Invisible to the Human Eye: Scientists Create the World’s Smallest QR Code

A 1.98-square-micrometer QR code, etched into ceramic thin film and verified by Guinness, showcases a new approach to ultra-dense, long-term data storage.

World's smallest QR code, read via electron microscope, earns Guinness recognition

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 ...
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Microscopic QR code sets world record with massive 2TB per page storage density

A research team at TU Wien and Cerabyte just shrunk the QR code to ...
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Viennese Researchers Make it into the Guinness Book of Records with QR Code

With the world’s smallest QR code, scientists from TU Wien, together with the Austrian-German startup Cerabyte, managed to secure an entry in the Guinness Book of Records. The QR code is smaller than ...