The smallest QR code in the world is so very tiny that your phone would need an electron microscope to scan it. The matrix ...
Newser on MSN
This QR code just broke a world record
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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