Kyoto Box is a cheap, solar-powered cardboard cooker for use in rural Africa, estimated to prevent two tonnes of carbon dioxide emissions per family per year. The $5 cooker uses the greenhouse ...

That's precisely what the Kyoto Box, a cardboard solar cooker, can do. Made out of basic, 5th-grade-science-experiment Think humankind discovering fire was revolutionary?

image: 1. Cooking box 2. Data acquisition and solar tracking control unit 3. Parabolic collector/reflector 4. Stepper motor 5. Solar panel connected to battery view more . Credit: Clement A. Komolafe ...