Invisible QR codes designed to thwart counterfeiters

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Along with the possibilities of fluorescing dyes and butterfly-wing-inspired printing techniques, there could soon be a new weapon in the fight against counterfeiting – invisible QR codes. Researchers at the University of South Dakota and South Dakota School of Mines and Technology have developed a process for applying such codes to glass, plastic film, and paper products such as bank notes... Continue Reading Invisible QR codes designed to thwart counterfeiters

Section: Good Thinking

Tags: Counterfeiting, Nanotechnology, QR code, Security, University of South Dakota

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