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.

The record-breaking nano QR code is 37% smaller than the previous record holder and invisible to optical microscopes. A research team at TU Wien and Cerabyte just shrunk the QR code to an impossible ...

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 this post, we will show you how to create real-time interactive flowcharts for your code using VS Code CodeVisualizer. CodeVisualizer is a free, open-source Visual Studio Code extension that ...

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 ...