A CONSORTIUM OF COMPANIES has started to license production technology for Blu-Ray in the hope of stealing a march on competitors. The new discs have enough capacity to hold 13 hours of video.
The discs hold up to 27 gigabytes on a layer that is similar to the way that DVDs work but the new drives will use a blue laser to read the discs. Current DVD players use a red laser. Blue lasers have a shorter wavelength allowing them to focus on a smaller area which in turn means that more information can be crammed onto a disc.
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