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.

Educators have been using projectors to integrate technology into classrooms since the late 1800s, and today’s projectors maintain the same basic purpose: transmitting images onto a surface. But ...

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 ...