Operation «Helium»
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.
Created By
Status
Ended
Original Name
Операция «Гелий»
First Air Date
January 1, 1991
Last Air Date
January 1, 1993
Seasons
1
Episodes
5
Language
Russian