Single-atom magnets store bits of data
Holmium-based technology could lead to smaller hard drives
![holmium atoms](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/03/031717_ec_singleatom.jpg?fit=860%2C460&ssl=1)
ATOMIC BIT Scientists stored data using individual atoms of holmium (shown above). Each 0 or 1 is encoded using the orientation of the atom’s magnetic field.
IBM