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Blindfold
A blindfold (from Middle English ') is a garment, usually of cloth, tied to one's head to cover the eyes to disable the wearer's sight. While a properly fitted blindfold prevents sight even if the eyes are open, a poorly tied or trick blindfold may let the wearer see around or even through the blindfold. Applications Blindfolds can be used in various applications: * As a sleep mask: They block out light when sleeping, especially during air travel, or for those who sleep during the day, given that shutting out light allows the user to achieve a deeper level of sleep. They can also provide relief from claustrophobia for magnetic resonance imaging (MRI) patients. * In children's games, such as Pin the Tail on the Donkey and when hitting a piñata. * During both martial arts and weight lifting, to encourage reliance on other senses, such as touch or hearing. * As an added challenge in activities such as chess and speedcubing, forcing participants to rely purely on their memo ...
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Blindfold Chess
Blindfold chess, also known as ''sans voir'', is a form of chess play wherein the players do not see the positions of the pieces and do not touch them. This forces players to maintain a mental model of the positions of the pieces. Moves are communicated via a recognized chess notation. Blindfold chess was considered miraculous for centuries but now there is greater recognition of people who can keep track of more than one simultaneous blindfolded game. In Simultaneous exhibition, simultaneous blindfold play, an intermediary usually relays the moves between the players. Early history Blindfold chess was first played quite early on in the history of chess. The earliest name to be associated with play without the use of a material board is that of Sa'id bin Jubair (665–714) in the Middle East. In Europe, playing chess blindfolded became popular as a means of handicapping a chess master when facing a weaker opponent, or of simply displaying one's superior abilities. H. J. R. ...
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Blindfolds
A blindfold (from Middle English ') is a garment, usually of cloth, tied to one's head to cover the eyes to disable the wearer's sight. While a properly fitted blindfold prevents sight even if the eyes are open, a poorly tied or trick blindfold may let the wearer see around or even through the blindfold. Applications Blindfolds can be used in various applications: * As a sleep mask: They block out light when sleeping, especially during air travel, or for those who sleep during the day, given that shutting out light allows the user to achieve a deeper level of sleep. They can also provide relief from claustrophobia for magnetic resonance imaging (MRI) patients. * In children's games, such as Pin the Tail on the Donkey and when hitting a piñata. * During both martial arts and weight lifting, to encourage reliance on other senses, such as touch or hearing. * As an added challenge in activities such as chess and speedcubing, forcing participants to rely purely on their memory. ...
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Lady Justice
Lady Justice () is an allegorical personification of the moral force in judicial systems. Her attributes are scales, a sword and sometimes a blindfold. She often appears as a pair with Prudentia. Lady Justice originates from the personification of Justice in ancient Roman art known as ''Iustitia'' or ''Justitia'', who is equivalent to the Greek goddess Themis. The goddess Justitia The origin of Lady Justice was Justitia (or Iustitia), the goddess of Justice within Roman mythology. Justitia was introduced by emperor Augustus, and was thus not a very old deity in the Roman pantheon. Justice was one of the virtues celebrated by emperor Augustus in his , and a temple of Justitia was established in Rome by emperor Tiberius. Justitia became a symbol for the virtue of justice with which every emperor wished to associate his regime; emperor Vespasian minted coins with the image of the goddess seated on a throne called ''Iustitia Augusta'', and many emperors after him used the imag ...
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Speedcubing
Speedcubing or speedsolving is a competitive mind sport centered around the rapid solving of various combination puzzles. The most prominent puzzle in this category is the 3×3×3 puzzle, commonly known as the Rubik's Cube. Participants in this sport are called "speedcubers" (or simply "cubers"), who focus specifically on solving these puzzles at high speeds to get low clock times and/or fewest moves. The essential aspect of solving these puzzles typically involves executing a series of predefined algorithms in a particular sequence with eidetic prediction and finger tricks. Competitive speedcubing is predominantly overseen by the World Cube Association (WCA), which officially recognizes 17 distinct speedcubing events. These events encompass a range of puzzles, including N×N×N puzzles of sizes varying from 2×2×2 to 7×7×7, and other puzzle forms such as the Pyraminx, Megaminx, Skewb, Square-1, and Rubik's Clock. Additionally, specialized formats such as 3×3, 4×4, ...
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Piñata
A piñata (, ) is a container, often made of papier-mâché, pottery, or cloth, that is decorated, filled with candy, and then broken as part of a celebration. Piñatas are commonly associated with Mexico. The idea of breaking a container filled with treats came to Europe in the 14th century. The Spanish brought the European tradition to Mexico, although there were similar traditions in Mesoamerica, such as the Aztecs' honoring the birthday of the god Huītzilōpōchtli in mid-December. According to local records, the Mexican piñata tradition began in the town of Acolman, just north of Mexico City, where piñatas were introduced for catechism purposes as well as to co-opt the Huitzilopochtli ceremony. Today, the piñata is still part of Mexican culture, the cultures of other countries in Latin America, as well as the United States, but it has mostly lost its religious character. Etymology The Spanish language, Spanish word probably derives from the Italian language, Italian ...
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Sensory Deprivation
Sensory deprivation or perceptual isolation is the deliberate reduction or removal of stimuli from one or more of the senses. Simple devices such as blindfolds or hoods and earmuffs can cut off sight and hearing, while more complex devices can also cut off the sense of smell, touch, taste, thermoception (heat-sense), and the ability to know which way is down. Sensory deprivation has been used in various alternative medicines and in psychological experiments (e.g. with an isolation tank). When deprived of sensation, the brain attempts to restore sensation in the form of hallucinations. Short-term sessions of sensory deprivation are described as relaxing and conducive to meditation; however, extended or forced sensory deprivation can result in extreme anxiety, hallucinations, bizarre thoughts, and depression. A related phenomenon is perceptual deprivation, also called the Ganzfeld effect. In this case a constant uniform stimulus is used instead of attempting to remov ...
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Sunglasses
Sunglasses or sun glasses (informally called shades or sunnies; more names Sunglasses#Other names, below) are a form of Eye protection, protective eyewear designed primarily to prevent bright sunlight and high-energy visible light from damaging or discomforting the eyes. They can sometimes also function as a visual aid, as variously termed spectacles or glasses exist, featuring lenses that are colored, polarizer, polarized or darkened. In the early 20th century, they were also known as sun cheaters (cheaters then being an United States, American slang term for glasses). Since the 1930s, sunglasses have been a popular fashion accessory, especially on the beach. The American Optometric Association recommends wearing sunglasses that block ultraviolet radiation (UV) whenever a person is in the sunlight to protect the eyes from UV and blue light, which can cause several #Protection, serious eye problems. Their usage is mandatory immediately after some surgical procedures, such as L ...
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Kidnapping
Kidnapping or abduction is the unlawful abduction and confinement of a person against their will, and is a crime in many jurisdictions. Kidnapping may be accomplished by use of force or fear, or a victim may be enticed into confinement by fraud or deception. Kidnapping is distinguished from false imprisonment by the intentional movement of the victim to a different location. Kidnapping may be done to demand a ransom in exchange for releasing the victim, or for other illegal purposes. Kidnapping can be accompanied by bodily injury, which in some jurisdictions elevates the crime to aggravated kidnapping. Kidnapping of a child may be a distinct crime, depending on jurisdiction. Motives Kidnapping can occur for a variety of reasons, with motivations for the crime varying particularly based on the perpetrator. Ransom The kidnapping of a person, most often an adult, for ransom is a common motivation behind kidnapping. This method is primarily utilized by larger organizations, ...
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Hostage
A hostage is a person seized by an abductor in order to compel another party, one which places a high value on the liberty, well-being and safety of the person seized—such as a relative, employer, law enforcement, or government—to act, or refrain from acting, in a certain way, often under threat of serious physical harm or death to the hostage(s) after expiration of an ultimatum. The ''Encyclopædia Britannica Eleventh Edition'' defines a hostage as "a person who is handed over by one of two belligerent parties to the other or seized as security for the carrying out of an agreement, or as a preventive measure against certain acts of war." A party who seizes one or more hostages is known as a hostage-taker; if the hostages are present voluntarily, then the receiver is known as a host. In civil society, along with kidnapping for ransom and human trafficking (often willing to ransom its captives when lucrative or to trade on influence), hostage taking is a criminal activit ...
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Blindness
Visual or vision impairment (VI or VIP) is the partial or total inability of visual perception. In the absence of treatment such as corrective eyewear, assistive devices, and medical treatment, visual impairment may cause the individual difficulties with normal daily tasks, including reading and walking. The terms ''low vision'' and ''blindness'' are often used for levels of impairment which are difficult or impossible to correct and significantly impact daily life. In addition to the various permanent conditions, fleeting temporary vision impairment, amaurosis fugax, may occur, and may indicate serious medical problems. The most common causes of visual impairment globally are uncorrected refractive errors (43%), cataracts (33%), and glaucoma (2%). Refractive errors include near-sightedness, far-sightedness, presbyopia, and astigmatism (eye), astigmatism. Cataracts are the most common cause of blindness. Other disorders that may cause visual problems include age-related macular ...
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Theatrical Property
A prop, formally known as a (theatrical) property, is an object actors use on stage or screen during a performance or screen production. In practical terms, a prop is considered to be anything movable or portable on a stage or a set, distinct from the actors, scenery, costumes, and electrical equipment. This includes handheld items such as books, cups, weapons, and tools that actors interact with during a performance. Props help to create a realistic setting, convey information, or add to the storytelling by showing details about the characters or the environment. Term The earliest known use of the term "properties" in English to refer to stage accessories is in the 1425 CE morality play, '' The Castle of Perseverance''. During the Renaissance in Europe, small acting troupes functioned as cooperatives, pooling resources and dividing any income. Many performers provided their own costumes and small objects needed for performance, hence the term "property" suggesting these ite ...
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Magic Trick
Magic, which encompasses the subgenres of close-up magic, parlor magic, and stage magic, among others, is a performing art in which audiences are entertained by tricks, effects, or illusions of seemingly impossible feats, using natural means. It is to be distinguished from paranormal magic which are effects claimed to be created through supernatural means. It is one of the oldest performing arts in the world. Modern entertainment magic, as pioneered by 19th-century magician Jean-Eugène Robert-Houdin, has become a popular theatrical art form. In the late 19th and early 20th centuries, magicians such as John Nevil Maskelyne and David Devant, Howard Thurston, Harry Kellar, and Harry Houdini achieved widespread commercial success during what has become known as "the Golden Age of Magic", a period in which performance magic became a staple of Broadway theatre, vaudeville, and music halls. Meanwhile, magicians such as Georges Méliès, Gaston Velle, Walter R. Booth, an ...
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