When someone uses the term tin foil, that person is almost always talking about aluminum foil. Tin foil is an old term, and it has carried into the present where it is frequently used to mean...
It's a thin sheet or foil made of metal.
Which metal precisely is an open question.
At one time it actually was made of tin; now aluminium is much more likely.
The first Rin-Tin-Tin was a German shepherd brought back to the United States from France after World War I by a serviceman named Lee Duncan. Duncan trained him as a police and war dog, then...
Actual tin foil was superseded by cheaper and more durable aluminum foil after World War II, and aluminum foil is sometimes confused as "tin foil" because of its similarity to the former material....
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