Just when you thought that the 50GB storage you get from dual layer Blu-ray discs were overkill, wait until you get your hands on GE's (General Electric) latest holographic discs. Two years ago, GE announced that it was developing a prototype form of storage that could store up to 500GB of data. And it looks like the company has managed to accomplish what it started. Here's an explanation of how the disc works:
The disc is a polycarbonate material with millions of the micro-holograms stamped onto the disc.
Ubergizmo, GE develops discs that store 500GB of data
