There have been a number of advances in the technology of optical discs in recent years, most notably the development of Blu-ray discs. But even as Blu-ray has been enjoying increasing popularity, a new type of optical disc has been quietly gaining ground: the high density DVD.
What is a high density DVD?
High density DVDs are discs that can store more data than the traditional DVD format. They are also sometimes referred to as DVD Plus or Super DVD.
How does a high density DVD work?
Traditional DVDs store data on a single layer that is about 0.6mm thick. …