You don't need your phone to open a QR code. You probably already know how to scan a QR code with your phone. It's simple enough: just open the camera app, point your phone at the code, and tap the ...

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 ...

Chances are you've seen a distinctive black-and-white square plastered somewhere on a menu, box, or subway station. These are QR codes. The initials stand for Quick Response, and these unmistakable ...