The title character of Ray Bradbury’s book The Illustrated Man is covered with moving, shifting tattoos. If you look at them, they will tell you a story.
New LED tattoos from the University of Pennsylvania could make the Illustrated Man real (minus the creepy stories, of course). Researchers there are developing silicon-and-silk implantable devices which sit under the skin like a tattoo. Already implanted into mice, these tattoos could carry LEDs, turning your skin into a screen.
The silk substrate onto which the chips are mounted eventually dissolves away inside the body, leaving just the electronics behind. The silicon chips are around the length of a small grain of rice - about 1 millimeter, and just 250 nanometers thick. The sheet of silk will keep them in place, molding to the shape of the skin when saline solution is added.
Philips, the electronics giant, is exploring some rather sexual uses:
It’s certainly rather creepy, but we’re sure that the inevitable next stage of playing adult movie clips on your partner’s back will be appealing to some. We, of course, are considering the geekier side of this tech. GPS, with a map readout on the back of the wrist would certainly be useful, as would chips that cover your eyeballs and can darken down when the sun is shining too bright.
Gadget Lab | Wired.com
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