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William Kamkwamba o budowie wiatraka
4,231,505 plays
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William Kamkwamba
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TEDGlobal 2007
• June 2007
Read transcript
W wieku 14 lat, wynalazca mieszkający w Malawi, William Kamkwamba, skonstruował dla swojej rodziny wiatrak generujący prąd elektryczny. Zbudował go na podstawie prostego planu z książki, wykorzystując niepotrzebne przedmioty.
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