Even in places where potable drinking water is scarce, some kind of water is ofter obtainable--even if it’s the stuff that usually ends up in the latrine. SiGNa Chemistry Inc. is taking advantage of the hydrogen in that water with a new portable canister that can power a small fuel cell to juice up mobile electronics on the go. Think of it as fuel for a fuel cell; just add water.
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.