A direct access storage device that is written and read by light. The most common types are CD, DVD and Blu-ray. As removable media, optical discs superseded the earlier magnetic disk cartridges ...

The scientists increased the capacity by leaps and bounds using an optical disc with a 3D planar recording architecture, which uses a highly transparent, uniform photoresist film doped with ...

Add Yahoo as a preferred source to see more of our stories on Google. Optical disc drive on a modern laptop computer. Scientists have developed a new type of optical disc that can increase information ...

Forward-looking: Despite consumer PCs and game consoles transitioning to faster SSDs, traditional disk drives (HDDs) continue to offer ever more space for cold storage at lower prices. One company ...

Optical discs like Blu-ray are losing favor, but Sony and Panasonic don’t seem to care. The companies have cranked up the storage capacity on optical media to a stunning 3.3TB. That’s a big advance in ...