Ancient civilizations had hieroglyphics, we have QR codes: the patterned graphic boxes prompting you to access restaurant menus, pay for parking, find out information about a package and more.

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 ...

Among the many changes brought about by the pandemic is the widespread use of QR codes, graphical representations of digital data that can be printed and later scanned by a smartphone or other device, ...