Backyard ballistics

This updated and expanded step-by-step guide enables ordinary folks to construct more than 13 awesome ballistic devices using inexpensive household or hardware store materials. Clear instructions, diagrams, and photographs show how to build projects ranging from the simple, a match-powered rocket, to the more complex, a tabletop catapult, to the classic, the infamous potato cannon, to the offbeat, a Cincinnati fire kite. With a strong emphasis on safety, Backyard Ballistics also provides troubleshooting tips, explains the physics behind each project, and profiles such scientists and…