Overview: Modern medicine, atomic energy, computers, and new concepts of time, energy, and matter all have an important effect on life in the 20th century.
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First Air Date: Jan 01, 1989Last Air date: Jan 01, 1989Season: 1 SeasonEpisode: 52 EpisodeRuntime: 27 minutesQuality: HDIMDb: 0.00 / 10 by 0 usersPopularity: 1.156Language: English