THE SCIENCE AND CRAFT OF MOVING IMAGES.

• Position: Brief Article

Would you like actors Robert De Niro, Lauren Bacall, or even Babe the pig to talk in your voice for a change? An exhibition at the Exploratorium, San Francisco, Calif., allows you to dub your voice into their movies. You can even be Dorothy and tell Toto you're not in Kansas anymore. Want to work behind the scenes, animate your own short film, or substitute an elephant's call for the sound of chewing gum or breaking glass for that of a shooting gun? You can play with sound effects, dialogue, movie music, makeup, and computer animation as part of "Behind the Screen: Making Motion Pictures and Television."

Borrowed from New York's American Museum of the Moving Image--the nation's largest and most comprehensive holdings of moving image artifacts--the exhibition offers an environment that explores the science and craft of moving images and their production. Beginning with basic science--from how sound is recorded to how the brain...