grandfather paradox." For more information, see the Wikipedia article on Time travel.
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ENGLISH COLLECTIONSEPTEMBER 18, 2025 AT 12:07:00 UTC