The Truth About Time Travel According to Real Physics

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We’ve all seen the movies: climb into a DeLorean, hit 88 mph, and suddenly you’re dodging dinosaurs or warning your teenage mum about her terrible taste in men. Hollywood makes time travel look like a casual weekend activity. Real physics, however, is far stranger and in many ways, far cooler than anything a blockbuster has ever shown us. When the smartest humans in history ran the equations, they uncovered a picture of time that’s mind-bending, rule-breaking, and occasionally terrifying. Here are 10 truths about time travel according to real physics.

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