Tomorrow's world

Explains that the natural world is near a crisis-point and suggests what measures are needed to preserve our environment.

Describes the advances in medicine and medical machines, the use of lasers and computers in medicine, and the continued battle against disease.

Describes ways computers have changed everyday life.

Surveys achievements in space exploration since the launching of Sputnik in 1957, including how satellites transmit information from space, the activities of space probes such as Voyager, and the future possibilities of establishing permanent space stations.

Discusses technological advances in home construction, transportation, communications, and energy development and forecasts developments for the future.

Describes advances in telecommunications over the past two hundred years, including recent developments in digital electronics, optical transmissions, communications satellites, and cable television.

Discusses future developments in transport technology.