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  • Five-hundred-metre Aperture Spherical radio Telescope (radio telescope, Guizhou province, China)

    FAST, astronomical observatory in the Dawodang depression, Guizhou province, China, that, when it began observations in September 2016, became the largest single-dish radio telescope in the world. FAST’s collecting area is more than 2.5 times that of the 305-metre (1,000-foot) dish at the Arecibo

  • five-leaf akebia (plant)

    Akebia: Five-leaf akebia, or chocolate vine (A. quinata), has five leaflets to each leaf arranged like the fingers on a hand; three-leaf akebia (A. trifoliata) has three leaflets to a leaf. The purplish flowers are unisexual and occur in small clusters, and the oblong purple fruits…

  • five-lined skink (reptile)

    lizard: Parental care: …of some species, notably the five-lined skink (Eumeces fasciatus) of the United States and many of its relatives, remain with their eggs throughout the incubation time (about six weeks); they leave the clutch infrequently to feed. These skinks turn their eggs regularly and, if the eggs are experimentally scattered, will…

  • five-note scale (music)

    Pentatonic scale, musical scale containing five different tones. It is thought that the pentatonic scale represents an early stage of musical development, because it is found, in different forms, in most of the world’s music. The most widely known form is anhemitonic (without semitones; e.g.,

  • five-number summary (statistics)

    statistics: Exploratory data analysis: A five-number summary simply consists of the smallest data value, the first quartile, the median, the third quartile, and the largest data value. A box plot is a graphical device based on a five-number summary. A rectangle (i.e., the box) is drawn with the ends of…

  • Five-Power Constitution (Chinese government)

    Five-Power Constitution, system of government proposed by the Chinese revolutionary leader Sun Yat-sen in 1906 as the means through which democracy could be implemented in China after the overthrow of the imperial regime. It provided for a central government composed of five yüan, or branches, of

  • Five-Power Naval Limitation Treaty (international treaty)

    Washington Conference: The Five-Power Naval Limitation Treaty, which was signed by the United States, Great Britain, Japan, France, and Italy on February 6, 1922, grew out of the opening proposal at the conference by U.S. Secretary of State Charles Evans Hughes to scrap almost 1.9 million tons of…

  • five-tap wing (dance move)

    tap dance: Vaudeville: …with inventing known as the five-tap wing. Of the eccentric and legomania dancers, Buddy Ebsen, Henry (“Rubber Legs”) Williams, and Hal Leroy stand out. A unique style was invented by one of tap’s greatest dancers, Clayton (“Peg Leg”) Bates. After losing his leg at age 12, he reinvented tap to…

  • five-tone scale (music)

    Pentatonic scale, musical scale containing five different tones. It is thought that the pentatonic scale represents an early stage of musical development, because it is found, in different forms, in most of the world’s music. The most widely known form is anhemitonic (without semitones; e.g.,

  • Five-Year Engagement, The (film by Stoller [2012])

    Judd Apatow: …Forgetting Sarah Marshall (2008) and The Five-Year Engagement (2012). In a change for Apatow, the movie Bridesmaids (2011) and the HBO TV series Girls (2012–17), both of which he produced, focused primarily on female characters. He both produced and directed Trainwreck (2015), a comedy written by and starring stand-up comedian…

  • Five-Year Plans (economics)

    Five-Year Plans, method of planning economic growth over limited periods, through the use of quotas, used first in the Soviet Union and later in other socialist states. In the Soviet Union, the first Five-Year Plan (1928–32), implemented by Joseph Stalin, concentrated on developing heavy industry

  • five-year-plan literature (literary genre)

    Fyodor Vasilyevich Gladkov: …following an official demand for “five-year-plan novels” in 1928; and its positive hero, whose confidence overcomes apathy and despair, became a model for the heroes of Socialist Realism.

  • fivefold rotational symmetry (crystallography)

    quasicrystal: Microscopic images of quasicrystalline structures: It exhibited fivefold symmetry, which is forbidden in crystals, and long-range order, which is lacking in amorphous solids. Its order, therefore, was neither amorphous nor crystalline. Many other alloys with these same features have subsequently been produced.

  • fivefold symmetry (crystallography)

    quasicrystal: Microscopic images of quasicrystalline structures: It exhibited fivefold symmetry, which is forbidden in crystals, and long-range order, which is lacking in amorphous solids. Its order, therefore, was neither amorphous nor crystalline. Many other alloys with these same features have subsequently been produced.

  • Fivers (Islamic sect)

    Zaydiyyah, sect of Shī?ite Muslims owing allegiance to Zayd ibn ?Alī, grandson of ?usayn ibn ?Alī. Zayd was a son of the fourth Shī?ite imam, ?Alī ibn ?usayn, and a brother of Mu?ammad al-Bāqir. At a time when the designation and role of the Shī?ite imam was being defined, the followers of Zayd

  • fives (sport)

    Fives, a ball game played by two or four players in a court enclosed on three or four sides, the hard ball being struck with the hand usually protected by a glove. The derivation of the word fives is doubtful. It may be from an old game called Longue Paume, in which five on a side played, or from

  • fivestones (game)

    Jacks, game of great antiquity and worldwide distribution, now played with stones, bones, seeds, filled cloth bags, or metal or plastic counters (the jacks), with or without a ball. The name derives from “chackstones”—stones to be tossed. The knuckle, wrist, or ankle bones (astragals) of goats,

  • FIX (gene)

    Sir Ian Wilmut: Dolly and Polly: …a human gene known as FIX. This gene encodes a substance called human factor IX, a clotting factor that occurs naturally in most people but is absent in people with hemophilia, who require replacement therapy with a therapeutic form of the substance. Polly—along with two other sheep engineered to produce…

  • fixation (kinesthetic hallucination)

    hallucination: Hypnosis and trance states: …among aviators have been called fascination or fixation. During prolonged, monotonous flight, pilots may experience visual, auditory, and bodily (kinesthetic) hallucinations; for example, a pilot may suddenly feel that the plane is in a spin or a dive or that it is upside down, even though it is flying level.…

  • Fixation of Belief, The (work by Peirce)

    pragmatism: The Metaphysical Club: …version of Peirce’s now-classic paper “The Fixation of Belief” (1877) seems to have been presented at the club. James published a paper in 1878, “Spencer’s Definition of Mind as Correspondence,” in which his pragmatism and analysis of thought and belief are clearly discernible, and two decades later, he introduced pragmatism…

  • fixation reflex (physiology)

    human eye: Reflex pathways: …light; this is called the fixation reflex. The sensory pathway in the reflex arc leads as far as the cerebral cortex, because removal of the occipital cortex (the outer brain substance at the back of the head) abolishes reflex eye movements in response to light stimuli. If the occipital cortex…

  • fixation, nitrogen (chemical reaction)

    Nitrogen fixation, any natural or industrial process that causes free nitrogen (N2), which is a relatively inert gas plentiful in air, to combine chemically with other elements to form more-reactive nitrogen compounds such as ammonia, nitrates, or nitrites. Under ordinary conditions, nitrogen does

  • fixative (chemistry)

    drawing: Surfaces: This process of fixing was formerly done through repeated varnishing with gum-arabic solution and even with glue or egg-white emulsion. Modern siccatives (drying substances) inhibit discoloration but cannot prevent the living surface from appearing sealed, as it were, under a skin. In pastels especially, the manifold prismatic effects…

  • fixed air (chemical compound)

    Carbon dioxide, (CO2), a colourless gas having a faint, sharp odour and a sour taste; it is a minor component of Earth’s atmosphere (about 3 volumes in 10,000), formed in combustion of carbon-containing materials, in fermentation, and in respiration of animals and employed by plants in the

  • fixed asset (accounting)

    corporate finance: …investments are current assets and fixed assets. Current assets include cash, inventory, and accounts receivable. Examples of fixed assets are buildings, real estate, and machinery. In addition, the resource allocation function is concerned with intangible assets such as goodwill, patents, workers, and brand names.

  • fixed automation (technology)

    automation: Manufacturing applications of automation and robotics: …production can be distinguished: (1) fixed automation, (2) programmable automation, and (3) flexible automation.

  • fixed carbon (coal)

    coal utilization: Fixed-carbon content: Fixed carbon is the solid combustible residue that remains after a coal particle is heated and the volatile matter is expelled. The fixed-carbon content of a coal is determined by subtracting the percentages of moisture, volatile matter, and ash from a sample. Since gas-solid combustion…

  • fixed cost (economics)

    theory of production: The production function: …another group, the second, covers fixed cost (accountants’ “overhead costs”), which includes items not easily varied. The discussion will deal first with variable cost.

  • fixed exchange rate

    money: Central banking: If the country has a fixed exchange rate, the central bank buys or sells foreign exchange on demand to maintain stability in the rate. When sales by the central bank are too brisk, the growth of the monetary base decreases, the quantity of money and credit declines, and interest rates…

  • fixed fire zone (clay)

    brick and tile: Firing and cooling: In the more modern fixed fire zone, dried bricks are placed on cars carrying as many as 3,000 or more bricks; the cars start at the cool end of a long tunnel kiln and move slowly forward through gradually increasing temperatures to the firing zone, pass through it, and…

  • fixed holy day (festival)

    church year: Roman Catholic Church: Until 1969 the fixed holy days began with St. Andrew (November 30), the nearest to the beginning of Advent. The three days before Ascension Day, called Minor Rogation Days (“Days of Asking”), are devoted to special prayers for fruitful harvests. Found only in the Roman Catholic Church are the…

  • fixed light

    lighthouse: Identification: Steadily burning lights are called fixed lights. For giving mariners accurate directional information in ports, harbours, and estuarial approaches, fixed directional lights display sharply defined red and green sectors. Another sensitive and very accurate method of giving directional instruction is by range lights, which are two fixed lights of different…

  • fixed limit (betting structure)

    poker: Fixed limit: In fixed-limit games, no one may bet or raise by more than the established limit. In draw poker the limit is usually twice as much after the draw as before—for example, two chips before the draw, four chips after. In stud poker the…

  • fixed oil (substance)

    Oil, any greasy substance that is liquid at room temperature and insoluble in water. It may be fixed, or nonvolatile, oil; essential oil; or mineral oil (see petroleum). A brief treatment of fixed oils follows. For full treatment of edible oils, see fat and oil processing. Fixed oils and fats have

  • fixed pacemaker (medical device)

    pacemaker: …were of a type called asynchronous, or fixed, and they generated regular discharges that overrode the natural pacemaker. The rate of an asynchronous pacemaker may be altered by the physician, but once set it will continue to generate an electric pulse at regular intervals. Most are set at 70 to…

  • fixed round (artillery)

    ammunition: In artillery ammunition, a fixed round is a complete round in which all components are securely joined by a cartridge case. (Though brass was used almost invariably for cartridge cases before World War II, it has since been largely superseded by steel.) In semifixed ammunition, the projectile is detachable…

  • fixed-action pattern (biology)

    animal behaviour: Ontogeny: …termed pecking behaviour a “fixed action pattern” to indicate that it was performed automatically and correctly the first time it was elicited, apparently regardless of the animal’s experience.

  • fixed-bass accordion (musical instrument)

    accordion: …the rows in traditional “fixed-bass,” or Stradella, models give three-note chords—major and minor triads and dominant and diminished sevenths—while “free-bass” accordions overcome melodic restrictions by providing extra buttons or a converter switch for bass melodies and counterpoint. Many accordions include up to five registers for the basses, allowing each…

  • fixed-bed combustion (technology)

    coal utilization: Fixed bed: In fixed-bed systems, lumps of coal, usually size-graded between 3 and 50 millimetres, are heaped onto a grate, and preheated primary air (called underfire air) is blown from under the bed to burn the fixed carbon. Some secondary air (overfire air) is introduced over the coal…

  • fixed-key xylophone (musical instrument)

    African music: Xylophones: Fixed-key xylophones are more elaborate. Mounted below each key, there is usually an individually tuned calabash resonator, often with a mirliton (a vibrating membrane) attached to add a buzzing quality to the sound. A mid-14th-century account mentions a calabash-resonated xylophone in the West African kingdom…

  • fixed-percentage depreciation (accounting)

    accounting: Depreciation: …is recognized each year, and declining-charge depreciation, in which more depreciation is recognized during the early years of life than during the later years, on the assumption that the value of the asset’s service declines as it gets older. It is the responsibility of an independent accountant (the auditor) to…

  • fixed-pitch propeller

    airplane: Propellers: …vary in type, including two-blade fixed pitch, four-blade controllable (variable) pitch, and eight-blade contrarotating pitch. The blade angle on fixed-pitch propellers is set for only one flight regime, and this restriction limits their performance. Some fixed-pitch propellers can be adjusted on the ground to improve performance in one part of…

  • fixed-point theorem (mathematics)

    Fixed-point theorem, any of various theorems in mathematics dealing with a transformation of the points of a set into points of the same set where it can be proved that at least one point remains fixed. For example, if each real number is squared, the numbers zero and one remain fixed; whereas the

  • fixed-price contract (economics)

    research and development: The role of government: …of this system led to fixed-price contracts, but these have the drawback that it is often so difficult to define the end point of a research contract that the contractor can treat a fixed-price agreement as if it were cost-plus. Another problem is that, when the end point can be…

  • fixed-spool reel (fishing)

    fishing: Early history: …patent on the fixed-spool, or spinning, reel. In this kind of reel, the spool permanently faces toward the tip of the rod, and the line peels off during the cast. The increased casting distance afforded by the spinning reel—and facilitated by new lines with smaller diameters—revolutionized freshwater fishing.

  • Fixed-term Parliaments Act 2011 (United Kingdom [2011])

    Boris Johnson: Ascent to prime minister: Under the Fixed Terms of Parliament Act, however, a prime minister must win the support of at least two-thirds of the House of Commons to hold such an election when it falls outside of the body’s fixed five-year terms, meaning that Johnson would have to win opposition…

  • fixed-type gauge (measurement instrument)

    gauge: Fixed-type gauges are used to indicate whether a given dimension is larger or smaller than the standard. They may be of hard steel, soft steel, or glass. Sometimes chrome plating or tungsten-carbide coatings are used to prevent wear.

  • fixed-wing aircraft

    airplane: …of an airplane are a wing system to sustain it in flight, tail surfaces to stabilize the wings, movable surfaces to control the attitude of the plane in flight, and a power plant to provide the thrust necessary to push the vehicle through the air. Provision must be made to…

  • Fixer Upper (American television series)

    Waco: …popularity of the home-renovation show Fixer Upper (2013–18), which was based in Waco. The program starred Chip and Joanna Gaines, and the couple launched several businesses in Waco, including a restaurant and a home-furnishings store. The city is the seat of Baylor University (Southern Baptist; founded 1845), McLennan Community College…

  • Fixer, The (film by Frankenheimer [1968])

    John Frankenheimer: Films of the 1960s: In 1968 Frankenheimer directed The Fixer, which was based on Bernard Malamud’s acclaimed novel. The script was by Dalton Trumbo, and Alan Bates gave an Oscar-nominated performance as a Jewish handyman wrongfully imprisoned in tsarist Russia; Dirk Bogarde was also memorable as a sympathetic magistrate. The Extraordinary Seaman

  • Fixer, The (novel by Malamud)

    The Fixer, novel by Bernard Malamud, published in 1966. It received the Pulitzer Prize for fiction in 1967. The Fixer is considered by some to be the author’s finest novel. It is the story of a Jewish handyman, or fixer, who discovers that there is no rational reason for human cruelty; he also

  • fixing (photography)

    history of photography: Daguerreotype: …1837 Daguerre was able to fix the image permanently by using a solution of table salt to dissolve the unexposed silver iodide. That year he produced a photograph of his studio on a silvered copper plate, a photograph that was remarkable for its fidelity and detail. Also that year, Niépce’s…

  • Fizeau, Armand-Hippolyte-Louis (French physicist)

    Armand-Hippolyte-Louis Fizeau, French physicist noted for his experimental determination of the speed of light. Fizeau worked with Jean-Bernard-Léon Foucault on investigations of the infrared portion of the solar spectrum and made other observations of heat and light. Unaware of Christian Doppler’s

  • Fizeau-Laurent surface interferometer (optics)

    optical interferometer: The Fizeau-Laurent surface interferometer (see Figure) reveals departures of polished surfaces from a plane. The system was described by the French physicist A.-H.-L. Fizeau in 1862 and adapted in 1883 into the instruments now widely used in the optical industry. In the Fizeau-Laurent system, monochromatic light…

  • Fjalar (Norse mythology)

    Kvasir: Two dwarfs, Fjalar and Galar, who were weary of academics and learning, killed Kvasir and distilled his blood in Odhr?rir, the magic caldron. When mixed with honey by the giant Suttung, his blood formed mead that gave wisdom and poetic inspiration to those who drank it. The…

  • Fjalla-Eyvindur (play by Sigurjónsson)

    Jóhann Sigurjónsson: …Bj?rg-Ejvind og hans hustru, 1911; Eyvind of the Mountains; filmed 1917, by Victor Sj?str?m), which created a sensation in Scandinavia and in Germany and was later produced in England and the United States. Some contemporary critics hailed him as a peer of Henrik Ibsen, B.M. Bj?rnson, and August Strindberg—but his…

  • fj?rd (coastal feature)

    Fj?rd, rocky inlet of the sea, usually found along relatively low-lying coasts. Formed by the submergence of a glacial valley, fj?rds are characteristically more irregularly shaped than the fjords. Like fjords, they may be quite deep and may have thresholds at their mouths. Fj?rds are often

  • Fj?lnir (Icelandic periodical)

    Jónas Hallgrímsson: …Copenhagen, he founded the periodical Fj?lnir (1835–47; “The Many-Sided”), in which he published much of his poetry (including his popular patriotic poem “ísland” [“Iceland”]) and later his groundbreaking short stories. Fj?lnir was important to the future of Icelandic national sentiments and to the future distinction of Iceland’s language and literature,…

  • fjord (sea inlet)

    Fjord, long narrow arm of the sea, commonly extending far inland, that results from marine inundation of a glaciated valley. Many fjords are astonishingly deep; Sogn Fjord in Norway is 1,308 m (4,290 feet) deep, and Canal Messier in Chile is 1,270 m (4,167 feet). The great depth of these submerged

  • Fjordland penguin (bird)

    Fiordland penguin, (Eudyptes pachyrhynchus), species of crested penguin (genus Eudyptes, order Sphenisciformes) characterized by a thick stripe of pale yellow feather plumes above each eye (the superciliary stripe) that extends from the bill to the rear of the head. The terminal ends of each of the

  • Fj?rgyn (Norse mythology)

    J?rd, (Old Norse: “Earth”, ) in Norse mythology, a giantess, mother of the deity Thor and mistress of the god Odin. In the late pre-Christian era she was believed to have had a husband of the same name, perhaps indicating her transformation into a masculine personality. Her name is connected with

  • FK-binding protein 12 (protein)

    rapamycin: It acts specifically on FK-binding protein 12 (FKBP12), a substance commonly referred to as an immunophilin because it binds to immunosuppressive drugs. In turn, the rapamycin-FKBP12 complex binds to the mammalian target of rapamycin (mTOR), a kinase (an enzyme that adds phosphate groups to other molecules) that plays a…

  • FKBP12 (protein)

    rapamycin: It acts specifically on FK-binding protein 12 (FKBP12), a substance commonly referred to as an immunophilin because it binds to immunosuppressive drugs. In turn, the rapamycin-FKBP12 complex binds to the mammalian target of rapamycin (mTOR), a kinase (an enzyme that adds phosphate groups to other molecules) that plays a…

  • FKI (South Korean business organization)

    Kim Woo Choong: …over as chairman of the Federation of Korean Industries (FKI). The FKI, which represented the interests of several hundred companies, was considered South Korea’s most powerful business organization. Kim tried to use his new position to help combat South Korea’s economic slump, the worst since the end of the Korean…

  • FL (political party, Haiti)

    Jean-Bertrand Aristide: …a new political party, the Lavalas Family, and in 2000 he was again elected president. Although the opposition boycotted the election and charges of electoral fraud led to international calls for new or runoff elections, the results were declared official, and Aristide was inaugurated in February 2001.

  • Fl 282 (German helicopter)

    military aircraft: Helicopters: …used a handful of Flettner Fl 282s, powered by two noncoaxial, contrarotating lifting rotors, for ship-based artillery spotting and visual reconnaissance.

  • Flabanico, Domenico (doge of Venice)

    Venice: The new order: …of government, inaugurated by Doge Domenico Flabanico (1032–42). He restored to the people the sovereign right to elect the doge, but the term populus was in practice restricted to the residents of the Rialto and, more narrowly, to a select group of nobles. The executive organ was the ducal curia,…

  • flabella (fan)

    fan: The flabellum, a metal disk mounted on a long handle, was used in medieval church ceremony; it was held by the deacon and used pro muscis fugandis, “to drive away flies.”

  • Flabelligera (polychaete genus)

    annelid: Annotated classification: …10 cm; examples of genera: Flabelligera, Stylariodes. Order Sternaspida Sedentary; anterior setae short and thick; posterior end with ventral shield bearing radiating setae and anal branchiae; size, 3 cm; genera include Sternaspis. Order Oweniida

  • Flabelligerida (polychaete order)

    annelid: Annotated classification: Order Flabelligerida Sedentary; setae of anterior segments directed forward to form a cephalic (head) cage; prostomium and peristome retractile, with 2 palpi and retractile branchiae; size, 1 to 10 cm; examples of genera: Flabelligera, Stylariodes. Order Sternaspida

  • Flabellinea (protist)

    protozoan: Annotated classification: Flabellinea Flat. Lack subcylindrical pseudopodia; lack centrosomes and flagellated stages. Stereomyxida Branched or reticulate networks; trilaminate centrosomes. Acanthamoebidae Uninucleate cells. Form nonadhesive uroids. Glycocalyx is thin. Subpseudopodia are prominent. Cysts are

  • flabellum (fan)

    fan: The flabellum, a metal disk mounted on a long handle, was used in medieval church ceremony; it was held by the deacon and used pro muscis fugandis, “to drive away flies.”

  • flaccid paralysis (pathology)

    polio: The course of the disease: …develops what is known as flaccid paralysis. The motor impulses that normally move along the nerve fibres from the spinal cord to muscles are blocked, and, as a result, muscles become limp and cannot contract. The extent of paralysis depends on where the virus strikes and the number of nerve…

  • Flaccus, Lucius Valerius (Roman politician)

    Marcus Porcius Cato: …the notice of the patrician Lucius Valerius Flaccus, who helped him begin a political career at Rome. Cato was elected quaestor (205), aedile (199), and praetor (198) in Sardinia, where he suppressed usury. He was elected consul with Flaccus in 195, and as consul he unsuccessfully opposed the repeal of…

  • Flaccus, Marcus Verrius (Roman scholar)

    Marcus Verrius Flaccus, Roman freedman who became a learned scholar and grammarian and the most famous teacher of his day. Verrius Flaccus introduced the principle of competition among his pupils and awarded old books, beautiful or rare, as prizes. Augustus entrusted the education of his two

  • Flaccus, Quintus Horatius (Roman poet)

    Horace, outstanding Latin lyric poet and satirist under the emperor Augustus. The most frequent themes of his Odes and verse Epistles are love, friendship, philosophy, and the art of poetry. Horace was probably of the Sabellian hillman stock of Italy’s central highlands. His father had once been a

  • Flachsbinder, Jan (Polish author and bishop)

    Johannes Dantiscus, Polish poet and diplomat who was among the first representatives in Poland of Renaissance humanism. Dantiscus wrote, in Latin, incidental verse, love poetry, and panegyrics (formal speeches of praise). A courtier to the Polish king Sigismund I, Dantiscus accompanied the king to

  • Flacius Illyricus, Matthias (European religious reformer)

    Matthias Flacius Illyricus, Lutheran Reformer, pioneer in church historical studies, and theological controversialist who created a lasting rift within Lutheranism. From 1539, after studies in Venice with the humanist Baptista Egnatius, Flacius attended the universities of Basel, Tübingen, and

  • Flack (British-American television series)

    Anna Paquin: …was cast in the series Flack, playing a publicist working at a London firm. That same year, she appeared in the last season of the TV series The Affair.

  • Flack, Audrey (American painter and sculptor)

    Audrey Flack, American painter and sculptor whose choice of subject matter added a sociopolitical dimension to the Photo-realist movement. She was one of the first artists to use a projection of a photograph as an aid to painting. Flack began studying art while at Cooper Union in New York City from

  • Flacourt, étienne de (French governor)

    T?lan?aro: …fort there in 1643, and étienne de Flacourt wrote his descriptive Histoire de la Grande Isle de Madagascar there in 1661. A port on the Indian Ocean, T?lan?aro handles exports of dried fish, lumber, cattle, sisal, waxes, beans, peanuts (groundnuts), and other foodstuffs. It serves as the outlet for large…

  • Flad, Henry (American engineer)

    James B. Eads: …middle arch, Eads’s deputy, Colonel Henry Flad, had planned to hump the middle arch slightly to bring the two halves together; then, with the cantilevering removed, the arch would assume its normal shape. Eads, on the other hand, had prepared a wrought-iron plug fitted with threads; the last two arch…

  • flag (heraldry)

    Flag, a piece of cloth, bunting, or similar material displaying the insignia of a sovereign state, a community, an organization, an armed force, an office, or an individual. A flag is usually, but not always, oblong and is attached by one edge to a staff or halyard. The part nearest the staff is

  • Flag (painting by Johns)

    Western painting: American Neo-Dada: Cage, Rauschenberg, and Johns: His painting Flag (1954–55) took the predesigned format of the American flag as its subject but used it as a pretext for a display of painterly dexterity that seemed to comment ironically, once again, on Abstract Expressionism. Flag also posed a Duchampian philosophical conundrum: was it a…

  • flag (falcon plumage)

    falcon: Falcons have plumes called “flags” on their legs and a notch in the beak that is well developed in the genus Falco to form a “tooth.”

  • flag (chess clock)

    chess: Technological improvements: …a tiny latch called a flag, appeared at the turn of the 19th century and helped end the chronic arguments over when a player had exceeded a time limit. The flag, lying straight down near the 12 at the top of a clock face, is lifted at the end of…

  • flag burning

    Orrin Hatch: …would make it illegal to burn the American flag, but it failed by one vote. He also worked to set restrictions on class-action lawsuits and to curb medical malpractice suits, sponsoring bills to that effect in 2004 and 2009, respectively. In addition, he was a vocal critic of the Patient…

  • Flag Day (United States holiday)

    Flag Day, in the United States, a day honouring the national flag, observed on June 14. The holiday commemorates the date in 1777 when the United States approved the design for its first national flag. The idea to set aside a day to honour the national flag came from several sources. Bernard J.

  • flag desecration

    Orrin Hatch: …would make it illegal to burn the American flag, but it failed by one vote. He also worked to set restrictions on class-action lawsuits and to curb medical malpractice suits, sponsoring bills to that effect in 2004 and 2009, respectively. In addition, he was a vocal critic of the Patient…

  • Flag for Sunrise, A (novel by Stone)

    American literature: The influence of Raymond Carver: …of the drugs-and-Vietnam generation, and A Flag for Sunrise (1981) was a bleak, Conradian political novel set in Central America. Stone focused more on the spiritual malaise of his characters than on their ordinary lives. He wrote a lean, furious Hollywood novel in Children of Light (1986) and captured some…

  • Flag Service Organization (American organization)

    Scientology: Organization of the church: The Flag Service Organization in Clearwater, Florida, is responsible for providing instruction for OT levels VI and VII. The related Flag Ship Service Organization, located aboard the ship Freewinds, provides OT-VIII training. Knowledge of the exact content of the OT-level training is not freely available but…

  • Flag Ship Service Organization (American organization)

    Scientology: Organization of the church: The related Flag Ship Service Organization, located aboard the ship Freewinds, provides OT-VIII training. Knowledge of the exact content of the OT-level training is not freely available but is restricted to church members who undergo the training. OT-level training is reserved for those who are concerned with…

  • flagbird (bird)

    Flagbird, any of the six-plumed birds-of-paradise. See

  • flagella (biology)

    Flagellum, hairlike structure that acts primarily as an organelle of locomotion in the cells of many living organisms. Flagella, characteristic of the protozoan group Mastigophora, also occur on the gametes of algae, fungi, mosses, slime molds, and animals. Flagellar motion causes water currents

  • flagellants (medieval religious sects)

    Flagellants, medieval religious sects that included public beatings with whips as part of their discipline and devotional practice. Flagellant sects arose in northern Italy and had become large and widespread by about 1260. Groups marched through European towns, whipping each other to atone for

  • Flagellants (Russian sect)

    Grigori Rasputin: …he was introduced to the Khlysty (Flagellants) sect. Rasputin perverted Khlysty beliefs into the doctrine that one was nearest God when feeling “holy passionlessness” and that the best way to reach such a state was through the sexual exhaustion that came after prolonged debauchery. Rasputin did not become a monk.…

  • flagellar propulsion (locomotion)

    protozoan: Flagellar propulsion: Flagellar propulsion is employed during some stages in the life cycles of certain amoebae, including the vegetative phase of some genera, such as Mastigamoeba and Mastigella. The eukaryotic flagellum is a membrane-bound, whiplike structure found not only in protozoans but in animals as well (such…

  • flagellate (protozoan)

    Flagellate, (subphylum Mastigophora), any of a group of protozoans, mostly uninucleate organisms, that possess, at some time in the life cycle, one to many flagella for locomotion and sensation. (A flagellum is a hairlike structure capable of whiplike lashing movements that furnish locomotion.)

  • flagellation (religious practice)

    Flagellation, in religion, the disciplinary or devotional practice of beating with whips. Although it has been understood in many ways—as a driving out of evil spirits, as purification, as a form of sadism, and as an incorporation of the animal power residing in the whip—none of these

  • Flagellation of Christ (painting by Piero della Francesca)

    Piero della Francesca: Mature period: …the late 1450s Piero painted The Flagellation of Christ, the intended location of which is still debated by scholars. Its lucid perspectival construction contrasts with treatment of the subject wherein Christ is relegated to the background while three unidentified figures dominate the foreground. The content of the picture has indeed…

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