How to Send secret messages with a laser

Secretly shoot your voice across the room in stealth mode on a laser beam in this fun and easy project! Make Magazine and Kipkay present this cool spy trick. Build a simple laser communicator that transmits your voice across a room. You need an amplifier, radio, laser pointer, battery pack and a solar cell.

3 Comments

shoot that's nothing

Share Your Thoughts

  • Hot
  • Latest