While they may not be the all-in-one solution some had envisioned, QR codes are still very popular. It’s easy to understand why, too — just point your camera or scanner at a QR code, and you’re ...

As smartphones have become more and more ubiquitous, so have QR codes. These maze-looking squares are a type of matrix bar code that contains data — usually, QR codes point to a website or open a ...

Engineers have taken the ordinary QR code and transformed it into a high-end cybersecurity application that can protect the integrity of computer chips using advanced optical imaging and photon-based ...

You can scan a QR code using the camera on your smartphone, tablet, or computer. Scanning QR codes lets you easily access websites, restaurant menus, videos, and more ...

Ralph Lauren has begun sewing labels with QR codes into all garments, giving each a unique QR code connected to a digital identity in the cloud. While the brand is using this technology to operate its ...

QR codes have become increasingly popular since the COVID-19 pandemic, which proliferated their usage in the form of paperless menus or bills. But with the convenience and efficiency of the scannable ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

QR codes are convenient but experts warn they can hide costly scams. What steps should you take before you scan? Tips on how to keep yourself secure. Could a QR code put your privacy at risk? You see ...

Your smartphone is full of surprises. There's an app if you want to use your phone as a magnifying glass or scanner. Tap or click here for hidden apps on your smartphone and how to find them.