Now, this is just simply cool. It’s a Solar Cooker.
The BYU Funnel Cooker/Cooler can: * Cook food without the need for electricity or wood or petroleum or other fuels. * Pasteurize water for safe drinking, preventing many diseases. * Save trees and other resources. * Avoid air pollution and breathing smoke while cooking. * Use the sun's free energy. A renewable energy source. * Cook food with little or no stirring, without burning. * Kill insects in grains. * Dehydrate fruits, etc. * Serve as a refrigerator at night, to cool even freeze water.