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Aos 14 anos, em pobreza e 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 surprising journey detailed in the new book, "The Boy Who Harnessed the Wind." Full bio »
Translated into Portuguese by Inês Pereira
Reviewed by Bruno Gomes
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