this post was submitted on 01 May 2025
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iiiiiiitttttttttttt

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you know the computer thing is it plugged in?

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[โ€“] ExtraPartsLeft@lemmy.world 5 points 1 day ago (1 children)

I hadn't heard that. I guess imperceptible grey is just as good.

I can't find it now but IIRC it works differently - not by adding dots but by subtly modulation the laser power. It's more like traditional steganography.