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Decoy
A decoy (derived from the Dutch ''de'' ''kooi'', literally "the cage" or possibly ''ende kooi'', " duck cage") is usually a person, device, or event which resembles what an individual or a group might be looking for, but it is only meant to lure them. Decoys have been used for centuries most notably in game hunting, but also in wartime and in the committing or resolving of crimes. Hunting In hunting wildfowl, the term decoy may refer to two distinct devices. One, the duck decoy (structure), is a long cone-shaped wickerwork tunnel installed on a small pond to catch wild ducks. After the ducks settled on the pond, a small, trained dog would herd the birds into the tunnel. The catch was formerly sent to market for food, but now these are used only by ornithologists to catch ducks to be ringed and released. The word ''decoy'', also originally found in English as "coy", derives from the Dutch ''de Kooi'' (the cage) and dates back to the early 17th century, when this type of duck ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Duck Decoy (model)
A duck decoy (or decoy duck) is a man-made object resembling a real duck. Duck decoys are sometimes used in waterfowl hunting to attract real ducks. Duck decoys were historically carved from wood, often Atlantic white cedar wood on the east coast of the US from Maine to South Carolina, or cork. Modern ones may also be made of canvas and plastic. They are usually painted, often elaborately and very accurately, to resemble various kinds of waterfowl. History Decoy ducks have been used in traditional hunting by Indigenous Australian peoples of the Murray River in South Australia. The current world record price for an antique duck decoy at auction is a red-breasted merganser hen by Lothrop Holmes for $856,000. Guyette & Deeter and Christie's New York. January 2007. The first million dollar price was achieved when two decoys (Canada goose and a preening pintail drake) by A. Elmer Crowell of East Harwich, MA were said to have sold for US$1.13 million each in a private sale, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Waterfowl Decoy Collecting
A duck decoy (or decoy duck) is a man-made object resembling a real duck. Duck decoys are sometimes used in waterfowl hunting to attract real ducks. Duck decoys were historically carved from wood, often Atlantic white cedar wood on the east coast of the US from Maine to South Carolina, or cork. Modern ones may also be made of canvas and plastic. They are usually painted, often elaborately and very accurately, to resemble various kinds of waterfowl. History Decoy ducks have been used in traditional hunting by Indigenous Australian peoples of the Murray River in South Australia. The current world record price for an antique duck decoy at auction is a red-breasted merganser hen by Lothrop Holmes for $856,000. Guyette & Deeter and Christie's New York. January 2007. The first million dollar price was achieved when two decoys (Canada goose and a preening pintail drake) by A. Elmer Crowell of East Harwich, MA were said to have sold for US$1.13 million each in a private sale, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Decoys
A decoy (derived from the Dutch ''de'' ''kooi'', literally "the cage" or possibly ''ende kooi'', " duck cage") is usually a person, device, or event which resembles what an individual or a group might be looking for, but it is only meant to lure them. Decoys have been used for centuries most notably in game hunting, but also in wartime and in the committing or resolving of crimes. Hunting In hunting wildfowl, the term decoy may refer to two distinct devices. One, the duck decoy (structure), is a long cone-shaped wickerwork tunnel installed on a small pond to catch wild ducks. After the ducks settled on the pond, a small, trained dog would herd the birds into the tunnel. The catch was formerly sent to market for food, but now these are used only by ornithologists to catch ducks to be ringed and released. The word ''decoy'', also originally found in English as "coy", derives from the Dutch ''de Kooi'' (the cage) and dates back to the early 17th century, when this type of duck ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Decoy In Action
A decoy (derived from the Dutch ''de'' ''kooi'', literally "the cage" or possibly ''ende kooi'', " duck cage") is usually a person, device, or event which resembles what an individual or a group might be looking for, but it is only meant to lure them. Decoys have been used for centuries most notably in game hunting, but also in wartime and in the committing or resolving of crimes. Hunting In hunting wildfowl, the term decoy may refer to two distinct devices. One, the duck decoy (structure), is a long cone-shaped wickerwork tunnel installed on a small pond to catch wild ducks. After the ducks settled on the pond, a small, trained dog would herd the birds into the tunnel. The catch was formerly sent to market for food, but now these are used only by ornithologists to catch ducks to be ringed and released. The word ''decoy'', also originally found in English as "coy", derives from the Dutch ''de Kooi'' (the cage) and dates back to the early 17th century, when this type of duck ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Duck Decoy (structure)
A duck decoy is a device to capture wild ducks or other species of waterfowl. Decoys had an advantage over hunting ducks with shotguns as the duck meat did not contain lead shot. Consequently, a higher price could be charged for it. Decoys are still used for hunting ducks, but they are now also used for ornithological research, in which the birds are released after capture. Etymology The word ''decoy'' is derived from the Dutch word ''eendenkooi'', which means "duck-cage"; ''Chambers Dictionary'' suggests Dutch ''de kooi'' = "the cage". Description Screens by a duck decoy pipe in a nature reserve near Waardenburg, the Netherlands (2007) As finally developed the decoy consisted of a pool of water leading from which are from one to eight curving, tapering, water-filled ditches. Over each ditch is a series of hoops, initially made from wood, later from iron, which diminish in size as the ditch tapers. The hoops are covered in netting. The combination of ditch and net-covered ho ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Duck Decoy (structure)
A duck decoy is a device to capture wild ducks or other species of waterfowl. Decoys had an advantage over hunting ducks with shotguns as the duck meat did not contain lead shot. Consequently, a higher price could be charged for it. Decoys are still used for hunting ducks, but they are now also used for ornithological research, in which the birds are released after capture. Etymology The word ''decoy'' is derived from the Dutch word ''eendenkooi'', which means "duck-cage"; ''Chambers Dictionary'' suggests Dutch ''de kooi'' = "the cage". Description Screens by a duck decoy pipe in a nature reserve near Waardenburg, the Netherlands (2007) As finally developed the decoy consisted of a pool of water leading from which are from one to eight curving, tapering, water-filled ditches. Over each ditch is a series of hoops, initially made from wood, later from iron, which diminish in size as the ditch tapers. The hoops are covered in netting. The combination of ditch and net-covered ho ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Military Deception
Military deception (MILDEC) is an attempt by a military unit to gain an advantage during warfare by misleading adversary decision makers into taking action or inaction that creates favorable conditions for the deceiving force. This is usually achieved by creating or amplifying an artificial fog of war via psychological operations, information warfare, visual deception, or other methods. As a form of disinformation, it overlaps with psychological warfare. Military deception is also closely connected to operations security (OPSEC) in that OPSEC attempts to conceal from the adversary critical information about an organization's capabilities, activities, limitations, and intentions, or provide a plausible alternate explanation for the details the adversary can observe, while deception reveals false information in an effort to mislead the adversary. Deception in warfare dates back to early history. ''The Art of War'', an ancient Chinese military treatise, emphasizes the importance of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flare (countermeasure)
A flare or decoy flare is an aerial infrared countermeasure used by a plane or helicopter to counter an infrared homing ("heat-seeking") surface-to-air missile or air-to-air missile. Flares are commonly composed of a pyrotechnic composition based on magnesium or another hot-burning metal, with burning temperature equal to or hotter than engine exhaust. The aim is to make the infrared-guided missile seek out the heat signature from the flare rather than the aircraft's engines. Tactics In contrast to radar-guided missiles, IR-guided missiles are very difficult to find as they approach aircraft. They do not emit detectable radar, and they are generally fired from behind, directly toward the engines. In most cases, pilots have to rely on their wingmen to spot the missile's smoke trail and alert of a launch. Since IR-guided missiles have a shorter range than their radar-guided counterparts, good situational awareness of altitude and potential threats continues to be an effective ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chaff (countermeasure)
Chaff, originally called Window by the British and ''Düppel'' by the Second World War era German Luftwaffe (from the Berlin suburb where it was first developed), is a radar countermeasure in which aircraft or other targets spread a cloud of small, thin pieces of aluminium, metallized glass fibre or plastic, which either appears as a cluster of primary targets on radar screens or swamps the screen with multiple returns, in order to confuse and distract. Modern armed forces use chaff (in naval applications, for instance, using short-range SRBOC rockets) to distract radar-guided missiles from their targets. Most military aircraft and warships have chaff dispensing systems for self-defense. An intercontinental ballistic missile may release in its midcourse phase several independent warheads as well as penetration aids such as decoy balloons and chaff. Modern radar systems can distinguish chaff from target objects by measuring the Doppler shift; chaff quickly loses speed compared ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Duck
Duck is the common name for numerous species of waterfowl in the family Anatidae. Ducks are generally smaller and shorter-necked than swans and geese, which are members of the same family. Divided among several subfamilies, they are a form taxon; they do not represent a monophyletic group (the group of all descendants of a single common ancestral species), since swans and geese are not considered ducks. Ducks are mostly aquatic birds, and may be found in both fresh water and sea water. Ducks are sometimes confused with several types of unrelated water birds with similar forms, such as loons or divers, grebes, gallinules and coots. Etymology The word ''duck'' comes from Old English 'diver', a derivative of the verb 'to duck, bend down low as if to get under something, or dive', because of the way many species in the dabbling duck group feed by upending; compare with Dutch and German 'to dive'. This word replaced Old English / 'duck', possibly to avoid confusion with ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Folk Art
Folk art covers all forms of visual art made in the context of folk culture. Definitions vary, but generally the objects have practical utility of some kind, rather than being exclusively decorative art, decorative. The makers of folk art are typically trained within a popular tradition, rather than in the fine art tradition of the culture. There is often overlap, or contested ground with naive art, 'naive art'. "Folk art" is not used in regard to traditional societies where ethnographic art continue to be made. The types of objects covered by the term "folk art" vary. The art form is categorised as "divergent... of cultural production ... comprehended by its usage in Europe, where the term originated, and in the United States, where it developed for the most part along very different lines." For a European perspective, Edward Lucie-Smith described it as "Unsophisticated art, both fine and applied, which is supposedly rooted in the collective awareness of simple people. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sonar
Sonar (sound navigation and ranging or sonic navigation and ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigation, navigate, measure distances (ranging), communicate with or detect objects on or under the surface of the water, such as other vessels. "Sonar" can refer to one of two types of technology: ''passive'' sonar means listening for the sound made by vessels; ''active'' sonar means emitting pulses of sounds and listening for echoes. Sonar may be used as a means of acoustic location and of measurement of the echo characteristics of "targets" in the water. Acoustic location in air was used before the introduction of radar. Sonar may also be used for robot navigation, and SODAR (an upward-looking in-air sonar) is used for atmospheric investigations. The term ''sonar'' is also used for the equipment used to generate and receive the sound. The acoustic frequencies used in sonar systems vary from very low (infrasonic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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