The quantum mechanics of “Avengers: Endgame,” fact-checked by scientists
Spoiler alert: This story contains details of the plot of Avengers: Endgame. At the end of Avengers: Infinity War half the people (including heroes and villains) in the universe were gone in the snap of a finger from Thanos (Josh Brolin). So how can Avengers: Endgame try to bring them back? Well, with …
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