But QR codes can also leave you vulnerable. That’s because scammers, organized criminal gangs, and shady nation-states are ...

Scientists created a tiny matrix that stores data by etching its grid into a thin ceramic film with a focused ion beam.

The smallest QR code in the world is so very tiny that your phone would need an electron microscope to scan it. The matrix ...

Working with data storage technology company Cerbyte, Mayrhofer and colleagues were especially interested in identifying a ...

These days, digital payments are happening everywhere, from Delhi to the streets. From one-rupee chocolates to larger items, ...

Walk past a shiny sticker on a wall, scan it quickly, and boom — a problem starts growing quietly inside a phone. QR codes ...

A 1.98-square-micrometer QR code, etched into ceramic thin film and verified by Guinness, showcases a new approach to ...