How to Create Bang-up Devices That Shoot, Sizzle, and Soar

What happens when you duct-tape a couple of potato chip tubes together, then add an energy source, a tennis ball, and a match? In Backyard Ballistics, you will find out how to build tennis ball mortars, potato cannons, paper match rockets, dry cleaner bag balloons, and nine other dynamite devices. Using inexpensive household or hardware store materials, your boys can construct bang-up devices with the help of this step-by-step guide. With a strong emphasis on safety, the book gives tips on troubleshooting, explains the physics behind the projects, and profiles famous scientists and extraordinary experimenters. Indispensable for the legions of backyard toy-rocket launchers and fireworks fanatics who wish every day was the Fourth of July.