Discusses the history of the Soviet Union, from the revolution of 1917, through the Lenin and Stalin eras and the rule of such leaders as Khrushchev, Brezhnev, and Gorbachev, up to the formal dissolution of the Soviet Union in 1991.
Traces the history of the railroad, examining transportation before trains, introducing the inventors of the locomotive and railroad, discussing the railroad era, and including a look at railroads of the future.
Describes the invention of the light bulb, looks at lighting before electricity, introduces Thomas Edison, the creator of the light bulb, and discusses the impact of the invention on the world.
