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 ...
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 ...