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
How to Dismantle an Atomic Bomb How to Dismantle an Atomic Bomb How to Dismantle an Atomic Bomb is the 11th studio album by Irish rock band U2. It was released on 22 November 2004 on Island Records and Interscope Records. Much like their previous album, "All That You Can't Leave Behind", "How to Dismantle an Atomic Bomb" exhibits a more mainstream rock sound after the band experimented with alternative rock and dance music in the 1990s. The album was produced by Steve Lillywhite, with additional production from Chris Thomas, Jacknife Lee, Nellee Hooper, Flood, Daniel Lanois, Brian Eno, and Carl Glanville. Looking for a more