[William] is the young man from Malawi who at the age of 14 built a windmill generator out of discarded items. Now at 22 years old, [William] is working on his SAT scores in hopes that he can ...

Power was scarce in William Kamkwamba's home country of Malawi, so he decided to collect his own energy. The windmill Kamkwamba built is the subject of his 2007 talk, in which he describes the ...