In The Overhead Projector: Don’t Overlook It (Part 1), I explained why it’s better to use a projector (be it an old-fashioned overhead or LCD) than to write on the board. Now we turn to how to use a ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. CHICAGO — Before SMART boards and laptops, ...

Visible even next to lamps or sunlight. Vivid HDR at night. Up to 150-inch screen. ALR screen enhances picture quality. No overhead mounting necessary. Expensive. Picture quality still not great ...

LCD video projectors are rapidly becoming standard fixtures in many schools across the U.S. Teamed with a computer, DVD player or other media device, the LCD projector displays clear, high-resolution ...

Transparency paper or film is a type of thin plastic sheet. Photocopy or print on this paper to produce clear sheets for presentation booklets or transparencies for use on an overhead projector.