Scientists have created a microscopic QR code so tiny it can only be seen with an electron microscope—smaller than most bacteria and now officially a world record. But this isn’t just about size; it’s ...

Peter Leventis was in a hurry and needed a Bike Share bike, fast. But the QR code he scanned to unlock the bike wouldn't work. So he tried scanning a different bike. Then another. That's when he ...

Steve first spotted the eye-catching stickers while walking to the shops in Burton upon Trent. Plastered on bins and lamp posts, they featured a shiny, green cannabis leaf with a QR code and the words ...