QR stands for Quick Response Code. It works much like a bar code, but it's more complex and gives more information.

This rectangular-shaped QR code is designed to be used on narrow spaces, with an aspect ratio similar to that of a traditional 1D bar code.

Appliance Science looks into the hidden meaning behind the bar code.

Pioneering engineer Paul McEnroe, who led IBM's team that developed the Universal Product Code, weighs in on the rise of generative artificial intelligence.

That old grocery-store standby, the bar code on every mop, magazine, and Mars bar, celebrated its 30th birthday this year. Considering the drastic advances in computing since 1974, it should come ...

Audie Cornish and Robert Siegel remember Norman Joseph Woodland, an inventor of the bar code. He died Sunday at the age of 91.