In Neal Stephenson’s sci-fi novel The Diamond Age, body art has evolved into “constantly shifting mediatronic tattoos”—in-skin displays powered by nanotech robopigments. In the 25 years since the ...

UV tattoos use a fluorescent dye, which means the tattoo only appears under UV light. There is little evidence on whether UV tattoo ink is safe for human skin. UV tattoos, also known as black light ...

Scientists in Germany have developed three different tattoo dyes that change color based on the levels of certain health markers in the blood. Scientists are developing color-changing inks that may ...

A person applying the color-changing tattoo, and a color chart for the medical-alerting tattoo. Ali Yetisen et al. Soon, tattoos won’t just show how cool you are — they’ll also show how healthy you ...

Scientists in Europe have leveraged cutting-edge OLED technology to produce a first-of-a-kind tattoo that could be used to monitor different metrics of physical human performance, or even the ...

Black light tattoos were becoming increasingly popular, especially with the younger generation in 2004.Safety concerns over those kinds of tattoos were in the spotlight after the Food and Drug ...

I once saw a watercolor tattoo IRL and bet my friend five bucks that it was actually a temporary design. Like, it really, truly looked as though it were painted with actual paint brushes, with ...