TEDTalks: Michael Pritchard Makes Filthy Water Drinkable

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Too much of the world lacks access to clean drinking water. In this video, 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. [10:05]

TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes.

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