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14 magg 1903 anni - Marie and Pierre Curie

Descrizione:

They discovered two new spontaneously radiating elements, which they named polonium and radium. A third element, actinium, was discovered by their colleague Andre Debierne.

Aggiunto al nastro di tempo:

27 set 2018
0
0
420

Data:

14 magg 1903 anni
Adesso
~ 122 years ago