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Different shapes of a bird's wing are important in determining the flight capabilities; they can affect aerodynamic performance and maneuverability. [10] [circular reference] In the fully open condition, the morphing wing reaches the maximum surface area and has a 32% higher lift coefficient which to achieve high maneuverability at low speed ...
Bridgeville, California (population 25) was the first town to be sold on eBay in 2002, and has been up for sale three times since. [1] In January 2003, Thatch Cay, the last privately held and undeveloped U.S. Virgin Island, was listed for auction by Idealight International. The minimum bid was US$3 million and the sale closed January 16, 2003. [2]
The white-throated dipper and American dipper are also known in Britain and America, respectively, as the water ouzel (sometimes spelt "ousel") – ouzel originally meant the only distantly related but superficially similar Eurasian blackbird (Old English osle). Ouzel also survives as the name of a relative of the blackbird, the ring ouzel. [6]
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An underwater glider is a type of autonomous underwater vehicle (AUV) that employs variable-buoyancy propulsion instead of traditional propellers or thrusters. It employs variable buoyancy in a similar way to a profiling float , but unlike a float, which can move only up and down, an underwater glider is fitted with hydrofoils (underwater wings ...
The white-throated dipper (Cinclus cinclus), also known as the European dipper or just dipper, is an aquatic passerine bird found in Europe, Middle East, Central Asia and the Indian Subcontinent. The species is divided into several subspecies , based primarily on colour differences, particularly of the pectoral band.
Ed Martin, President Donald Trump's top federal prosecutor in Washington, announced on Friday he has launched an investigation into government employees accused of stealing property and making ...
The male is glossy black-green with wings, a base of wings, and a glossy black-blue tail. [14] The tip of the tail is white. [15] The back of the head and the neck have elongated feathers that have been described as gray [16] or light purple-white. [14] The upper back of the body and wings are spotted or streaked with white. [16]