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It all happens in a snap. New high-speed video exposes the blink-and-you’ll-miss-it physics behind snapping your fingers. The footage reveals the extreme speed at which the gesture occurs, and shows ...

Karen Hopkin: This is Scientific American’s 60-Second Science. I’m Karen Hopkin. Doing science isn’t easy. It takes an enormous amount of time and energy to collect and analyze data. At least, that’s ...

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 ...