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 ...
Credit cards embedded chips, national mints printed watermarks, and high-profile locations installed retina scanners all for the same reason—to protect information. As attackers grow smarter, so must ...
Add Yahoo as a preferred source to see more of our stories on Google. QR codes are visual patterns that store data smartphones can read. AP Photo/Vincent Yu Among the many changes brought about by the ...
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