From the men who brought you bakelite, Tesla, and air brakes came Micarta: a super-tough fiber and resin composite that has been in use since the early 20th century. Micarta is used in a huge variety of applications, from power generation to countertops. In this writeup, two knifemakers show you how you can make your own generic version from epoxy and blue jeans that will stand up to a sledgehammer.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.