Tin foil hat Tin foil hat A tin foil hat is a hat made from one or more sheets of aluminium foil, or a piece of conventional headgear lined with foil, worn in the belief or hope that it shields the brain from threats such as electromagnetic fields, mind control, and mind reading. The notion of wearing homemade headgear for such protection has become a popular stereotype and byword for paranoia, persecutory delusions, and belief in pseudoscience and conspiracy theories. Note that "tin foil" is a common misnomer for aluminium foil; packaging metal foil was formerly made out of tin before it was
Cold foil printing or offset sheet-fed printing. It can be applied precisely with high resolution, even for fine structures such as raster gradients and thin lines. Typeface is legible from about 5 points upwards and has excellent edge definition. Cold foil printing needs smooth surface substrates for excellent image quality. As the cold foil market evolves, major players in the printing industry are finding ways to make the process even more cost-effective. By indexing cold foil, printers can reduce foil waste, reduce their presses' downtime, and in turn maximize their presses' efficiency. Cold foil is most commonly used on products that call for