October 21, 2008 12:41 PM PDT

Inventor Kamen pitches tech for world's poor

CAMBRIDGE, Mass.--Segway inventor Dean Kamen on Monday detailed two of his design firm's latest projects aimed at the developing world--a water filtration machine and electricity generator that runs on cow dung.

http://news.cnet.com/8301-11128_3-10071457-54.html

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