Optical discs are the state of the art in computer memory and storage, using lasers to record and retrieve information. Like magnetic discs, they can store many different kinds of information--sound, text, and pictures (both still and animated)--on the...

A permanent, usually removable, data storage device that uses a laser to read and write the information it contains. These devices are not subject to erasure when exposed to a magnetic...

In computing, sound reproduction, and video, an optical disc is a flat, circular, usually polycarbonate disc where data is stored in the form of pits (or bumps) within a flat surface, usually along a single spiral groove that covers the entire recorded...

A new polycarbonate resin provides the improved molding and better pit replication required for the high-density optical-disc formats now under development. Since its introduction in 1982, the optical-data disc has rapidly become the storage medium of choice. This is due to its...

Standard protocol Majority of specialists adhere to practice, but non-specialists need to catch up Durham, NC-While there is widespread agreement on the importance of optic disc examination in the care of glaucoma patients, studies suggest there is considerable opportunity for improvement in...

Malaysia gave a hero's send-off Monday to Lucky and Flo, honoring the two DVD-sniffing dogs with medals as they ended a six-month assignment that netted 1.6 million illegal movie discs.The two black Labradors looked puzzled when a multitude of press photographers' flash bulbs went off...

If it were a movie sequel, they would call it The DVD Dogs II.Malaysia will get two new sniffer dogs to unearth pirated DVDs after the resounding success of their predecessors Lucky and Flo earlier this year, an official said Wednesday.Paddy and Manny, who are...