Michael Pritchard: How to make filthy water drinkable

This quick TED talk entry is courtesy of TED.com. 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. An amazing demo from TEDGlobal 2009.

Click Here to see the talk on TED.com