'Better Call Saul' is the latest show to feature a character who shields himself from electricity, but the tin foil hat has a long cultural history. RK by Roisin Kiberd 06 March 2015, 7:00pm
A middle-aged man sits in darkness, surrounded by paper and books. Once the successful founding partner of a law firm, his life is now desolate and lonely. In front of him on the desk is a typewriter: his one concession to modernity is over a century out of date. One of the more unusual subplots in Breaking Bad spin-off Better Call Saul concerns the lawyer's brother Chuck McGill, who has withdrawn from public life due to a mysterious sensitivity to electricity in the air. Advertisement The condition, known as electromagnetic sensitivity, has been subject to much off-screen debate, with critics viewing it alternately as a genuine intolerance to technology, or as an elaborate neo-Luddite hoax. Whole towns of "electrosensitives" have sprung up in America free from phone signals and wifi, with products such as electromagnetic frequency blocking curtains and microwave absorber sheets are sold—ironically—online. Homespun websites offer tips for "electromagnetic victims" in increasingly bombastic language, listing "V2K" ("voice to skull") mind control and even alien abduction among the risks presented by letting electromagnetic waves permeate the brain.
Rather than upping sticks to a town in West Virginia, in Better Call Saul we see Chuck wrapped in a metal foil sheet, hiding out in a darkened room. Though he might be genuinely suffering from an allergy to modern life, psychosomatic or otherwise, Chuck's appearance directly calls to mind the tin foil hat classically associated with paranoid conspiracy theorists. Most often made from aluminium foil rather than actual tin, the tin foil hat trope surfaces in The X Files, Futurama, M. Night Shyamalan's alien sci-fi flick Signs, and of course that episode of The Simpsons, "Brother's Little Helper," in which Bart's prescription for Ritalin substitute Focusin goes awry and leads him to believe he's being mind-controlled by major league baseball. Advertisement But the hat goes back further in cultural history: It can be traced back in a very weird and prescient short story written in 1927 by Julian Huxley, brother of the better-known author Aldous and half-brother to Nobel laureate Andrew. It's easy to sympathize with Chuck, especially in recent episodes where we see him being tasered by the police. But before you trade your iPhone for a silver-coated nylon "Brain Coat," consider the results of a study conducted by MIT in 2005. Testing, we can only assume semi-seriously, three different models of the tin foil hat ("the Classical, the Fez and the Centurion"), researchers found that encasing your head in foil actually amplifies electromagnetic frequencies, rather than shielding them. Radiation is partially reflected by the ungrounded foil, focusing waves more directly on the wearer's brain. The study concludes on a tongue-in-cheek note: "It requires no stretch of the imagination to conclude that the current helmet craze is likely to have been propagated by the Government, possibly with the involvement of the FCC. We hope this report will encourage the paranoid community to develop improved helmet designs to avoid falling prey to these shortcomings." Either that, or Major League Baseball. D'Ork of the Thorkoth: I seem to recall it was your bright idea to spend billions of credits on those orbiting mind-control lasers! Dr. Zarkendorf: How was I to know that tinfoil hats would become the latest fashion? — Plan 7 of 9 from Outer Space Advertisement: When a writer wants to establish a character as a Conspiracy Theorist, a Crazy Survivalist, or another kind of paranoid Cloudcuckoolander, they usually give them hats made out of tinfoil to wear, ostensibly to protect themselves from The Government's Mind Control rays. As The Other Wiki can tell you, however, aluminium actually has very little shielding effect and covering just the top of the head with it leaves the rest of the body (including the bottom of the head) "unprotected", anyway. (In fact, if improperly made, the tinfoil could amplify any radiation reaching the head.) So whoever is wearing it must be... funny in the head to begin with. Or the more sinister interpretation: the whole idea that tinfoil will protect you is Just What They Want You To Think. To elaborate: To shield off radiation, you need steel. Electromagnetic waves consist of alternating areas of electric fields and magnetic fields. To reflect them, you need a material that shorts both electric fields and magnetic fields. In terms of shorting electric fields, any metal (being conductors) does an adequate job — aluminium (which so called tinfoil is usually made of, despite its name) is even a very good conductor — but to short magnetic field you need a ferromagnetic metal, like iron, nickel or cobalt. As iron is seldom used nowadays, the best choice is steel (an alloy of iron, carbon and tiny amounts of other components). Just take a look at a video-recorder: Videorecorders may have fancy chassis made of aluminium, but if you look inside, you will see a small box behind the coaxial connectors, where the aerial is connected, containing the high frequency circuitry. This box is made of steel in order to shield the radiation. Advertisement: Of course, this assumes the threat is actually radiative in nature. It isn't really clear where this stereotype originated, though. After all, how many actual conspiracy theorists do you know of who wear these? For when a Tinfoil Hat actually does protect the Properly Paranoid wearer, see also Artistic License – Nuclear Physics and Fantastic Radiation Shielding. This trope includes both properly paranoid and simply paranoid examples. Compare also Manifesto-Making Malcontent, where manifestos are used as a similar material shorthand for potentially dangerous weirdos. Advertisement: Examples:open/close all folders Fan Works
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