William Kamkwamba's parents couldn't afford the $80 yearly tuition for their son's school. The boy sneaked into the classroom anyway, dodging administrators for a few weeks until they caught him. Still emaciated from the recent deadly famine that had killed friends and neighbors, he went back to work on his family’s corn and tobacco farm in rural Malawi, Africa.
With no hope of getting the funds to go back to school, William continued his education by teaching himself, borrowing books from the small library at the elementary school in his village. One day, when William was 14, he went to the library searching for an English-Chichewa dictionary to find out what the English word "grapes" meant, and came across a fifth-grade science book called Using Energy. Describing this moment in his autobiography, The Boy Who Harnessed the Wind (co-written with Bryan Mealer), William wrote, "The book has since changed my life."
Using Energy described how windmills could be used to generate electricity. Only two percent of Malawians have electricity, and the service is notoriously unreliable. William decided an electric windmill was something he wanted to make. Illuminating his house and the other houses in his village would mean that people could read at night after work. A windmill to pump water would mean that they could grow two crops a year rather than one, grow vegetable gardens, and not have to spend two hours a day hauling water. "A windmill meant more than just power," he wrote, "it was freedom."
For an educated adult living in a developed nation, designing and building a wind turbine that generates electricity is something to be proud of. For a half-starved, uneducated boy living in a country plagued with drought, famine, poverty, disease, a cruelly corrupt government, crippling superstitions, and low expectations, it's another thing altogether. It's nothing short of monumental.
Nathan Peterson built this fantastic “juggling” robot that can be programmed with different juggling patterns and handles more than five balls. “I believe this is the first juggling robot to juggle more than 5 balls,” Peterson says. “Yeah it’s not toss juggling (into the air), but that would be my next project.” Build notes and […]
The PocketLab is billed as a “Swiss Army Knife of science.” Launched via Kickstarter, the small device contains numerous sensors to measure acceleration, force, angular velocity, magnetic field, pressure, altitude, and temperature and send that data to smartphones or laptops. According to inventor Clifton Roozeboom, it’s a tool for students and citizen scientists who can’t […]
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