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.

QR codes are a technology that desperately wants our attention. They appear everywhere from supermarket shelves and magazines to hiking trails and ...

What Is a QR Code? How Does It Work? Let's start by asking what a QR code is. A quick response code (QR code) is a two-dimensional barcode that stores information in a pattern of black-and-white ...

When it comes to scan and go technology, there's perhaps nothing more ubiquitous than QR codes. These blotches of squares exist in almost everywhere. In a business setting, QR codes can be used ...

QR codes can communicate more data than barcodes. While complex automotive parts required a barcode on each individual component, a single QR code could list all the included parts, reducing the ...

Is there such a thing as animated QR codes? And could they work? Even those who may not know how exactly QR codes work have pretty much been exposed to them by now.

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 ...

Here's what happens when you scan one of those ubiquitous two-dimensional black-and-white patterns, and why the FTC urges you to use caution.