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.