15x4 — Share Your Knowledge!
15х4 is a movement of young scientists and science fans.
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Anton Sharapov

15 minutes about the discovery of helium - Anton Sharapov

23.06.2017, Munich

The existence of a whole noble gases family remained undiscovered until the 1890s. How was it possible that first of them was found on the Sun before it was detected on the Earth? How did the imperceptible 0.1% discrepancy in the experiment help to crack the puzzle? Come and find out.

Language: English

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