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Virtual reality sickness may have undesirable consequences beyond the sickness itself. For example, Crowley (1987) argued that flight simulator sickness could discourage pilots from using flight simulators, reduce the efficiency of training through distraction and the encouragement of adaptive behaviors that are unfavorable for performance, compromise ground safety or flight safety when sick ...
The American Civil War (April 12, 1861 – May 26, 1865; also known by other names) was a civil war in the United States between the Union [e] ("the North") and the Confederacy ("the South"), which was formed in 1861 by states that had seceded from the Union.
The Quest 2 had faced criticism over the mandate that users must log in with a Facebook account in order to use the Quest 2 and any future Oculus products, including the amount of user data that could be collected by the company via virtual reality hardware and interactions, such as the user's surroundings, motions and actions, and biometrics.
This is a list of military conflicts, that United States has been involved in. There are currently 123 military conflicts on this list, 5 of which are ongoing. These include major conflicts like the American Revolutionary War, the War of 1812, the Mexican–American War, the American Civil War, the Spanish-American War, World War I, World War II and the Gulf War.
The problem, he said, is that “war will break these values. “There is an inherent contradiction between the warrior code, how these guys define themselves, what they expect of themselves – to be heroes, the selfless servants who fight for the rest of us – and the impossibility in war of ever living up to those ideals. It cannot be done.
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The effects of war are widely spread and can be long-term or short-term. [2] Soldiers experience war differently than civilians. Although both suffer in times of war, women and children suffer atrocities in particular. In the past decade, up to two million of those killed in armed conflicts were children. [2]
Da Costa's syndrome is named for the surgeon Jacob Mendes Da Costa, [16] who first observed it in soldiers during the American Civil War. At the time it was proposed, Da Costa's syndrome was seen as a very desirable [17] physiological explanation for "soldier's heart". Use of the term "Da Costa's syndrome" peaked in the early 20th century.