Engineers in Vienna have shrunk a working QR code down to a speck that's just 1.98 square micrometers across—small enough to ...

A 1.98-square-micrometer QR code, etched into ceramic thin film and verified by Guinness, showcases a new approach to ...

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Working with data storage technology company Cerbyte, Mayrhofer and colleagues were especially interested in identifying a ...

The smallest QR code in the world is so very tiny that your phone would need an electron microscope to scan it. The matrix ...