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 ...

A boxy PJ with extensive chrome (well, mirrored plastic) grillwork and ultrabright lasers offers an alternative to traditional designs.

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To really put the “theater” in your home theater, there’s nothing quite like a projector capable of beaming a big, bright movie or big sporting event on your wall, effectively turning your living room ...