Operation «Helium»

1 Season
5 Episode

Operation «Helium» - Season 1 ()

Watch Operation «Helium» - Season 1 Full Episodes Online Free Streamings FMovies. 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.


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18 minutes 1993 HD

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