Here’s a novel way to get a little more out of time spent in the bathroom. An industrial design student at De Montfort University in Leicester, UK, has created a clever power generator that turns falling wastewater into electricity. The HighDro Power is a waterwheel-like turbine that can be incorporated into the pipes of tall buildings to turn one man’s waste into another man’s wattage.
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.