William Kamkwamba:
William Kamkwamba: Cum am valorificat vântul

TEDGlobal 2009 · 5:59 · Filmed Jul 2009
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William Kamkwamba: How I built a windmill

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La vârsta de 14 ani, în sărăcie şi foamete, un băiat Malawian a construit o moară de vânt pentru a-şi alimenta casa familiei lui. Acum, la 22 de ani, William Kamkwamba, care vorbeşte la TED, aici, pentru a doua oară, împărtăşeşte cu cuvintele lui povestea emoţionantă a invenţiei care i-a schimbat viaţa.

To power his family's home, young William Kamkwamba built an electricity-producing windmill from spare parts and scrap — starting him on a journey detailed in the book and film "The Boy Who Harnessed the Wind." Full bio
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