Researchers at TU Wien in Vienna have created a QR code so small it can only be read with an electron microscope. The code measures roughly 1.98 square micrometers, with individual pixels about 49 ...
Unsolicited packages, often containing cheap, low-value items, could be a sign of a scam known as 'brushing' and potential identity theft.
A research team at TU Wien and Cerabyte just shrunk the QR code to ...