Learn about Blu-ray Disc optical media, which can store up to 128 GB of data on a single disc.
A technical definition of Blu-ray
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This is a Blu-ray High Definition disk of the documentary film Engineering Tragedy: The Ashtabula Train Disaster produced by Beaon Productions and
Blu-ray Disk High Definition (You Need A Blu-Ray Player) | engineering-trag-2
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Blu-Ray - Tech-FAQ
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What Is Blu-ray?