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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[–] ExtraPartsLeft@lemmy.world 8 points 2 days ago (1 children)

Black ink only printers can't print in yellow.

[–] FizzyOrange@programming.dev 7 points 1 day ago (1 children)

Unfortunately there are techniques that work with black and white printers too. I don't know if any have actually been implemented though.

[–] ExtraPartsLeft@lemmy.world 5 points 1 day ago (1 children)

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

[–] FizzyOrange@programming.dev 4 points 1 day ago

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.