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How Blu-ray Discs Work

Blu-ray data reading is performed with a blue laser and at high speeds.
Photo courtesy Blu-ray Disc Association

Say goodbye to DVD as the top-of-the-line digital storage format: It pales in comparison to Blu-ray. New blue-laser discs feature an unbelievable capacity of 27 to 50 GB -- that’s about five times what you can fit on a DVD. Learn about the techniques that make Blu-ray the next big thing in digital video storage and check out its competition.

Learn about How Blu-ray Discs Work.

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