The Relative Size Of Your Insignificance

Powers Of Ten …explores the relative size of things from the microscopic to the cosmic. The 1977 film travels from an aerial view of a man in a Chicago park to the outer limits of the universe directly above him and back down into the microscopic world contained in the man’s hand. The Powers Of Ten website describes the film’s history; and don’t forget to mark October 10, 2006 on

Swing Batter Swing Batter Swing!

Science of Baseball: Fastball Reaction Time… imitates a 90-mph fastball thrown by a major league pitcher. While this exhibit doesn’t test if you could actually hit a fastball, it does test whether you could react in time to hit one. When you see the “swing batter” screen, a signal in your eye sends a message to a part of your brain that controls your muscles. Your brain must then send