Karate physics: How your hand can break concrete without breaking itself
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 concrete with his bare hand is a familiar one,” begins a 1979 paper by Feld, McNair, and Wilk. The trio wanted to know: How can a bare hand demolish a solid...... Read Full article on HadNews