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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 ...

You don't happen to have a microscopic phone camera yet, do you?

For those of us who weren't paying attention, over the last few years, scientists around the world have been one-upping each other in a bid to create the smallest QR code that can be reliably read.

Just how small can a QR code be? Small enough that it can only be recognized with an electron microscope. A research team at TU Wien, working together with the data storage technology company Cerabyte ...

Historically, QR codes were used for temporary promotions. Today, they are embedded into signage designed to remain in place for years. In sectors such as property, retail, hospitality, education, and ...

Remember when we transitioned from calling it "surfing the internet" to "Googling"? It was one of those moments when technology became so ingrained in our lives that it became a verb. "QR-ing" may be ...

QR codes have been with us for a long time now, and after passing through their Gardenesque hype cycle of inappropriate usage, have now settled down to be an important and ubiquitous part of life. If ...