You don't need your phone to open a QR code. You probably already know how to scan a QR code with your phone. It's simple enough: just open the camera app, point your phone at the code, and tap ...

QR codes are surrounded by blank space, the quiet zone, to help the computer determine where the QR code begins and ends. QR codes can include an optional logo in the middle.

QR codes are a close cousin of the bar codes on product packaging that cashiers scan with infrared scanners to let the checkout computer know what products are being purchased.

QR code, short for Quick Response code, is a machine-readable code comprising an array of black-and-white squares. It essentially works like barcodes. However, they are not the same as barcodes ...

A recent update to Steam's code includes signs of an upcoming new login method: Scanning a QR code with the Steam mobile app. That's according to a tweet by SteamDB creator Pavel Djundik.

Bar codes store information along one axis, horizontally. QR codes store information in both vertical and horizontal axes, which allows them to hold significantly more data. That extra amount of ...

QR codes are a close cousin of the bar codes on product packaging that cashiers scan with infrared scanners to let the checkout computer know what products are being purchased.