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Solar Funnel Cooker

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Later, Steven did extensive tests with students (including reflectivity tests) and found that aluminized Mylar was good too, but relatively expensive and rather hard to come by in large sheets. Besides, cardboard is found throughout the world and is inexpensive, and aluminum foil is also easy to come by. And individuals can make their own solar cookers easily, or start a cottage-industry to manufacture them for others.
 
Later, Steven did extensive tests with students (including reflectivity tests) and found that aluminized Mylar was good too, but relatively expensive and rather hard to come by in large sheets. Besides, cardboard is found throughout the world and is inexpensive, and aluminum foil is also easy to come by. And individuals can make their own solar cookers easily, or start a cottage-industry to manufacture them for others.
   
Prototypes of the Solar Funnel Cooker were tested in Bolivia, and performed well. Brigham Young University submitted a patent application, mainly to ensure that no company would prevent wide distribution of the Solar Funnel Cooker. BYU makes no profit from the invention. Steven later learned that a few people had had a similar idea, but with methods differing from those developed and shown here. Steven has works to disseminate this design so it can be used to capture the free energy of the sun - for camping and for emergencies, yes, but also for every day cooking where electricity is not available and even fuel wood is getting scarce.
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Prototypes of the Solar Funnel Cooker were tested in Bolivia, and outperformed an expensive solar box cooker and a "Solar Cookit" - while costing much less. Brigham Young University submitted a patent application, mainly to ensure that no company would prevent wide distribution of the Solar Funnel Cooker. BYU makes no profit from the invention. Steven later learned that a few people had had a similar idea, but with methods differing from those developed and shown here. Steven has works to disseminate this design so it can be used to capture the free energy of the sun - for camping and for emergencies, yes, but also for every day cooking where electricity is not available and even fuel wood is getting scarce.
   
 
==How it Works==
 
==How it Works==
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