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> On the Effectiveness of Aluminium Foil Helmets: An Empirical Study
>
> Ali Rahimi1, Ben Recht 2, Jason Taylor 2, Noah Vawter 2
>
> 1: Electrical Engineering and Computer Science department, MIT.
> 2: Media Laboratory, MIT.
>
>
>
> Abstract
>
> Among a fringe community of paranoids, aluminum helmets serve as
> the protective measure of choice against invasive radio
> signals. We investigate the efficacy of three aluminum helmet
> designs on a sample group of four individuals. Using a $250,000
> network analyser, we find that although on average all helmets
> attenuate invasive radio frequencies in either directions (either
> emanating from an outside source, or emanating from the cranium
> of the subject), certain frequencies are in fact greatly
> amplified. These amplified frequencies coincide with radio bands
> reserved for government use according to the Federal
> Communication Commission (FCC). Statistical evidence suggests the
> use of helmets may in fact enhance the government's invasive
> abilities. We speculate that the government may in fact have
> started the helmet craze for this reason.
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