Most iPhone users know that their camera can scan QR codes with ease. What many don’t know is that your iPhone also has a dedicated QR code scanning app preinstalled. Let’s go over how to find and use ...

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 ...

Scientists created a tiny matrix that stores data by etching its grid into a thin ceramic film with a focused ion beam. When you purchase through links on our site, we may earn an affiliate commission ...

🛍️ Amazon Big Spring Sale: 100+ editor-approved deals worth buying right now 🛍️ By Andrew Paul Published Feb 27, 2026 5:03 PM EST Add Popular Science (opens in a new tab) Adding us as a Preferred ...

A 1.98-square-micrometer QR code, etched into ceramic thin film and verified by Guinness, showcases a new approach to ultra-dense, long-term data storage. How small can a QR code actually be?

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 ...

A research team at TU Wien and Cerabyte just shrunk the QR code to an impossible scale. Their creation measures only 1.98 square micrometers. This makes the code smaller than most bacteria. It is so ...

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 ...

A QR Code scan is like a raised hand in a crowded room. It’s voluntary, visible, and tells you exactly who’s interested. Compare that to website cookies, which are more like secretly following someone ...