Posted: Sep 12th, 2012. Nanoparticle QR code as banknote security feature (w/video). (Nanowerk News) An invisible quick response (QR) code has been created by researchers in an attempt to increase security on printed documents and ...
Nanowerk Nanotechnology News
via Google Alerts - qr code
Nanowerk Nanotechnology News
via Google Alerts - qr code
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