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World's smallest QR code can store data for thousands of years — but you need an electron microscope to see it
Scientists created a tiny matrix that stores data by etching its grid into a thin ceramic film with a focused ion beam.
TU Wien has been working with the Munich-based company Cerabyte for some time to develop a new long-term archiving technology: writing information onto a coated glass disc. In the lab, researchers use ...
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