Elementary charge is . Robert A. Millikan's oil drop experiment first measured the magnitude of the elementary charge in 1909. In some natural unit systems, such as the system of atomic units, "e" functions as the unit of electric charge, that is "e" is equal to 1 e in those unit systems. The use of elementary charge as a unit was promoted by George Johnstone Stoney in 1874 for the first system of natural units, called Stoney units. Later, he proposed the name "electron" for this unit. At the time, the particle we now call the electron was not yet discovered and
Angus (given name) Angus (given name) Angus is a masculine given name in English. It is an Anglicised form of the Irish and Scottish Gaelic "Aonghas", which is composed of Celtic elements meaning "one", and "choice". A variant spelling of the Scottish Gaelic name is "Aonghus". The Irish form of the Scottish Gaelic name is "Aengus". A pet form of the given name "Angus" is "Angie", pronounced ""an-ghee"", which represents the Scottish Gaelic "Angaidh". A short form of the given name "Angus" is "Gus", which may be lengthened to "Gussie". The feminine form of "Angus" is "Angusina". The earliest form of the given