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jan 1, 1903 - Marie Curie discovers "radium, a new element which spontaneously disintegrated into other elements. This proved that the atoms of one element at least were not indivisible"
Added to timeline:
A Timeline of the Atomic HIstory
By
Josie Ann
24 Oct 2017
1
0
1113
Date:
jan 1, 1903
Now
~ 123 years ago
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