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17 Feb 1898 Jahr - Marie and Pierre Curie discover that thorium gives off "uranium rays," which Marie renames "radioactivity." Marie and Pierre Curie discover polonium and announce the existence of another new radioactive element they name radium. Paul Ulrich Villard

Beschreibung:

- discover that thorium gives off "uranium rays," which Marie renames "radioactivity."
- discover polonium and announce the existence of another new radioactive element they
name radium.
- discovers gamma rays.

Zugefügt zum Band der Zeit:

Radiation Timeline

ByJoshua Ha
8 Jun 2018
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Datum:

17 Feb 1898 Jahr
Jetzt
~ 127 years ago

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