Make fire with ice.
Make fire from ice, it is possible 
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A novel application of a technique originally devoloped for burning polar bears’ eyes while under attack. This is much more practical. Now the next time i am in the wilderness in the middle of winter without matches and need some fire, i will be sure to go and build an apparatus to freeze ice without air bubbles in it then carve a sphere out of it… hehe pardon my sarcasm but really how plausible is this? thought i admit i do want a big sphere of ice…
You’d have more luck rubbing two sticks together. Or just taking a lighter in a plastic bag with you. Interesting read, but this really isn’t plausible for survival purposes unless you’re MacGuyver, in which case you can form a perfect ice sphere with your ungloved hands out of a snowball. If you’re going camping, don’t bring a big sphere of ice. Instead, just bring a lighter.
Seen it before.. it’s up there along with using a chocolate bar and a pop can to start a fire. Well, first aluminum (coke and chocolate), now ice… what’s next……glass?