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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.
As you probably know, we love our clocks here at Hackaday. Odd display technologies are always interesting to see, as are unusual encoding techniques such as binary, ternary or higher-radix number ...
QR codes, originally developed as two-dimensional matrix barcodes for rapid data acquisition, have undergone significant transformation and expansion in application. Their evolution from simple ...
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