Who needs Glass when you've got contact lenses that can display video and even detect health problems? What's more, lenses with these capabilities could one day be created using a 3D printer.
"The lens is a transparent polymer with several components embedded inside: nanoscale quantum dot light-emitting diodes, wiring made from silver nanoparticles, and organic polymers that could act as parts of electrical circuits."
http://www.newscientist.com/article/dn26591-contact-lenses-with-builtin-video-could-be-3d-printed.html
"The lens is a transparent polymer with several components embedded inside: nanoscale quantum dot light-emitting diodes, wiring made from silver nanoparticles, and organic polymers that could act as parts of electrical circuits."
http://www.newscientist.com/article/dn26591-contact-lenses-with-builtin-video-could-be-3d-printed.html
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