Simple chat program using near ultrasonic frequencies. Works without Wifi or Bluetooth and won't show up in a pcap.

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.

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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.

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