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Can we travel back in time without affecting the future?

Quantum superposition holds that a physical system exists partly in all particular, theoretically possible states, which makes me think that we can theoretically go back in time and it would have no impact on the future because it is already a possible state as long as it is not during our own lifetime. I am curious because I am writing a book that deals with this subject.

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William J. Prest (syzygyastro) says

3 years ago
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Amy (brutishspoon) says

2 years ago
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Jonas James says

3 years ago
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    mrpotavin 3 years ago

    Good thing my book will be science fiction then...

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kashmir-ladakh says

3 years ago
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