Wired Head

Holographic Dics to Store 20 Times More Than Blu-Ray

Blu-ray technology out-does DVD for one reason only: the discs store more information, so you can fit a higher-resolution movie file in the same physical space. That's a great thing now everyone and their dog has an HDTV. But a new disc material will allow ridiculous amounts of information--perhaps 20 times as much--to be stored on a disc, holographically.