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Ingenious (and Fun!) Water Pump

In places like Africa where clean water is at a premium and girls must often spend much time carrying it from the source to their village, PlayPump works at a nearby underground source. How does it work? It’s a merry-go-round! Five minutes of kids playing on it provides a good-size bucket of water. See the YouTube video


Source: Guy Kawasaki – The Cleverest Idea I’ve Seen In Years

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