World's smallest QR code, smaller than bacteria, could store data for centuries

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Scientists have fabricated the world's smallest QR code, smaller than bacteria and visible only under an electron microscope. By engraving data into ultra‑stable ceramic, the code promises centuries‑long, power‑free storage, setting a new durability benchmark.
29/03 08:07 sciencedaily.com
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29/03 16:39 x.com
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