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1 Jan 1908 Jahr - Hans Geiger

Beschreibung:

Made a particle counter, which he eventually used to discover the alpha particle as a helium atom's nucleus.
(nbci.nlm.nih.gov)

Zugefügt zum Band der Zeit:

Chemistry Atomic Theory

14 Okt 2021

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Datum:

1 Jan 1908 Jahr

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~ 117 years ago

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