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...
March 18, 2016 Vikings No Comments. Vikings will continue to reign on the History Channel for at least another year. The historical drama, currently in Season 4, has been renewed for a fifth season by the network. Vikings Season 5 will consist of 20 episodes (the same amount as Season 4) and add Jonathan Rhys Meyers (The Tudors) to the showâs cast.