Finally, DepthX takes water samples for microscopic analysis. A machine vision system, Stone says, "will look for things that are critter-like." The samples will be dyed so that when illuminated by light, the DNA of the organisms fluoresces.
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.