Green screens are used to add backgrounds to your favorite movies and TV shows, but why are they green? Here's an explanation ...

For the green screen effect, studios could actually use specialized optical filters. They could apply one filter that would ignore a specific wavelength of the color green. Then they could film ...

(1) For superimposing images onto a background, see color key. (2 ... the character-based green screen gave way to the graphics-based interfaces of Windows and Mac. THIS DEFINITION IS FOR PERSONAL ...

But what if you have limited space? [Fred Emmott] had about 30 inches behind his desk to work with, and shares what it took to make a green screen work reliably in a limited space. Even (and ...