Comment on Maybe a young Margaret Atwood witnessed the unveiling of her time capsule book in 2114 and then travelled by in time to complete the paradox loop by arranging the time capsule book in the first place.

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Adderbox76@lemmy.ca ⁨1⁩ ⁨week⁩ ago

Because of wave function collapse.

Think of it this way:

We live in a universe where we did NOT travel back in time to kill Hitler.

If we then jump backwards in time to kill Hitler, we create a tangent universe in which we DID travel back in time to kill Hitler.

Its not the act of killing Hitler that creates the tangent universe, its the act of going back in time itself. We are moving from a universe in which we DIDN’T go back in time to one in which we DID.

If we then travel back to before our initial jump backwards, yes, we are travelling back along the original universe, but we are automatically creating a tangent universe starting from THAT point.

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