The Multiverse
- Time travel could be possible, but only if our universe can allow multiple histories to coexist. So, can it?
- Quantum mechanics certainly seems to imply so, at least if you subscribe to Everett’s “many-worlds” interpretation, where one history can “split” into multiple histories, one for each possible measurement outcome.
- General relativity and quantum mechanics tell us that time travel might be possible, but if it is, then multiple histories must also be possible.
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Time travel could be possible, but only if parallel timelines can coexist
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Time travel is a true possibility but the condition is even more mindblowing than the simulation theory! We must have infinite parallel timelines coexisting.
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