The new Blue Ray format was developed to enable recording, rewriting and playback of high-definition video as well as storing large amounts of data. The format offers more than five times the storage capacity of traditional DVDs and can hold up to 25GB on a single layer disc and 50GB on a dual-layer disc.
The new format uses a blue violet laser which makes it possible to focus the laser spot with even greater precision. This allows data to be packed more tightly and stored in less space.
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