In honor of Blog Action Day, the video here is a six-minute TED talk by William Kamkwamba, author of The Boy Who Harnessed the Wind.

Facing serious food shortages in his native Malawi while still a teenager, William taught himself some science and physics. And using scrap materials, he built the windmill that supplied electric power and pumped water to his family.

He says to others:

Trust yourself, and believe. Whatever happens, don’t give up.

If you can’t see the video here, you can click here to go to the original on

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Tim BerryTim Berry

Tim Berry is the founder and chairman of Palo Alto Software and Follow him on Twitter @Timberry.