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`Oh, snap!’ A record-breaking motion at our fingertips

Researchers studied the physics of a finger snap and determined how friction plays a critical role. Using an intermediate amount of friction, not too high and not too low, a snap of the finger produces the highest rotational accelerations observed in humans, even faster than the arm of a professional baseball pitcher.

source https://www.sciencedaily.com/releases/2021/11/211116201533.htm

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