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 2 nd part of Vikings Season 4 had released in November 2016 and the 5 th season will be premiered in 29 November 2017. Performance of Vikings TV Series. Vikings is one of the most watchable TV series of History. This can be judged by its viewership, which is more than 2.2 million viewers from its first seasons.