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 ...

This lantern slide projector, also known as a magic lantern, was used by staff at Bloomington High School in the 1920s and 1930s.

LAS VEGAS--(BUSINESS WIRE)--Vivitek Corporation, a leading manufacturer of environmentally innovative visual display and presentation products, today introduces the company's first native 1080p ...