Whether used in classroom presentations and business meetings or for entertainment purposes in a home theater, projector screens come in a variety of mounted, portable and pull-down styles. Most ...

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 ...

TVs are great and all, but if you want really epic entertainment, you need a projector. One-hundred-plus inches of high-definition awesomeness. Projectors, though, are a two-piece system. There's the ...