Device Captures Signatures and Fingerprints With Tiny LEDs, Georgia Institute of Technology Study  
8/12/2013 6:10:39 AM

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Researchers at the Georgia Institute of Technology want to put your signature up in lights -- tiny lights, that is. Using thousands of nanometer-scale wires, the researchers have developed a sensor device that converts mechanical pressure -- from a signature or a fingerprint -- directly into light signals that can be captured and processed optically.

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