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...
Perhaps no TV drama took a riskier move than Vikings, which recently killed off hero King Ragnar in order to tell the historical story of how the Great Heathen Army took its revenge for his death. And after the Season 4 finale on Feb. 1, when will Vikings return for Season 5? The fifth season was confirmed before the back half of Season 4 even began. But so far, the news about Season 5 has been a little confusing. Reportedly, the fifth season will also have 20 episodes, according to Deadline.