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 you encounter Access denied, 0x80090010, NTE_PERM Windows Hello error while enrolling certification in Windows 11/10, follow these solutions.

NFC tags are so useful and customizable, and it's quite simple to make your own. Here's what you can do with it and how.

Engineers in Silicon Valley have been raving about Anthropic’s AI coding tool, Claude Code, for months. But recently, the buzz feels as if it’s reached a fever pitch. Earlier this week, I sat down ...

The North Korean state-sponsored hacker group Kimsuki is using malicious QR codes in spearphishing campaigns that target U.S. organizations, the Federal Bureau of Investigation warns in a flash alert.

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 ...

Airlines can use QR Codes in confirmation emails and app messages for quick seat upgrades, baggage add-ons, or insurance purchases. Hotels can use them in pre-arrival messages so guests can choose ...

In a hotel lobby, two QR Codes promote the same thing: a 10% discount on the breakfast buffet. One sits at eye level beside the elevator buttons, right where guests wait with their phones in hand. The ...