TED Talks

Michael Pritchard: How to make filthy water drinkable (2009x132)

Exibido em:: Ago 04, 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.