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 ...
People now prefer mobile payments over cash. Scanning a QR code is a quick way to make payments at shops, restaurants, petrol ...