I just noticed the author of the solar cooker is the same professor who has done a lot of lab testing on material taken from WTC1,2,7 that indicated the use of explosives.

virginiaJim's links to Green Power Science is very helpful. I had a lot of their videos bookmarked already, especially the ones with the fresnel lens cooking techniques, desalinization, and power generation. They are packed with great information, and his wife looks VERY similar to my ex girlfriend... It's entertaining at the very least!