this post was submitted on 04 Dec 2024
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Explain Like I'm Five

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ELI5 How data can be transferred by a laser or beam? (lemmy.world)
submitted 11 hours ago by Patnou@lemmy.world to c/explainlikeimfive@lemmy.world
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Remember reading an article a while back where they said they did it. Can't find it but never really explained how it is even possible or how or why someone said look light lets put some data in itl

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[–] Bronzebeard@lemm.ee 5 points 11 hours ago (1 children)

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.

[–] IphtashuFitz@lemmy.world 3 points 7 hours ago

In other words, it’s effectively Morse Code via light instead of radio or telegraph.