William Kamkwamba: How I built a windmill

Uploader: TED

Original upload date: Wed, 01 Aug 2007 00:00:00 GMT

Archive date: Tue, 07 Dec 2021 10:25:27 GMT

http://www.ted.com 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 libra
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