A loaded toolbelt is not just unsightly, it's uncomfortable. Here's a quick fix. American Tool's Vise-Grip Toolbox Multi-Tool is seven tools in one: a wire cuter, scraper, serrated knife blade, smooth knife blade, reversible screwdriver, and a quarter-inch bit holder for hex drivers—all in the body of locking pliers. Price: $30.
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.