Backyard Ballistics
Plug your ears! Announcing: the official manual for real boys (and possibly, their dads)! Build potato cannons, paper match rockets, water blast rockets made from plastic soda pop bottles, Cincinnati fire kites, tennis ball mortars, tabletop catapults, and more dynamite devices. A great step-by-step guide for building 13 awesome ballistic devices using inexpensive household or hardware store materials. Clear instructions and photographs show just what to do, and explain the physics behind each project. Plus, historical spotlights are included on such incredibles as Alfred Nobel, Robert Goddard, Isaac Newton and others. Don't worry, Mom, this book is very, very safe! Paperback, 169 pages. |
