Nanotech paint blocks WiFi signal

Want to keep your neighbor from snooping on your WiFi signal (which is downloading an adult video from an illegal bittorrent site)?

Fear not – nanotechnology is to the rescue!

NaturalNano has developed a spray coating paint that can block high frequency radio signals, such as those used by your WiFi equipment (usually 2.4Ghz). This passive blocking of Radio Frequency signals (RF) has a variety of applications, including movie theaters who need a legal way of blocking cell phones from ringing during a movie (active signal jammers are illegal).