| Let's see, tman. Did you ever play with a magnifying glass when you were a child? Using it to focus the solar rays and SET THINGS ON FIRE? Ever open up your car door and sit on a vinyl seat that burned your backside?
Sheesh, tman! Solar cookers work! They are proven technology! They are a low cost way for the impoverished people of this world to advance.
Isn't there anyone reasonable on this forum who wants to discuss this subject?
"Arms in the hands of the citizens may be used at individual discretion for the defense of the country, the overthrow of tyranny or private self-defense." -- John Adams |