Operation «Helium»
Операция «Гелий»
1991-1993Ended1 season5 episodes
Created bySemyon Raytburt
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Overview
On the example of the history of the discovery of the "solar substance" Helium, the history of the most important discoveries in the field of physics and chemistry of the early XX century is given.
Seasons
Season 1
19915 episodes
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