Licht, Waerme, Strahlen / Magnetismus, Elektrizitaet, Induktion / Daemonen und Geister

Licht, Waerme, Strahlen / Magnetismus, Elektrizitaet, Induktion / Daemonen und Geister

Radiant Minerals
Experimental demonstration, Phywe company, Göttingen

Henri Becquerel discovers in 1896 that uranium ore emits a previously unknown kind of radiation. In 1898, the Curies isolate a new element, radium, from uranium ore. The radium emits strong radiation. Thirty years later, Hans Geiger and Walther Müller invent a detector that allows particles of radioactive radiation to be heard and counted.

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