The One Laptop Per Child initiative has had its share of development hiccups. The project hasn't gotten the notebooks down to goal of $100 per machine, and a few recent bugs have delayed the recently proposed Give One Get One plan, in which customers in developed countries buy one of the laptops for themselves, and another for someone in need.
But down at the grassroots level, the project seems to be taking hold. In India, for example, the group is developing a cow-powered system in an area short on sunlight, wind and other good renewable energy sources. Cattle would pull on a series of belts and pulleys, activating a dynamo that re-charges spent laptops. Which is exactly how I use my cows.—Gregory Mone
(Image credit: OLPC)
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.