Sponsored Ads are appearing with a new expandable call box that contains a brand's phone number as well as the QR code. Google Ads appears to be testing a new QR codes ad extensions. Scanning the QR ...

Working with data storage technology company Cerbyte, Mayrhofer and colleagues were especially interested in identifying a material durable enough to use repeatedly at an atomic level. The answer came ...

[Russ Cox], current Googler and formerly of Bell Labs, posted an awesome guide to putting images in a QR code. Unlike this terrible attempt I wrote last August, [Russ ...

Researchers at TU Wien have set a new world record. They developed the smallest QR code ever created and successfully read.

Researchers at TU Wien in Vienna have created a QR code so small it can only be read with an electron microscope. The code measures roughly 1.98 square micrometers, with individual pixels about 49 ...