Uses for aluminum foil:

Boil water
signal
make char cloth
cook in
Use as scrubber for cookware
Make a funnel to fill your water bottle
tighten lose battery springs in electronics
make a bowl
make a cup
fire deflector
making fishing lures
wind screen for a stove
serve as a lid
keep tinder dry by wrapping the tinder in layers of it
Pinhole glasses. Just fashion the foil into a glasses shape and poke pinholes in
the "lenses".

Further aluminum foils can also be used for protecting ourselves against radiation hazards in case of a nuclear power plant leak or an explosion of an atomic bomb in a long distance.

Great list there RichP1968 very elaborate and really shows how useful aluminum foil really can be. You don't always realize how beneficial and everyday item such as foil can be.

Wow, I never realized all the uses for aluminum foil. Thanks for the list. Now I know to always have foil on hand.

I don't think that's accurate. Gamma rays will happily travel straight through tin foil. Please see this link:

http://www.iit.edu/~smile/ch9615.html

Beta rays only, not Gamma rays (what most people are afraid of when it comes to radiation). It's nothing special in the foil that does this, just the weakness of Beta rays that allow tin foil to stop it.

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I knew an old timer once who used aluminum foil, and gold foil to make fishing lures. He caught plenty of trout with them, but I don't think that I'd want to learn that trade out in the middle of nowhere!

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Here's a video on how to fold the aluminum foil into a decent bowl to boil water in. The trick here is to use two sheets of aluminum foil.