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Just how small can a QR code be? Small enough that it can only be recognized with an electron microscope. A research team at TU Wien, working together with the data storage technology company Cerabyte ...

A team of researchers at TU Wien recently announced that they have "etched" the smallest QR code ever on a ceramic film. Covering an area of ...

A customer scans a cafe's QR code for payment. Remember when we transitioned from calling it "surfing the internet" to "Googling"? It was one of those moments when technology became so ingrained in ...