Provides list of mineralogy, petrology, and geochemistry computer programs. Each entry includes a brief description, program name and language, availability of program listing, and source and/or reference. (JN)

Describes the state-of-the-art in computer interfacing in the biology laboratory. Discusses hardware and software. Enumerates the educational benefits from instrumentation such as cost effectiveness and increased student opportunity and motivation. Includes 14 references. (CW)

Information technology will be an important influence in education in the future. This article discusses the use of instructional technology for science teaching and considers the impact of technology on what is taught and how science is taught. (Author/CW)

Described is the construction of a simple analog-to-digital convertor circuit to interface an Apple II+ microcomputer to a light sensor used in conjunction with a holographic gear inspector. A list of parts, circuit diagram, and a simple BASIC program for the convertor are provided. (CW)