William Kamkwamba: How I harnessed the wind

“At age 14, in poverty and famine, a Malawian boy built a windmill to power his family’s home. Now at 22, William Kamkwamba, speaks at TED for the second time and shares in his own words the moving tale of the invention that changed his life.”

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William Kamkwamba: How I harnessed the wind


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