Walls of water could protect astronauts from radiation while recycling their bodily waste and purifying the air, under a new NASA concept. The “Water Walls” design takes a page from mother nature and uses water for passive protection.
A new type of wind turbine harvests not only electricity from the wind, but clean water from the air, by condensing humidity from even the driest climes. One prototype turbine is apparently collecting 16.3 gallons of water an hour from the desert air over Abu Dhabi, according to the company that builds it.
Americans blow $17 billion a year on water, the creators of the Bobble will have you know, and 1.5 million barrels of oil go to making the plastic bottles from which we consume it. The Bobble is the solution — a reusable bottle with a filter built right in.
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.