William Kamkwamba: How I built a windmill

When he was just 14 years old, Malawian inventor William Kamkwamba built his family an electricitygenerating windmill from spare parts, working from rough plans he found in a library book. TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world s leading thinkers and doers are invited to give the talk of their lives in 18 minutes including speakers such as Jill Bolte Taylor, Sir Ken Robinson, Hans Rosling, Al Gore and Arthur Ben