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4 posts tagged with Ingenuity. (View popular tags)
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William Kamkwamba decided to build a windmill to power lights in his home: "For many years we had only paraffin candles to light my home at night. They are expensive, smoky, smelly and have to be purchased about 8 km from home."
posted by letitrain
on Jul 5, 2007 -
31 comments
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