January 29, 2013

Supersonic Ping-Pong Gun Fires Balls at Mach 1.2

John Roach, NBC News

AP Photo

Few things capture the attention of physics students like a gun that fires Ping-Pong balls, according to a mechanical engineer who just built one that accelerates the balls to supersonic speeds.

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TAGGED: Supersonic Speed, Guns, Ping-pong