William Kamkwamba:
William Kamkwamba: Come ho imbrigliato il vento

TEDGlobal 2009 · 5:59 · Filmed Jul 2009
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William Kamkwamba: How I built a windmill

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A 14 anni, un ragazzo del Malawi povero e a rischio di morte per fame ha costruito un mulino a vento per dare energia alla casa della sua famiglia. Ora, a 22 anni, William Kamkwamba, che parla qui a TED per la seconda volta, racconta con parole sue la commovente storia dell'invenzione che ha cambiato la sua vita.

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
This talk was presented at an official TED conference, and was featured by our editors on the home page.



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