What does optical disc actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

The final result is an optical disk with a three-dimensional stack of data layers capable of holding a whopping 1 petabit (Pb) of information—that’s equivalent to 125,000 gigabytes of data.

Want your data to outlive you by a few centuries? M-Disc optical media, with its super-stable data layer, is what you're looking for.

TOKYO — Trying to bridge the gap between next-generation optical disk formats, Ricoh said it has developed an optical component that reads and writes all disk formats—Blu-ray Disc and HD-DVD, as well ...

Tech News Meet the Super DVD: Scientists Develop Massive 1 Petabit Optical Disk Kiss your storage woes behind thanks to a new technique that houses data in 3D.

SHANGHAI, Feb. 22 (Xinhua) -- A three-dimensional nanoscale optical disk memory with petabit capacity has been developed at the Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of ...

New technology developed by Chinese scientists delivers 4,000 times as much data density as a Blu-ray disc.

Use this video–Part 6 of our series, tied to the article, “ DIY: How to Build a Great Media-Editing PC “–to learn how to safely install optical drives and hard disks.

Apple ‘s killing the optical disk format, bit by bit–just as we suspected. When the computer maker refreshed its computer offerings this morning it hammered another solid nail into the DVD’s ...