Quite interesting, indeed. I remember learning about it in school last year, but we barely mentioned it.
Here is the Wikipedia article of it with some additional information.
Don't get your hopes up for this being released in the near future. Disks will prevail on most computers as long as they have higher capacity, but this... or something similar is the future.
But at the speed technology is advancing, someone will find a way to bring it to market sooner rather than later.........and cash in bigtime on it in the process!