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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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21 dic 1897 anni - J.J Thompson
Descrizione:
Studied "canal rays" and found they were associated with the proton H +
J.J. Thomson determined the charge to mass ratio of electrons.
Aggiunto al nastro di tempo:
Nedo Matic Atomic timeline
By
Nedo MATIC
8 dic 2017
1
0
975
Data:
21 dic 1897 anni
Adesso
~ 127 years ago
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