General Electric holographic disc
Encyclopedia
General Electric
General Electric
General Electric Company , or GE, is an American multinational conglomerate corporation incorporated in Schenectady, New York and headquartered in Fairfield, Connecticut, United States...

 Global Research Centers have created a new format of disc, dubbed the holographic disc
Holographic Versatile Disc
The Holographic Versatile Disc is an optical disc technology developed between April 2004 and mid-2008 that can store up to several terabytes of data on an optical disc the same size as a CD, DVD or Blu-ray disc. It employs a technique known as collinear holography, whereby a green and red laser...

. It has the same physical dimensions as CDs, DVDs or Blu-ray Discs, yet can hold many times the data – up to 500 GB
Gigabyte
The gigabyte is a multiple of the unit byte for digital information storage. The prefix giga means 109 in the International System of Units , therefore 1 gigabyte is...

. General Electric has been working on their HVD for six years, and it is planned to be released into the commercial market sometime in the next four years. As the technology is quite similar to CD, DVD, and Blu-ray technologies, the players are also similar – GE states a HVD player will also be able to play the other formats of discs.
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