A look at the science that makes the picture tube work, a view inside a TV studio, and a discussion of how television signals are sent to homes everywhere.
Introduces the world of computers, discussing such areas as computer code, games and simulations, getting on the information superhighway, and the use of computers in the space program.
Explains how radio works, discussing the different kinds of air waves, how a radio signal gets into your radio, and how remote control signals, beepers, CBs, and walkie-talkies work.
