QR codes are pixelated black and white squares that perform magic when we point the cameras on our phones at them—but what’s going on that makes this little spell possible? QR codes are akin ...

QR codes are just one of several kinds of 2-D bar code technology; Microsoft, for example, offers its own 2-D bar code technology, Microsoft Tag, which requires a mobile app to be read.

QR codes work with people who have smartphones with camera. What about people who do not have smartphones or people with smart phones that does not have the camera function?

Quick Response (QR) codes link consumers to websites fast. Here's how to use them, and why you'd want to.

QR codes are popular ways to scan menus, tickets, and apps. Here's how to do it from your Android phone or iPhone, and what the FCC says about it.

Health Secretary Matt Hancock said the new NHS Test and Trace QR codes will allow the public to “seamlessly” check in at venues and make contact tracing more “simple and easy”.

Your Android or iPhone can probably already scan QR codes. Here's how to do it no matter what phone you have.

Businesses across England and Wales are being encouraged to download NHS Test and Trace QR codes to prepare for the launch of an official contact tracing app. The app, which is currently being ...