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- A Student Just Proved Paradox-Free Time Travel Is Possible https://www.popularmechanics.com/science/math/amp34146674/paradox-free-time-travel-is-possible/ 4 comments
- A Student Just Proved Paradox-Free Time Travel Is Possible https://www.popularmechanics.com/science/math/a34146674/paradox-free-time-travel-is-possible/ 3 comments