When an actor dangles over an incredibly deep river gorge, blue screen photography is what makes it look real. Find out how the blue screen technique works and why it's so ...

When you sit down in a movie theater, the screen is the center of attention. But have you ever walked up close and looked at it? Discover the intricacies of a movie screen and ...

Computer Screens and Monitors explains the workings of different types of computer monitors. Check out our Computer Screens and Monitors Channel.

A color TV screen has red, green, and blue beams that combine to create all the colors on your TV. Learn how color TV works.

The video screens at sporting events and concerts are almost like your TV -- except that they're GIGANTIC! Learn about the technology that makes these 30-foot displays possible.