William Kamkwamba:
Como domei o vento

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

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Aos 14 anos, na pobreza e na fome, um menino malauiano construiu um moinho de vento para fornecer energia à casa da sua família. Agora, aos 22 anos, William Kamkwamba, que discursa aqui na TED pela segunda vez, partilha a comovente história da invenção que mudou a sua vida.

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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