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Aluminium foil (or aluminum foil in American English; occasionally called tin foil) is aluminium prepared in thin metal leaves. The foil is pliable and can be readily bent or wrapped around objects. Thin foils are fragile and are sometimes laminated with other materials such as plastics or paper to make them stronger and more useful.
The history of aluminium was shaped by the usage of its compound alum. The first written record of alum was in the 5th century BCE by Greek historian Herodotus. [2] The ancients used it as a dyeing mordant, in medicine, in chemical milling, and as a fire-resistant coating for wood to protect fortresses from enemy arson. [3] Aluminium metal was ...
[1] [2] Foils are most easily made with malleable metal, such as aluminium, copper, [3] tin, and gold. Foils usually bend under their own weight and can be torn easily. [2] For example, aluminium foil is usually about 1 ⁄ 1000 inch (0.025 mm), whereas gold (more malleable than aluminium) can be made into foil only a few atoms thick, called ...
So NASA’s scientists wrapped the cables in a whole lot of aluminum foil and found that in 1979 Voyager 1 had safely swung past Jupiter and would continue on its legendary journey.
Foil made from a thin leaf of tin was commercially available before its aluminum counterpart. [2] In the late 19th century and early 20th century, tin foil was in common use, and some people continue to refer to the new product by the name of the old one. Tin foil is stiffer than aluminum foil. [3]
Charles Martin Hall (December 6, 1863 – December 27, 1914) was an American inventor, businessman, and chemist.He is best known for his invention in 1886 of an inexpensive method for producing aluminium, which became the first metal to attain widespread use since the prehistoric discovery of iron.
US production of aluminum, 1940–2014. Data from USGS. The aluminum industry in the United States in 2023 produced 860 thousand metric tons of aluminum from refined metal ore (primary production), at six smelters. In addition, US industry recycled 3.4 million tons of aluminum (so-called secondary production aluminum). [1]
Metal leaf, a very thin sheet of decorative metal; Aluminium foil, a type of wrapping for food; Tin foil, metal foil made of tin, the direct predecessor to aluminium foil; Transparency (projection), a thin sheet of transparent flexible material, placed on an overhead projector for display to an audience
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