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That is so cool. I wonder if this allows for printing images with some kind of 3d printer like thing with a weak uv laser
Got me in mind of the people nowadays "renting space" across their body - this would be an ultimate form ...
Hear me out, implanted lie detectors with displays tattooed into the foreheads of politicians.
Simpler to just use a normal tattoo that says "LIE".
Insert *obligatory* "mouth is moving..." joke :)
You guys are so funny :)
I'll have to read up on this. I wonder about it as a kind of e-ink?

I'm sure there are a bunch of differences, but fun to think about perhaps.

Inject each color in a grid as pixels, then use an LED array on a flexible backing to reprogram each pixel and change the image. Kinda like e-ink in the sense that it's a display that only needs power to change the image.
Years ago I wrote a short sci fi story where a guy invents and open sources a system like crispr (before crispr existed) and takes it to burning man and gives everybody gene therapy to make glowing cephalopod tattoos that can appear/disappear/change color/all the other things that cuttlefish can do.

The technology ends up being repurposed for all sorts of medicines/recreational purposes.

Only after it's released, it turns out it causes some fatal disease a year later, which is only noticed because Burning Man was empty next year.

Wonder if it would be possible, someday, to make Cellular Automata out of these? Then could have skin level dynamic images.
I’m older, with no tattoos. My oldest son has several.

I’ve noticed with some amusement that several celebrities ( and non-celebrities ) have publicly announced and explained their recent tattoo removals.

It reminds me of Dr. Seuss’s Sneetches.

I think your smugness is unwarranted. Some people get tattoos on a lark, and grow out of their meanings and eventually remove them. Some people think long and hard about their tattoos and they become personally commissioned works of art.

I have two gorgeous sleeves with deep meaning, that I put hours and hours of pain in to. But they are for me. I love the art, I love carrying that art. I don't care about how they scan to others.

It has nothing to do with being cool or fitting in.

They weren't talking about you then
Reminds me of that Ray Bradbury short story, "The Illustrated Man."