Just an interesting little nugget of info,
this site shows how to start a fire using a lens made of ice!
http://www.primitiveways.com/ice-fire.html?

Hi monkeyb
Thats real cool (haha) <img src="images/graemlins/cool.gif" alt="" />. But only that wher I live it only gets that cold once or twice A year <img src="images/graemlins/frown.gif" alt="" />. hey if you know tricks that don't requre frezzzzzing could you post them I wood sure like to hear them
Teen suriver

Thanks, for the site. This is my nine-year-old daughter's science fair project. Pete

There are several ways to make fire; traditional bowdrills,hand drills, flint and steel, two appropriate stones, matches, stone and appropriate knife, lighters,sparklites or even carrying a live ember in a punk bundle. What people need to understand, to prioritize is ease and availability of these methods. I've watched the ice crystal method. When everything is perfectly made and you have SUNLIGHT it works. But where there is ice there can be a blizzard. That is when you better have those boring but dependable lifeboat matches or Bic lighter. Sometimes the unusual methods are more to impress people than keep them warm <img src="images/graemlins/wink.gif" alt="" />

Pay attention to what is said there:" To practice, boil water for 10 minutes to remove gas". If you can boil water in a survival situation, surely you can have fire without this glass. <img src="images/graemlins/grin.gif" alt="" />
Regards.

THAT'S funny...

I didn't even catch that. But as I recall, that was what they suggested if you wanted to practice the technique. I don't think it was suggested that you would do it this way in the wild.