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PERSONAL electronic devices tend to get ever smaller, which is great until they become so small that their screens are impossible to read. That problem could be solved by doing away with the screen, and instead projecting information into the user’s eye.
That’s the goal of and colleagues at the University of Washington in Seattle, who hit on the idea of generating images from within a contact lens. Parviz’s research involves embedding nanoscale and microscale electronic devices in materials like paper or plastic. He also happens to wear contact…
