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Veritasium: This Tiny Donut (Almost) Broke Physics in 1986

A 1986 experiment involving a tiny "donut" threw a quantum curveball, teasing physicists! This whole kerfuffle is about the Aharonov-Bohm Effect, which reveals that even seemingly "harmless" quantum potentials can subtly yank on reality, influencing charged particles despite no direct force acting on them. It truly makes you wonder if potentials have more say in our universe than we thought.

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