William Kamkwamba: How I built a windmill | TED Talk
About the talk. Transcript. 46 languages. 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. This talk was presented at an official TED conference, and was featured by our editors on the home page.
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