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William Kamkwamba on building a windmill
This is a great TED Talk about a young boy (now a young man) who built a windmill 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.
It is used to power his family's home, young and is electricity-producing windmill from spare parts and scrap materials.
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