A teenager in Malawi built a working windmill from scrap materials to power lights and radios.
From “William Kamkwamba: How I built a windmill” — TED
see it said at 1:54Surprising facts — each proven at the exact second of its video
A teenager in Malawi built a working windmill from scrap materials to power lights and radios.
From “William Kamkwamba: How I built a windmill” — TED
see it said at 1:54