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.
Tuesday, August 4, 2009
Cool TED Demo: Making Filthy Water Drinkable
This is some worthy engineering:
Some KIds Rock
In case you weren't feeling old and untalented enough, here are two kids performing songs they wrote:
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