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by kleiba 878 days ago
Oh, it has been invented already. I specifically came back in time to make the above comment...
2 comments
aspenmayer 878 days ago
We’re all living in John Titor’s world.

https://en.wikipedia.org/wiki/John_Titor

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datadeft 878 days ago
Our current understanding it that you can only travel forward in time. Could you explain how to do it backward?
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