You can scan a QR code using the camera on your smartphone, tablet, or computer — however, you may need to download an app.

“Yo, what’s your WiFi password?” It’s a question we’ve all asked, and answered, dozens of times. Happily, there appears to be a neat way around the issue, as an intrepid Reddit user recently made well ...

Recently [mit41301] wondered about increasing the data capacity of QR codes, and was able to successfully triple the number of bits using color. He chose the new rectangular micro QR code (rMQR) ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. You probably already know how to scan a QR code with your phone. It ...

As smartphones have become more and more ubiquitous, so have QR codes. These maze-looking squares are a type of matrix bar code that contains data — usually, QR codes point to a website or open a ...

Posts from this topic will be added to your daily email digest and your homepage feed. You don’t need an app for this —your phone can do it already. You don’t need an app for this —your phone can do ...