Quantum electrodynamics, commonly referred to as QED, is a quantum field theory of the electromagnetic force. Taking the example of the force between two electrons, the classical theory of electromagnetism would describe it as arising from the electric field produced by each electron at the position of the other.
Season 2. Season 4. Season 3 of Vikings premiered on February 19, 2015 on History in Canada and in the United States and concluded on April 23, 2015, consisting of 10 episodes. The new 10-episode season begins with...
The third season of Vikings premiered on 19 February 2015, and the series was renewed for a fourth season on 26 March 2015.or the 2012 BBC Documentary series, see Vikings (TV documentary series) . Vikings is an Irish-Canadian historical drama television series written and created by Michael Hirst for the television channel History. Filmed in Ireland, it premiered on 3 March 2013 in the United States and Canada.