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 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 ...

I'm a tattoo artist that specializes in black-and-gray and color-realism designs. Don't expect the color to look exactly the same as in the reference photo, especially when healed. Consider getting ...