Memory disk made from sapphire could last a million years
We live in an unprecedented age of information. The problem is that more and more of it lives in a digital form, which in many ways is as fragile as the scrolls in the Library of Alexandria at the hands of Julius Caesar. But if we could store our data in rock like our ancient ancestors, that would be something. Behold, the sapphire data disk that could store our information for a million years.









