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Physicist May Have Solved The Grandfather of All Time-Travel Paradoxes
(www.sciencealert.com)
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this post was submitted on 19 Jan 2025
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I thought there was an understanding of infinite timelines already. You can never change your past. As soon as you do, it is no longer "your" past. It is now another you's past. That's why time travel is useless unless it's not you changing your past.
Depends on whether you subscribe to the many worlds interpretation or not.
If not then you can still time travel as long as it follows the Novikov self-consistency principle