ONE ATOM / BIT!
Though it only works in extreme cold, & has other restrictions that make its commercial use a long way off, this is still http://www.gizmag.com/memory-atoms-data-delft/44407/?utm_source=Gizmag+Subscribers&utm_campaign=9fdfb23fae-UA-2235360-4&utm_medium=email&utm_term=0_65b67362bd-9fdfb23fae-76704577


