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> It could be interpreted as universe having a separate family of particles going backward in time synchronizing entangled particles over distance.

Are you kidding me? I'm a big Nolan fan but I really threw up my hands at "Tenet". It didn't feel like it made a whole lot of sense.

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In case you didn't know, Physicist Richard Feynman proposed the idea that positrons could be electrons moving backwards in time in his paper "The Theory of Positrons." He even takes it further to say that it could be that there is only 1 electron in the entire universe and it is traveling forwards and backwards in time to appear in the positions of all the electrons and positrons.

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