Karate physics: How your hand can break concrete without breaking itself
Big Think -

In the late 1970s, a team of karate-loving physicists decided to perform an experiment inspired by their collective passion for martial arts. The group was made up of physicist Michael Feld, a brown belt who liked to illustrate the physics of karate via live demonstrations to his classes at the Massachusetts Institute of Technology; Ronald McNair, future astronaut and fifth-degree black belt; and undergraduate Stephen Wilk. “The picture of a karate expert breaking stout slabs of wood and...

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