Water filters are really dirty in sterile drinking water
Saturday, August 29, 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.
http://74.125.127.132/translate_c?h...le.com&usg=ALkJrhiOEq3wQ2snfPn6BEhgFNJ-sFN3KQ
http://74.125.127.132/translate_c?hl=en
Source: ted
Saturday, August 29, 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.
http://74.125.127.132/translate_c?h...le.com&usg=ALkJrhiOEq3wQ2snfPn6BEhgFNJ-sFN3KQ
http://74.125.127.132/translate_c?hl=en
Source: ted
Last edited: