How to make filthy water drinkable
5,196,730 views |
Michael Pritchard |
TEDGlobal 2009
• July 2009
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.