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

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

A QR Code scan is like a raised hand in a crowded room. It's voluntary, visible, and tells you exactly who's interested. Compare that to website cookies, which are more like secretly following someone ...

Engineers in Vienna have shrunk a working QR code down to a speck that's just 1.98 square micrometers across—small enough to ...