Described is a project that involved undergraduate geography students in developing a model of the accessibility of the pre-school population in Cardiff (England) to child care clinics. Programing skills were acquired through spatial modelling. Networks of mini- and micro-computers were used. (Author/RM)

Virtual reality (VR) is a new computational paradigm that redefines the interface between human and computer. VR may result in a significant improvement over traditional instruction because it is not only a multimedia interactive tool but also a learning environment extremely close to reality. Few empirical studies have been done on the use of VR…

This discussion of teaching science as a design activity emphasizes open-ended problem solving. Highlights include the relationship between teachers and students; hypotheses as solutions; and descriptions of four microworlds, or computer simulations, in chemistry, geography, physiology, and genetics which use graphic interfaces. (LRW)