Sand is a cheap and easy to find water filter. It's also not a very good water filter. But a new development--coating sand in graphite--could make it possible for everyone in the world to have easy access to clean water.READ»
We take it for granted that water comes from the tap, but we don't appreciate that it often has to travel hundreds, even thousands of miles from its source to get where it's ultimately consumed. David Wicks, a masters student at UCLA, ...READ»
Perhaps you're vaguely aware that the world is wracked by drinking water shortages. But as much as we hear that news these days, the problem always seems fairly abstract. Here's an infographic that tries to solve that dilemma, by ...READ»
Designer Leonardo Manavella has come up with a concept device that turns urine into drinkable water. The H20 purifier, meant for emergency situations and areas where drinking water is unsafe, requires users to urinate on the ...READ»
