Note: If you can clearly hear the send script working then your speakers may not be high quality enough to produce sounds in the near ultrasonic range.
Warning: May annoy some animals and humans.
Quietnet
Simple chat program using near ultrasonic frequencies. Works without Wifi or Bluetooth and won't show up in a pcap.
9 Comments
Tags: computers, mad science, security
Today in Mechanical Screensaver news:
GLO: The Midnight Message Board
It's a Snark-o-Tron that images letters onto glow-in-the-dark paint using a moving LED print-head.
Tags: art, mpegs, retrocomputing, toys, xscreensaver
