15 ore 19 min, 14 magg 1899 anni - Ernest Rutherford
proved Dalton wrong
Descrizione:
Ernest Rutherford performed an experiment that separated radiation into three types, the alpha, beta and gamma, based on penetration of objects and ability to cause ionization. Rutherford described the alpha particles to have the lowest penetration of ordinary objects compared to beta and gamma particles.
Aggiunto al nastro di tempo:
Data:
15 ore 19 min, 14 magg 1899 anni
Adesso
~ 126 years ago