What do astronauts do with human waste?
Recently, NASA asked researchers to come up with a way to use all of the human waste expected to pile up when it builds a moon base. The best answer was to use it to fuel spacecrafts on their trips back to Earth.
Continue reading… “NASA will use human waste to fuel spacecrafts”
Several days ago, we looked at “toilet to tap,” the increasingly useful art of turning sewage into drinking water. Orange County, Calif., which is pioneering the practice, is proud to tell you how thoroughly its filtration purges the sewage: “Thousands of microfilters, hollow fibers covered in holes one-three-hundredth the width of a human hair, strain out suspended solids, bacteria and other materials.” Continue reading… “Free Energy That Stinks”