Tinfoil hats, unfortunately for conspiracy enthusiasts, have been shown to enhance specific radio frequencies.
The scientific explanation behind tinfoil hats' alleged usefulness is that the foil serves as a Faraday cage, sheltering the wearer from any electromagnetic radiation. In theory, this would keep evildoers from reading your thoughts. To be effective, a Faraday cage must entirely encompass the object it is meant to protect—which tinfoil hats do not. In 2005, MIT graduate students tested the effectiveness of partially enveloping one's head in foil by creating helmets in three distinct designs. They then measured the strength of transmissions between a radio-frequency signal generator and a receiver antenna placed at various locations around the heads of test subjects, both with and without the helmet. They di