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[Partially incorrect, see comments.] Pens in Space
(mander.xyz)
A place for majestic STEMLORD peacocking, as well as memes about the realities of working in a lab.
Rules
This is a science community. We use the Dawkins definition of meme.
the paper doesnt necessarily need to absorb the ink, the ink just needs to dry on the surface is such a way that it adheres well enough it doesn't rub off, or stay wet.
So really, you want a high adhesion, quick drying ink, which would basically let you write on any surface it'll stick to.