Anyone around back in the ’80s when rabbit ears were the main way of tuning in to your favorite shows will know that foil improved reception. A group of researchers has now found that we can apply similar tech to our WiFi routers. The team of researchers used a 3D printer to produce a cheap and customized reflector that directs wireless signals

Source: Hot Hardware – Researchers Claim That Wrapping Your Router With A Tin Foil Hat Improves Wi-Fi Signals