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 As removable media, optical discs superseded the earlier magnetic disk cartridges ...

Optical drives let your computer read and interact with discs like CDs, DVDs, and Blu-rays. While nearly every computer had them a few years ago, they're rare to see on new computers now. If you need ...

With a huge industry support behind blue-laser disc technology I would say this will become the next step in optical storage after DVD, compare 4.7GB and 9.2GB (DVDs) versus 20+ gigs of capacity for ...

CD-ROM - read only, the data is written to them before they are sold. CD-R - meaning CD-Recordable, the user can write data to the CD once or fill it over time using multi-session (writing to the same ...

Though the consumer tech world seems to be moving beyond optical media in favor of digital downloads, a few staunch supporters of the medium are still working hard on providing optical media with much ...

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 ...