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1 janv. 1897 - Robert Milikan

Description:

Robert Millikan, an American chemist who lived from 1868 to 1953, measured the charge and mass of electrons via his Oil Drop Experiment, where he observed tiny drops of electrically charged oil.

Ajouté au bande de temps:

Date:

1 janv. 1897
Maintenaint
~ Il y a 128 ans