Looks at how energy is used; shows how fossil fuels are harvested and used in power stations to produce electricity; studies ways of producing electricity from alternative sources; and considers ways to save energy.
Discusses the history and development of man-made satellites, from the launch of Sputnik 1 to the current use of satellites for communication, navigation, weather forecasting, and military purposes.
Provides information about space probes, rockets and spaceshuttles, telescopes, astronaut training, and other aspects of space exploration, and offers predictions on where new developments might lead in the twenty-first century.
