Microcomputer-based laboratories (MBLs) refer to a laboratory where a microcomputer gathers and displays data directly from the environment. Program listings for a response timer (using game paddles) to illustrate the nature of MBLs are presented. (JN)

Describes a method for making a simple, inexpensive apparatus which can be used to determine Planck's constant. Provides illustrations of a circuit diagram using one or more light-emitting diodes and a BASIC computer program for simplifying calculations. (RT)

Reviews several computer software programs appropriate for educational use. Includes reviews of a graphic environmental operating system, a writers workshop, an exploration of an artificial intelligence program, and a microcomputer based laboratory (MBL) package. Provides information on hardware, grade level, purchasing, and strengths and…