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where did this phenomena come from?
One story states that the tin foil hat has its origins tied into the opposition of freemasonry when it began in 1717. As the story goes, non Freemasons were suspicious of the brotherhood and believed that the Mason were using forms of mind control on them. They began their own fraternity, called the “Mad Hatters” and upon learning about the protective properties of aluminum foil, they created their own hats made of this substance.
The first recorded use of tin foil hats happened in 1927 as derived from a short story by Julian Huxley entitled, “The Tissue-Culture King” in which the protagonist discovers that “caps of metal foil” will block the effects of telepathy”. This was published in “The Yale Review” in April of 1926.
The concept of a tin foil hat for protection against interference of the mind was mentioned in a science fiction short story by Julian Huxley, "The Tissue-Culture King", first published in 1927, in which the protagonist discovers that "caps of metal foil" can block the effects of telepathy.
The scientific reasoning behind the foil helmet is that it acts as a Faraday cage, an enclosure made up of a conducting material that shields its interior from external electrostatic charges and electromagnetic radiation by distributing them around its exterior and dissipating them. While sometimes these enclosures are actual cages, they come in many forms, and most of us have probably dealt with one type or another. Elevators, the scan rooms that MRI machines sit in, "booster bags" that shoplifters sometimes use to circumvent electronic security tags, cables like USB or TV coaxial cables, and even the typical household microwave all provide shielding as Faraday cages.
While the underlying concept is good, the typical foil helmet fails in design and execution. An effective Faraday cage fully encloses whatever it's shielding, but a helmet that doesn't fully cover the head doesn't fully protect it. If the helmet is designed or worn with a loose fit, radiofrequency electromagnetic radiation can still get up underneath the brim from below and reveal your innermost thoughts to the reptilian humanoids or the Bilderberg Group.
In 2005, a group of MIT students, prodded by "a desire to play with some expensive equipment," tested the effectiveness of foil helmets at blocking various radio frequencies. Using two layers of Reynolds aluminum foil, they constructed three helmet designs, dubbed the Classical, the Fez, and the Centurion, and then looked at the strength of the transmissions between a radio-frequency signal generator and a receiver antenna placed on various parts of their subjects' bare and helmet-covered heads.
The helmets shielded their wearers from radio waves over most of the tested spectrum (YouTube user Mrfixitrick likewise demonstrates the blocking power of his foil toque against his wireless modem) but, surprisingly, amplified certain frequencies: those in the 2.6 Ghz ( allocated for mobile communications and broadcast satellites) and 1.2 Ghz (allocated for aeronautical radionavigation and space-to-Earth and space-to-space satellites) bands.
originally posted by: zazzafrazz
a reply to: Klassified
They had Al foil in the 1700 s? :O
Is there any science on the properties of tin foil, or aluminum foil? I mean as sheets, on a wall or over a window?