This Billboard Produces Drinkable Water Out Of Thin Air

Lima, Peru, has the unfortunate distinction of being the second largest capital in the world located in a desert. It rarely rains there, and many of the residents are forced to get their water from dirty wells. But on the flipside, the humidity also hovers around 98 percent, so the local University of Engineering and… »2/22/13 11:18am2/22/13 11:18am