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NISKAYUNA — Scientists at GE Global Research announced today the development of a computer disc capable of holding 20 times the data contained on a Blu-ray disc, or 100 times the capacity of a regular DVD, a technological breakthrough expected to revolutionize optical storage technology.

“We have gone from surface storage to volume storage,” said Brian Lawrence, a research scientist who leads GE’s Holographic Storage program.

The discs can hold 500 gigabytes, equal to the capacity of 20 single-layer Blu-ray discs, 100 DVDs or the hard drive for a large desktop computer. A gigabyte is equal to 114 minutes of uncompressed CD-quality audio.

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“The day when you can store your entire high definition movie collection on one disc and support high resolution formats like 3-D television is closer than you think.”


Read more: http://www.dailygazette.com/news/2009/apr/27/0427_disc /