The Nigerian inventor of a refridgerator made of two clay pots, sand and water, wins a big award.
erranttv's story links
Inventor of Refrigerator That Uses Two Clay Pots and Water Instead of Electricity Wins Award
(via www.boingboing.net)
Submitted by erranttv on Thu, 2007-12-20 01:10. | Tags: food | conservation | Efficiency | electricity
