QR codes, originally developed as two-dimensional matrix barcodes for rapid data acquisition, have undergone significant transformation and expansion in application. Their evolution from simple ...

Is it a printing error? A pixilated maze? One of those puzzles where you have to cross your eyes to see the hidden image? Two-dimensional matrix bar codes are expanding into the mainstream. You can ...

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.

QR codes are those funky two-dimensional bar code or matrix codes (pictured) that are starting to crop up on products, posters and places all over the physical world. These little bar codes are easily ...

Matrix codes are like bar codes on steroids. To the naked eye, they look deceptively like a series of dots in a rectangular pattern. They’re being used by Japanese companies to identify buildings, by ...

In a move befitting the digital world of The Matrix, Warner Bros. has kicked off a QR code contest that offers a chance to win a trip to the Canadian premiere of The Matrix Resurrections. Neo and ...