According to the USDA, it does not make any difference which side of the foil contacts the food. The mostly aluminum, molten alloy is rolled thin and solidified between large, water-cooled chill ...

Aluminum foil is one of the greatest inventions since sliced bread. This roll of paper-thin aluminum is perfect for ...

Between making your own high-voltage capacitors with it, and making more complicated pressure-sensing keyboards, whenever you need something super-thin and conductive, aluminum foil has your back.

Once taken apart and unrolled, we would find two thin aluminum foils separated by a sheet of paper. It would be tempting to decide the foil were our two plates and the paper is our insulator ...