QR code

(Newser) - Engineers in Vienna have shrunk a working QR code down to a speck that's just 1.98 square micrometers across—small enough to require an electron microscope to read it, and also small enough to earn a place with Guinness World Records. Popular Science notes that the team at...

(Newser) - The FBI is sounding the alarm on a new scam straight from the "what could possibly go wrong?" file: unsolicited packages containing only a mysterious QR code. Once just an easy way to check menus or pay for takeout, QR codes have landed on the scammer's menu....