William Kamkwamba:
William Kamkwamba om att bygga ett vindkraftverk

TEDGlobal 2007 · 4:12 · Filmed Jun 2007
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När han var endast 14 år gammal byggde den Malawiske uppfinnaren William Kamkwamba ett vindkraftverk till sin familj av reservdelar, utifrån enkla skisser han hittade i en biblioteksbok.

To power his family's home, young William Kamkwamba built an electricity-producing windmill from spare parts and scrap — starting him on a journey detailed in the book and film "The Boy Who Harnessed the Wind." Full bio
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