Backyard Ballistics: Build Potato Cannons, Paper Match Rockets, Cincinnati Fire Kites, Tennis Ball Mortars, and More Dynamite Devices

This book is not politically correct, in an era in which school science experiments have been tamed to the point that there is little possibility that the teacher will kill or maim him/herself. William Gurstelle, an engineer who has been collecting plans for devices that will throw stuff fast and far, is careful to emphasize the hazards implicit in shooting potatoes or water balloons the length of a football field, or launching flaming newspaper (Cincinnati fire kite) into the sky. Youngsters would need lots of adult supervision when making or using these devices, but any budding engineer would thrill to see them in action.

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