Pocket Projector

Credit: Fraunhofer Institute
Two German research groups have teamed up to develop a micro-thin spycam—what might be the next generation of portable video camera. The Fraunhofer Institute for Applied Optics and the Fraunhofer Institute for Silicate Research produced a 1-sq.-cm (0.15-sq.-in.), 3-mm-thick (0.1-in.) structured lens...

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