As featured later on Mythbusters (and mentioned on the Make blog awhile back), Wildwood Survival shows how to make a fire without tools, using just a can of coke, a chocolate bar, and some tinder. A follow-up post provides some alternative methods for “people who would like to make a solar reflector from the bottom of a can, but don’t want to put in too much muscle.”

For more food hacking ideas, check out Slashfood’s roundup of top 25 food hacks or the Food Hacks Instructables group. For more on survival and hacking the great outdoors, outdoorhacks.com is worth a look.