Traces the history of spacecraft from the first satellite to the space shuttle, describing rockets and moon landings, how satellites affect our lives, and the latest space probes which are sending back information about unknown stars and planets.
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.
Examines the use of tractors in agriculture, discussing the development and operation of tractors through the years, and how the machine has changed farming.