Invisible QR Codes With Nanoparticles Combat Counterfeiting

      Grab your lasers because invisible QR codes are coming to town.    According to an article just published by the IOP (Institute of Physics) in the latest edition of Nanotechnology, researchers have figured out how to create an invisible QR code out of nanoparticles and to place that QRcode on any solid object, including a banknote.  The QR code can be read with a laser using the right frequencies.

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(The Barcode News would like to thank Michael Goes for bringing this to our attention).

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