January 19, 2009

Proving once again that the best ideas are often the simplest, 21-year-old student/inventor/entrepreneur Emily Cummins has designed a brilliant portable solar-powered refrigerator that works based upon the principle of evaporation. Employing a combination of conduction and convection, the refrigerator requires no electricity and can be made from commonly available materials like cardboard, sand, and recycled

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Student Invents Solar-Powered Fridge for Developing Countries