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LiveScience
LiveScience
Andrey Feldman

Physicist claims to have solved the infamous 'grandfather paradox,' making time travel (theoretically) possible

A man stands in front of a spinning vortex of light.

Time travel has long been dismissed as impossible due in part to the infamous "grandfather paradox." This conundrum asks what would happen if someone traveled back in time and prevented their grandfather from having children, thus erasing the traveler's existence. However, a new study may have resolved this issue.

By combining general relativity, quantum mechanics, and thermodynamics, the study demonstrates that time travel might be feasible without leading to these logical contradictions.

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