Today, you can use Google Messages for web using QR code pairing or Google Account sign-in. The original login method will soon go away. Opening messages.google.com ...

Sri Lanka on Sunday (March 15, 2026) switched to a digital QR code-based system to ration fuel sales, a move authorities described as a “precautionary measure” amid persisting uncertainty in West Asia ...

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 ...

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.

Researchers at TU Wien and Cerabyte created the world’s smallest QR code, measuring just 1.98 square micrometers. The record has been officially verified by Guinness World Records, making it 37% ...

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 ...

If WhatsApp Web isn’t working, you’re usually dealing with one of a handful of common issues – a QR code that won’t scan, a browser problem, a connection error, or WhatsApp logging you out ...

Quishing is proving effective, too, with millions of people unknowingly opening malicious websites. In fact, 73% of Americans admit to scanning QR codes without checking if the source is legitimate.