Alternative Health Issues

How to make filthy water drinkable?

Too much of the world lacks access to clean drinking water. Engineer Michael Pritchard did something about it — inventing the portable Lifesaver filter, which can make the most revolting water drinkable in seconds.  http://www.lifesaverusa.com/ An amazing demo from TEDGlobal 2009. Source: href=”http://www.ted.com/talks/michael_pritchard_invents_a_water_filter”>http://www.ted.com/talks/michael_pritchard_invents_a_water_filter