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February 12, 2008
How good ideas can change the world
…"The cleverest idea I've seen in years"… The PlayPumps system produces clean waters in poor, rural communities in Africa. It is generated by a water pump and fueled by children playing on a merry-go-round. (From Guy Kawasaki)
Enigma-Like Ciphering Machine Patents
A real Clockwork Orange in action. (May take awhile to download)
A Huge Depository of Unusual Inventions & Discoveries Here
February 12, 2008 in Science & Inventions | Permalink
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