William Kamkwamba describes dreaming of bringing light to his village in Africa and how he taught himself physics and used spare parts to build a windmill that produced electricity.

Guests

  • William Kamkwamba a student at the Pan-African Leadership Academy in South Africa and a 2007 TED Global Fellow.
  • Bryan Mealer author of "All Things Must Fight to Live" and a former Associated Press correspondent in the Democratic Republic of Congo.

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