The big part of the eye beyond the transparent portion would be used to place the electronics, preventing an obstruction of the vision - circuits are created by layers of metal the width of which amounts to a thousandth of human hair with a thickness estimated at some nanometers. A powder of electrical components was then sprinkled onto a flexible plastic sheet and capillary forces combined with the design of the electrical components in the powder being built to only connect one way constructs the components via self-assembly.
The application of such lenses would touch several domains. They would serve as simple tools to show data by piloting a plane or by driving an automobile or, such as described by the university researchers, would allow the soldiers to cross zones like if they were part of a video game. According to the professor Babak Parviz, associated in electrotechnics with the University of Washington, “Looking through a completed lens, you would see what the display is generating superimposed on the world outside. This is a very small step toward that goal, but I think it’s extremely promising.” [Source: Dailytech]
Michael Bertiaux [January 23, 2008]
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