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Color-Coded Microparticles Could Thwart Counterfeiters
Counterfeiters beware: scientists have developed a new microscopic barcode that can be embedded into currency, credit cards, and industrial packaging. The striped microparticles are invisible to the naked eye, and only reveal their color-coded bands when excited by near-infrared light. The tiny codes can be read under a microscope, or even with a modified smartphone, with error rates of less than one in 1 billion.
Counterfeiters beware: scientists have developed a new microscopic barcode that can be embedded into currency, credit cards, and industrial packaging. The striped microparticles are invisible to the naked eye, and only reveal their color-coded bands when excited by near-infrared light. The tiny codes can be read under a microscope, or even with a modified smartphone, with error rates of less than one in 1 billion.
Source: Wired
Posted on: Friday, Apr 25, 2014, 9:07am
Views: 1176
Posted on: Friday, Apr 25, 2014, 9:07am
Views: 1176
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