The expanded use of QR codes has been a convenience for some and an annoyance for many. Does anyone really want to scan one with their phones to read a restaurant menu? Lately they have become another ...

QR codes have become a convenience of modern life. Just scan the black and white mosaic with your phone’s camera and you can do everything from connect to your hotel room Wi-Fi to pay for that public ...

April 9, 2026: We looked for new Brawl Stars QR codes, the latest of which offers a free pentagram-theme spray. We looked for more creator and sushi codes, too, and also made sure all existing codes ...

A team of researchers has engineered the smallest QR code ever created, measuring just 1.98 square micrometers. Invisible without an electron microscope, this microscopic breakthrough could reshape ...

For those of us who weren't paying attention, over the last few years, scientists around the world have been one-upping each other in a bid to create the smallest QR code that can be reliably read.

Tiny details: QR codes are designed to efficiently and securely store digital data in a compact, two-dimensional form. Researchers at TU Wien took this principle further – delving into the microscopic ...

Just how small can a QR code be? Small enough that it can only be recognized with an electron microscope. A research team at TU Wien, working together with the data storage technology company Cerabyte ...

The Federal Bureau of Investigation has issued a warning about a growing cyber threat that turns everyday QR codes into spying tools. According to the bureau, a North Korean government-sponsored ...

The U.S. Federal Bureau of Investigation (FBI) on Thursday released an advisory warning of North Korean state-sponsored threat actors leveraging malicious QR codes in spear-phishing campaigns ...