From games and graphics to networks and virtual reality, computers are all around us. Today's computers can draw pictures, play games, send emails, and even land space probes on Mars. But that wasn't always the case. Find out how ancient abacuses evolved into today's supercomputers and learn about some of the great computer scientists who made it all possible. Computers will take you inside these incredible machines to discover how they work, and then help you get started coding your own programs.