We never really thought about it before, but a traditional barcode or QR code is pretty two dimensional. A 3D barcode sounds like marketing hype but the JAB (Just Another Barcode) system adds a third ...
A few years ago, Karla Monterroso was at an airport when she noticed a glitch in a computer monitor that would normally display flight information. Instead, the screen showed the text “Master/Slave,” ...
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