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ELI5 How data can be transferred by a laser or beam?
(lemmy.world)
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this post was submitted on 04 Dec 2024
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Digital data is just 1s and 0s.
On and off. If you turn that laser on and off you're transmitting binary information. The receiver can interpret that. We already do that with fiber optic cable, basically. This is just removing the wire.
In other words, it’s effectively Morse Code via light instead of radio or telegraph.