When he was just 14 years old, Malawian inventor William Kamkwamba built his family an electricity-generating windmill from spare parts, working from rough plans he found in a library book.

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.”

Video, Photo and Text from: TED

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