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La vârsta de 14 ani, inventatorul de origine din Malawi, William Kamkwamba a construit pentru familia sa o moară de vânt generatoare de curent electric din piese de schimb, având drept suport schițe pe care le-a găsit într-o bibliotecă.
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 "The Boy Who Harnessed the Wind" and the new film, "William and the Windmill." Full bio »