Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Quick Response (QR) codes were popular before the COVID-19 pandemic ...

This story originally featured on Popular Science. Quick Response or QR codes were popular even before the coronavirus pandemic, but now they’re everywhere: from restaurant menus and tickets, to ...

QR codes — or "Quick Response" codes — are square-shaped barcodes that can be scanned by mobile devices. They are used for a variety of applications, from pulling up a restaurant menu to directing ...

Posts from this topic will be added to your daily email digest and your homepage feed. If you want to make it simple for someone to find a webpage, a QR code can help. If you want to make it simple ...

First invented for use in industrial applications in Japan in the early 1990s, QR codes were being widely used by consumers when smartphones with QR readers became more prevalent in the 2000s. After ...