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.