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Tag Archives: computer memory

Updated: 500 terabytes of data on a CD, almost

Optica UofSoton data in glass

The University of Southampton is storing data onto glass at a density that would squeeze 500Tbyte onto a substrate the size of a CD. Data is written as miniature shapes through the bulk of silica glass using the three spatial dimensions. The shapes have two separate optical characteristics – adding two more dimensions – making this so-called five-dimensional (‘5d’) data storage. ...

Electronics patent of the month: Secure storage on memory sticks

It's hard to hear the phrases, "Your mission, should you decide to accept it" or "this tape will self-destruct in five seconds" without bringing to mind Tom Cruise as Ethan Hunt (or for the older readers, Dan Briggs or Jim Phelps) of the Mission: Impossible series. Since the dawn of time, man has developed ingenious ways of sending secret messages around the globe and cryptography has come along way since the Atbash and Julius Caesar's cipher.