Fiction Dvd

HVD: Holographic Versatile Disc

The invention of optical media is one of the most important events in modern technologies simply because from the amount of info that could be stored. Moreover, the discs themselves can last anywhere from twenty years to over a person hundred, depending on the format (CD-R, DVD+R, etc.) and manufacturer. New technologies are being researched, on the other hand, that must soon supplant current formats – and two from the three most exciting ones involve the use of exotica like holograms and even biological material!

Known as HVD for Holographic Versatile Disc, this format has a demonstrated capacity of 5 terabytes. Sadly, the 1st devices capable of playing them back are expected to cost tens of thousands of dollars, having a single disc running anyplace between just more than a hundred to just under 3 hundred dollars.

Even far more intriguing, analysis scientists are developing discs coated with light-sensitive protein created from a genetically altered microbe, in theory allowing up to fifty terabytes of storage on a single disc! Information density on these protein-coated discs would be incredibly dense as such biological material is only several nanometers wide.

However, this analysis has been going on for virtually half a decade now and no further news appears imminent; it looks likely that work is foundering on figuring out a procedure to address individual protein molecules for read/write purposes. Furthermore, a new way to focus the laser most likely also requirements being developed.

A a lot more right away promising technology is the rather much more prosaic 5D-DVD, so named because in the five information layers involved. This technique would seem capable of delivering ten terabytes of info, and because its encoding system is very similar to that currently in use, players for it should also be backwards-compatible with today’s discs. 5D-DVD is hoped being commercially ready in about an additional 5 to ten years’ time.

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