Supersonic Ping Pong Gun ¶

The magic of physics can turn the mundane into something marvelous. Mark French, a mechanical engineering professor at Purdue University, designed a supersonic air-powered ping-pong ball cannon. A ping-pong ball reportedly blasts out of the special cannon at speeds equivalent to Mach 1.23 — nearly as fast as an F-16 fighter jet. As evidenced in the video below, the high-speed ball can put a clean hole through a plywood paddle, a VHS tape, and other objects.

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