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Black Swan was presented in a sneak screening at the Telluride Film Festival on September 5, 2010. [40] It also had a Gala screening at the 35th Toronto International Film Festival later in the month. [41] [42] In October 2010, Black Swan was screened at the New Orleans Film Festival, [43] the Austin Film Festival, [44] and the BFI London Film ...
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A black swan (Cygnus atratus) in Australia. The black swan theory or theory of black swan events is a metaphor that describes an event that comes as a surprise, has a major effect, and is often inappropriately rationalized after the fact with the benefit of hindsight. The term is based on a Latin expression which presumed that black swans did ...
The book asserts that a "Black Swan" event depends on the observer: for example, what may be a Black Swan surprise for a turkey is not a Black Swan surprise for its butcher. Hence the objective should be to "avoid being the turkey", by identifying areas of vulnerability in order to "turn the Black Swans white".
A grey swan is an event that is known and possible to happen, but which is assumed to be unlikely to occur. [1] The term derives from black swan theory, which describes an event which is unlikely but unknown. [1] In electrical engineering, gray swan refers to the kind of events that rarely happens but have great impact on power systems. [2]
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The Northern Hemisphere species of swan have pure white plumage, but the Southern Hemisphere species are mixed black and white. The Australian black swan ( Cygnus atratus ) is completely black except for the white flight feathers on its wings; the chicks of black swans are light grey.