What does "BLU RAY" mean?

[JSantiago]

While i was looking for movie online to buy, there was blu ray, dvd ....... Actually i don't know what that mean..... Please help me

[JSModerator]

Know the nutritional requirements of your plants

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[SantiagoManager · Accepted solution]

Blu-ray Disc (BD) is a digital optical disc data storage format designed to supersede the DVD format, in that it is capable of storinghigh-definition video resolution (1080p).

[sdxadmin]

giga bit?  I hardly know it.

[SantiagoManager]

Conventional (pre-BD-XL) Blu-ray Discs contain 25 GB per layer, with dual layer discs (50 GB) being the industry standard for feature-length video discs.

[SantiagoManager]

The plastic disc is 120 mm in diameter and 1.2 mm thick, the same size asDVDs and CDs.