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.
Operation «Helium» was released in 1993.
Operation «Helium» has a runtime of 1h 31min.
Operation «Helium» stars Nikolai Mamuna, Yevgeniy Burmistrov, Kirill Vats, Gennady Nikiforov and Alexis Avanesoff.
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