In the wake of the Fukushima nuclear disaster, countries like Germany and Switzerland have decided that nuclear energy isn’t worth the risk. The Tennessee Valley Authority apparently isn’t so skittish. The TVA has inked a letter of intent with nuke-maker Babcock & Wilcox to build six small, modular reactors near Clinch River, Tenn., the first time such small, distributed reactors have been tapped for commercial power generation.
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.