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Saving Data with Light

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The world ‘s first fully light-based storage chip that can store data permanently was developed by materials scientists at the University of Oxford in collaboration with scientists in Exeter, as well as Karlsruhe and Münster in Germany. The chip built with materials used in rewritable CDs and DVDs could dramatically improve the data transfer speed in modern computers.

Today’ s computers are slowed down by the relatively slow data transfer between the processor and memory. “There is no point in installing faster processors when a kind of brake is in transferring information to and from the memory – the so-called Neumann bottle neck” , says Professor Harish Bhaskaran,

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