Tin foil hat to achieve this effect. A belief also exists that aluminum foil is a protective measure against the effects of electromagnetic radiation (EMR) for many unspecified EMR frequencies. Despite some allegations that EMR exposure has negative health consequences, no published experimental scientific evidence has established that tinfoil hats are effective. In 1962, Allan H. Frey discovered that the microwave auditory effect (i.e., the reception of the induced sounds by radio-frequency electromagnetic signals heard as clicks and buzzes) can be blocked by a patch of wire mesh (rather than foil) placed above the temporal lobe. Foil hats have appeared in the films
Kitchen which answered the home cook's needs for storage and working space. A distinctive feature of the Hoosier cabinet is its accessories. As originally supplied, they were equipped with various racks and other hardware to hold and organize spices and various staples. One useful feature was the combination flour-bin/sifter, a tin hopper that could be used without having to remove it from the cabinet. A similar sugar bin was also common. The urbanization in the second half of the 19th century induced other significant changes that would ultimately change the kitchen. Out of sheer necessity, cities began planning and building water