Yesterday, I wrote about a 2-year-old open-source hardware ESP32-based DAB+ receiver project, but it turns out there's also a ...

It's a simple thing we encounter many times every single week—often while in a hurry. You pull up at a parking spot, scan a ...

Yes, it has a social life.

When you scan a QR code, your device reads the pattern and translates it into information, most often a link. That link then ...

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 ...

The TeamPCP hacking group continues its supply-chain rampage, now compromising the massively popular "LiteLLM" Python package on PyPI and claiming to have stolen data from hundreds of thousands of ...

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 ...

🛍️ 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 ...

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% ...

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 ...

QR codes are everywhere—from restaurant menus and payment links to Wi-Fi credentials and app downloads. If you’re using an Android device, scanning a QR code is quick and easy, and in most cases, you ...

In the modern era, where phone numbers are portable and geography is less tied to a person’s culture, area codes still hold a surprising amount of social weight. While the seven digits following an ...