Time travel in Back To The Future

the wonderful precognition movie Arrival
Eric Wargo • Time Loops
Anyone who has ever watched a film with time-travel, or read a book with time-travel, or dissociated on a delayed public transport vehicle considering the concept of time-travel, will know that the moment you start to think about the physics of it, you are in a crock of shit. How does it work? How can it work? I exist at the beginning and end of
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