Quote Originally Posted by Irving View Post
Very interested.
Come down to the restaurant again, this time, we'll do sesame chicken parabolic style. I have a couple of these...

http://www.scientificsonline.com/lar...eflectors.html - only after a while, I just use them as woks.

Seriously, the chinese has been known to use a polished wok to signal, solar cook, as shield during war etc.