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A man wearing a tin foil hat. A tin foil hat is a hat made from one or more sheets of tin foil or aluminium foil, or a piece of conventional headgear lined with foil, often worn in the belief or hope that it shields the brain from threats such as electromagnetic fields, mind control, and mind reading.
Tin foil, also spelled tinfoil, is a thin foil made of tin. Tin foil was superseded after World War II by cheaper and more durable [ 1 ] aluminium foil , which is still referred to as "tin foil" in many regions (an example of a misnomer ).
Within recorded history, Cornwall and Devon only dominated the European market for tin from late Roman times, starting around the 3rd century AD, as many Spanish tin mines were exhausted. [23] Cornwall maintained its importance as a source of tin throughout medieval times and into the modern period.
The term "tin foil" survives in the English language as a term for the newer aluminium foil. Tin foil is less malleable than aluminium foil and tends to give a slight tin taste to food wrapped in it. Tin foil has been supplanted by aluminium and other materials for wrapping food. [3] The first audio recordings on phonograph cylinders were made ...
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.
“It’s strangely reassuring to know a painted portrait can still spark so many conversations in an image-saturated age,” he wrote on Thursday, May 16, before needling the tin foil hat crowd.
So the next time you see an inner city pedestrian wearing an aluminum foil hat, don't be so quick to write them off as insane. They may just want a little peace and quiet. Related Articles
It was often made from a man's felt fedora hat with the brim trimmed with a scalloped cut and turned up. Often, children wearing the cap would decorate it with buttons, badges, or bottle caps. [ 1 ] In the 1920s and 1930s , such caps often indicated the wearer was a mechanic.