A man has magnets implanted in his ears. Those magnets then double as speakers, making for invisible headphones.
Creating direct interfaces between humans and machines isn't easy, because our bodies use more than just electricity to send signals. We also rely on ions and protons, and the same material that makes up the insides of squids and the outsides of crabs can be used to tap into these channels to control our cells directly.
Tattoos have been around for ages. They're fine, but where's the innovation? It's been a while since we've seen some big steps forward in the world of body decorations. But hell, flexible, implantable LEDs? Yeah, that's something new.
Those kooky scientists at the Rensselaer Polytechnic Institute have gone overboard with this programmable tattoo concept. It uses hair-sized nanotubes embedded in the skin to display an image of your choice, which persists even after you turn off the...