Rickard, Graham

Surveys different types of robots, the jobs they do, and the roles they may perform in the future.

Discusses how this common building material is made and used.

Describes how people live in space now and may in the future.

Examines how methods of punishment have changed through the ages, current methods of punishment such as fines and prison sentences, and likely future developments.

Examines the history, functions, and future of helicopters.

Explains how geothermal energy, natural heat from inside the earth, can be used as a source of heat or to provide electricity.

Describes the events and aftermath of the 1986 nuclear reactor explosion in Chernobyl and discusses its long term effects and the future implications for nuclear power plants.