1 gen 1930 anni - Predicts the Existence of Positrons
Descrizione:
In 1930, Robert Oppenheimer published a paper predicting the existence of positrons. Positrons are the opposites of electrons; they have the same mass, but a positive charge.Aggiunto al nastro di tempo:
Data:
1 gen 1930 anni
Adesso
~ 95 years ago