WORLDPOST
03/18/2010 05:12 am ET | Updated May 25, 2011

William Kamkwamba Helps African Poverty With A Homemade Windmill (VIDEO)

William Kamkwamba, a Malawian high school student and inventor, talks to Jon Stewart about how he built a windmill by looking at pictures in a book.

The Daily Show With Jon StewartMon - Thurs 11p / 10c
William Kamkwamba
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