This report describes the videotex system, which allows access by the general public to large computer-based information sources, which contain pages of information to be displayed on suitably supplemented television receivers or newly designed videotex terminals. Some problems in introducing a videotex system suitable for today's technology which…

Describes the design of a microcomputer-based system at the University of Ottawa which provides teachers with the capabilities of computerized slides and transparencies. The slides are texts created with word processors which are presented to the class via a large screen video projector, and software provides regular overhead projector functions.…

The role of the British Broadcasting Corporation (BBC) in supplying television educators with teacher aids, models, and devices is described in this report, which emphasizes the work of special effects or visual effects technicians and explains how difficult concepts and principles can be demonstrated through the use of three-dimensional models,…