"In Time, Bill shows how humans measure time with the help of "Beverly Hills 90210" heartthrob Ian Ziering and comedienne Ellen Cleghorne. When he's not demonstrating how to make a water clock, Bill is explaining Einstein's Theory of Relativity"--Container.

Originally broadcast on the television program: Bill Nye, the science guy. Special features: Fully indexed "chapters" correlated to National Science Standards; interactive glossaries and quizzes; bonus footage of never-before-seen segments, interviews, and demos; on-disk implementation guide.