Examines the vocabulary and chemistry of magnetic- and optical-disk storage technologies as well as their applications to the analytical laboratory. This information will allow chemists to select the proper disk systems for their laboratories and to evaluate vendors' claims. (JN)

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)