Audio-Visual aids in business communication and training help in numerous ways. They can make complex pieces of information easier to understand. They let viewers see products, rather than having ...

As with a lot of classroom tech, overhead projectors declined in use as more high-tech options for classroom visual aids became available. In the 1980s, data projectors that could be connected to a TV ...

THE Journal: K-12 Education TechnologyLCD Projectors Aid Presentation in "Courtroom of the Future" 01/01/96 When Professor Winton Woods of the Tucson-based University of Arizona's College of Law heard ...