Blu ray disc system uses a blue violet laser .The wave length is less so the CD can hold more data than the conventional DVDs or CDs. The blu ray disc puts the information closer to the surface so it is not susceptible to contamination or scratches like the older CDs. It also has a protective material on the disc. These discs do not need protective covering or jackets.
Corporations supporting Blu Ray technology are Hewitt-Packard, Apple Inc, Dell and Panasonic. Blu Ray disc was developed by Sony in 2002 as a next generation data and video storage formal alternative to DVD. Sony is shipping 50GB dual layer Blu ray disc media in the US. Later this year Sony plans to have 50GB dual layer rewritable disc.
Formatting has always been a problem for the user even the View the rest of this article
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