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William Kamkwamba o stavbě větrného mlýna
4,231,505 plays
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William Kamkwamba
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TEDGlobal 2007
• June 2007
Read transcript
Když mu bylo jen 14 let, malawijský vynálezce William Kamkwamba postavil své rodině větrný mlýn na výrobu elektřiny. Použil přebytečné díly a držel se pouze přibližného návodu, který našel v knihovně.
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