It’s Good to Know: The Holographic DVD
A new type of digital storage – based on holographic technology – will make it possible to store up to 110 DVDs, or a total of 1 terabyte of any sort of digital file, on a single disk. Instead of storing data just on the top reflective layer of the disk, as ordinary disks do, a holographic disk stores information in several layers as a 3-D image.
(Source: Discover Magazine)

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