Single atoms used to store information

Scientists have manage to use a single atom to store two bits of data, whereas today’s  technologies need at least 10,000 atoms to store one bit of information. Atoms of holmium (a metal in the lanthanide series) were used, and by flipping the atom’s magnetic orientation so that it aligned with or against the Earth’s magnetic field, it was able to switch a bit from 0 to 1.

 

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