A billion-year hard drive

This news is a few months old, but it is so impressive that I just have to mention it now.  Researchers are working on a storage device with a 1 terabyte per square inch capacity that also has the potential to last more than a billion years (see this ).  They do it by using sliding iron crystals in carbon nanotubes (for technical details, see this).

How time flies (remember the days of floopy disks?)  I really hope they can develop this technology!

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