Tattoos are usually considered a form of personal expression, but a team of researchers in Europe have created what they’re calling the world’s first light-emitting tattoo based on OLED screen ...

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 ...

Scientists at the University College of London (UCL) and the Italian Institute of Technology (IIT) have created temporary tattoos embedded with OLED lights like the ones used to illuminate TVs and ...

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 ...

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 ...