William Kamkwamba:
William Kamkwamba: Kuinka valjastin tuulen

TEDGlobal 2009 · 5:59 · Filmed Jul 2009
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Köyhyyden ja nälänhädän keskellä elänyt 14-vuotias malawailainen poika rakensi tuulimyllyn kotitalonsa virtalähteeksi. Nyt 22-vuotias William Kamkwamba kertoo toisessa TEDissä pitämässään puheessaan omin sanoin liikuttavan tarinan keksinnöstä, joka muutti hänen elämänsä.

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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