Tattoos you can turn on and off(livescience.com)
62 points by MortyDev | 29 comments
Live Science article about researchers creating multicolored tattoo inks activated by different wavelengths of light, letting tattoos be hidden or shown.
#tattoos on Hacker News
2 stories tagged tattoos, newest first.
Programmable pigments: Photochromic nanoparticle inks for rewritable tattoos(cell.com)
75 points by Bluestein | 51 comments
A Cell Press Matter journal article on photochromic nanoparticle inks enabling rewritable tattoos; the capture shows a Cloudflare verification page.