What better way to teach a group of youngsters about engineering and science than with a little watermelon demolition. A group of Boy Scouts in Des Moines, Iowa used PVC pipe to build a cannon capable of launching a ping pong ball faster than the speed of sound — at an unsuspecting watermelon.
The video below shows the whole thing unfold, including edited footage of the watermelon getting vaporized in slow motion. VIDEO
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