SIMPLE LASER COMMUNICATOR

TALK IN SECRET OVER YOUR PRIVATE LASER BEAM LIGHT LINK.

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BY SIMON QUELLEN FIELD

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LIGHT CONVERSATION: No one will suspect you’re communicating through a laser.

Photography by Garry McLeod

How would you like to talk over a laser beam? In about 15 minutes you can set up your own laser communication system using a cheap laser pointer and a few parts from RadioShack. The audio signal from a microphone varies the power feeding ...

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