This continuation of the previously published four part directory reports information on several additional laserdisk databases and provides updates on some of those included in the original listing. Included in the product descriptions are producers; compatibility; type of laserdisk; software; interface with magnetic media; conditions of usage;…

Seven experts in system planning offer their views on how optical disk systems will affect library participation in online networks, and discuss opportunities presented by these new products. (CLB)

Discusses three new advances in the use of optical disc technology in education. Describes the storage formats and capabilities of the videodisc, the compact disc, and the optical write-once disc. Contrasts the three technologies in terms of their production requirements, the hardware involved, and some projected applications in education. (TW)

This discussion of the use of images in learning processes focuses on recent developments in optical storage disc technology, particularly compact disc read-only (CD-ROM) and optical video discs. Interactive video systems and user interfaces are described, and applications in education and industry in the United Kingdom are reviewed. (Author/LRW)

Centers on the current interest of using CD-ROM for text retrieval. Describes the digital video interactive (DVI) system which integrates graphics, audio, and video images with text. Explores why CD-ROM use by scientists is limited. (MVL)