Overhead projectors use a bright lamp and mirrors to display text or images from a transparency sheet on a wall or screen. If your projector displays a shadow when projecting, you must troubleshoot ...

Whether you give presentations for a living or attend them only at seminars, you've probably sat through hours of digital slides and scenarios, overhead-projector transparencies and bullet points.

PLAINVIEW, Texas (KCBD) - Remember the days of overhead projectors? They were in every classroom. Wayland Baptist University saved all of those clear, plastic sheets, also known as transparencies. It ...

WATERLOO, Iowa (KWWL) -- During times of uncertainty, Iowans are stepping up to help others in need. Many people are making life-saving equipment for workers on the front lines. Ty Bellfy is a student ...

On the third floor of Folsom Stadium in a sparsely furnished storage room, 100 or so clunky gray boxes with glass tops sit on the floor, some haphazardly stacked on top of each other. This is where ...

Apparently, there’s some sort of sporting event being televised this weekend that has been historically used as an excuse to buy a big-screen TV. [Joel] wanted a huge-screen TV on the cheap, so he ...