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.

Leave the World Behind features a mysterious QR code that has proven to be hard to scan for many. But what does it lead to? Here’s all the information you need about the QR code in Leave the ...

QR codes are commonly used, so knowing how to scan one with your Samsung Phone can be helpful. Don't worry, though; it's pretty straightforward. This article explains how to scan a QR code on ...

The pandemic made using QR codes ubiquitous, but does our unquestioning willingness to scan them put us at risk of scams? Authorities think so. Wall Street Journal contributor Heidi Mitchell joins ...