There are several ways to create the electricity to charge up
OLPC Laptops, but this
Indian DIY project to harness the power of cows is a clever one. Might scale up to be a village electric utility (after all, having the cowpower of 2-3 cows is very roughly around one
horsepower which is almost 750 Watts or the equivalent of
5-10 people pedaling bicycle-generators)...
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