The 2011 Canadian census counted a total population of 33,476,688, an increase of around 5.9 percent over the 2006 figure. By December 2012, Statistics Canada reported a population of over 35 million, ...
Canada currently employs a professional, volunteer military force of 68,250 active personnel and approximately 47,081 reserve personnel. The unified Canadian Forces (CF) comprise the Canadian Army, Ro ...
Archaeological studies and genetic analyses have indicated a human presence in the northern Yukon region from 24,500 BC, and in southern Ontario from 7500 BC. These first settlers entered Canada throu ...
The name Canada comes from the St. Lawrence Iroquoian word kanata, meaning "village" or "settlement". In 1535, indigenous inhabitants of the present-day Quebec City region used the word to direct Fren ...
Groves expected to have another atomic bomb ready for use on August 19, with three more in September and a further three in October. On August 10, he sent a memorandum to Marshall in which he wrote th ...
At the time of its bombing, Hiroshima was a city of both industrial and military significance. A number of military units were located nearby, the most important of which was the headquarters of Field ...
In 1945, the Pacific War between the Empire of Japan and the Allies entered its fourth year. Of the 1.25 million battle casualties incurred by the United States in World War II, including both militar ...
The first ballistic missile was the A-4, commonly known as the V-2 rocket, developed by Nazi Germany in the 1930s and 1940s under direction of T.J. Gertner and Wernher von Braun. The first successful ...
Big Ben and Crossbow Unlike the V-1, the V-2's speed and trajectory made it practically invulnerable to anti-aircraft guns and fighters, as it dropped from an altitude of 100–110 km (62–68 mi) at up ...
In the late 1920s, a young Wernher von Braun bought a copy of Hermann Oberth's book, Die Rakete zu den Planetenr?umen (The Rocket into Interplanetary Spaces). Starting in 1930, he attended the Techni ...
The joint American, British, and Canadian Manhattan Project developed the uranium and plutonium atomic bombs. Its success is attributable to meeting all four of the following conditions:A strong initi ...
In December 1938, German chemists Otto Hahn and Fritz Strassmann sent a manuscript to the science journal Naturwissenschaften ("Natural Science") reporting they had detected the element barium after b ...
In early 1930s, the Soviets were instrumental to the advancement of nuclear physics. The initial Soviet interest in nuclear physics had begun in the early 1930s, an era in which a variety of important ...
Because of the complexity of an implosion-style weapon, it was decided that, despite the waste of fissile material, an initial test would be required. Groves approved the test, subject to the active m ...
Although DuPont's preferred designs for the nuclear reactors were helium cooled and used graphite as a moderator, DuPont still expressed an interest in using heavy water as a backup, in case the graph ...
