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.
Thursday, May 13, 2010
"ေရကို ဘယ္သူ သန္ ့စင္မလည္း." Michael Pritchard's water filter turns filthy water drinkable
Subscribe to:
Post Comments (Atom)
0 comments:
Post a Comment