You’ve scanned them on menus, packages, tickets, and more — but how do QR codes actually work? In this video, we break down the technology behind those mysterious black-and-white squares. Learn how QR ...

Those little black and white squares everywhere were created by a Japanese engineer who found inspiration in the most UN ...

Recently [mit41301] wondered about increasing the data capacity of QR codes, and was able to successfully triple the number of bits using color. He chose the new rectangular micro QR code (rMQR ...