Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Quick Response (QR) codes were popular before the COVID-19 ...

What is a QR code? A QR code (short for Quick Response code) is a two-dimensional barcode that can be read by your smartphone camera. QR codes provide quick access to product information, promotions ...

Your smartphone is full of surprises. There’s an app if you want to use your phone as a magnifying glass or scanner. Tap or click here for hidden apps on your smartphone and how to find them.

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The pandemic and our desire to minimize contact with objects and ...

The sign on the post at the pizza joint in Detroit had just one word on it, "Dog," and a QR code. My first reaction − and unfortunately this is how it goes when you write a little too much about fraud ...

Your smartphone is full of surprises. There's an app if you want to use your phone as a magnifying glass or scanner. Tap or click here for hidden apps on your smartphone and how to find them.

With contactless interactions more common than ever, there is more of a need to read a QR code than ever. Here's how to read QR codes using your iPhone, iPad, or iPod touch. A QR code is a type of two ...

Two-dimensional barcodes called Quick Response codes, or QR codes for short, are used to store data that devices can read. While QR codes are popularly scanned via smartphones, what if you want to ...

Your smartphone is full of surprises. There's an app if you want to use your phone as a magnifying glass or scanner. Tap or click here for hidden apps on your smartphone and how to find them.