To Build a Fire...

KWC keeps me up-to-date with Mythbusters. His latest post notes the results of Mythbusters investigation of starting fires without matches. How does one start a fire with a chocolate bar and a soda can? Google led me to an interesting series of articles on TrackerTrail.com. How to build a fire with water, ice, a soda can and a chocolate bar, stones, broken lightbulbs, spoons, etc.