A 1.98-square-micrometer QR code, etched into ceramic thin film and verified by Guinness, showcases a new approach to ...
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 ...
Researchers set a Guinness record with a tiny QR code, exploring ceramics for long-lasting, zero-energy digital data storage.
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