this post was submitted on 14 Jul 2023
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Light-based “LiFi” is stunningly fast, notably fragile—and now standardized (arstechnica.com)
submitted 2 years ago by [email protected] to c/[email protected]
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[–] [email protected] 2 points 2 years ago

Covert communications could also be an application. Just need line of sight and a signal could be sent undetected, and if anyone or anything above a certain size gets on position to detect it, their detection would be observed by both sender and receiver. The attempt would likely be noticed even before the detection, so the signal could be stopped until whatever it is that's looking moves on.