A Selection of the Scientific American Book Club?Want to add more excitement to your life??This daring combination of science, history, and DIY projects will show you how. Written for smart risk taker
Whether playing at defending their own castle or simply chucking pumpkins over a fence, wannabe marauders and tinkerers will become fast acquainted with Ludgar, the War Wolf, Ill Neighbor, Cabulus, an
In this revised and expanded edition, William Gurstelle shows ordinary folks how to build a dozen fun and impressively powerful launchers with inexpensive household and hardware store materials. This
From the author of Backyard Ballistics comes a new DIY handbook on building cannons and other fun things that shoot, from whiffle ball launchers and marshmallow bazookas to super-powered water guns an
This bestselling DIY handbook now features new and expanded projects, enabling ordinary folks to construct 16 awesome ballistic devices in their garage or basement workshops using inexpensive househol
A man’s home is his castle, or so the saying goes, but could it withstand an attack by Attila and the Huns, Ragnar and the Vikings, Alexander and the Greeks, Genghis Khan and the Mongols, or Tamerlane
The technology underground is a thriving, humming, and often literally scintillating subculture of amateur inventors and scientific envelope-pushers who dream up, design, and build machines that whoos
This book is a journey through an imaginary museum gallery filled with exhibits and projects from the history of invention. In Volume 2, America's Great Inventors, readers will learn about--and build-
This book is a journey through an imaginary museum gallery filled with exhibits and projects from the history of invention. In Volume 1, The Gallery of Ancient Scientists, readers will learn about--an
These are the homemade machines that you’ve dreamed of building, from the high-voltage Night Lighter 36 spud gun to the Jam Jar Jet, the Marshmallow Shooter, and the Yagua Blowgun. Including detailed
