Back to the Future: Does physics of Marty's time travel add up

Today is 21 October 2015 – the date Marty McFly and Doc Brown travel to in Back to the Future Part II. Can we reconcile the films with reality?

Back to the Future: Does physics of Marty's time travel add up?

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Is time travel possible?

Scientists make important discovery on whether time travel is real which changes thinking - World News - Mirror Online

Back to the Future (creative franchise): What are some of your favourite BTTF time related oddities/changes that occur through the film? - Quora

Best Time Travel Movies: 'Groundhog Day' 'Hot Tub Time Machine,' More – IndieWire

Avengers: Endgame and time travel: Why it all makes perfect sense - CNET