Ben Ainslie is a British sailing champion who became the most-decorated Olympic mariner of all time when he captured his fourth career gold medal (fifth medal overall) at the 2012 Games in London. Ainslie was born in the north of England, but when he was seven, his family moved to the coast of

Henry Ainsworth was a Nonconformist theologian, Hebrew scholar, and a leader of the English Separatist colony in Amsterdam. At first a Puritan, Ainsworth joined the Separatists who broke entirely with the Church of England. Driven abroad in the persecution of 1593, he settled in Amsterdam. When

Mary Salter Ainsworth was an American Canadian developmental psychologist known for her contributions to attachment theory. When she was five years old, Mary Salter’s family moved to Toronto, where her father became president of a manufacturing firm. At age 15 she read Character and the Conduct of

William Harrison Ainsworth was an English author of popular historical romances. Ainsworth initially studied law but left it for literature, publishing his first novel anonymously in 1826. His first success came with the novel Rookwood (1834), featuring the highwayman Dick Turpin, which led many

Ainu, indigenous people of Hokkaido, Sakhalin, and the Kuril Islands who were culturally and physically distinct from their Japanese neighbours until the second part of the 20th century. The Ainu may be descendants of an indigenous population once widely spread over northern Asia; many contemporary

Ainu: The traditional Ainu language, an isolate with a number of dialects, had been almost completely supplanted by Japanese by the early 21st century; a language-revitalization movement initiated formal instruction in Ainu in the 1980s.

aioli, sauce consisting primarily of garlic and olive oil. Aioli is a characteristic sauce of the French region of Provence, although it is widely used in neighbouring Spain and Italy as well. The Roman historian Pliny the Elder first recorded its use in Catalonia, where today it is called allioli,

Erigone: …and Erigone, the festival called Aiora (the Swing) was instituted. During this festival various small images (Latin oscilla) were swung from trees, and offerings of fruit were made.

metabolic disease: Porphyrias: One common form is acute intermittent porphyria, which is caused by a deficiency of the enzyme porphobilinogen deaminase. Symptoms usually arise during adolescence, and hormonal changes (e.g., menstruation), alcohol ingestion, certain foods, and some drugs may exacerbate the condition. Diagnosis is made by detecting porphyrins in the

B-film: Studios such as American International Pictures emerged during the 1950s to offer cheaply produced exploitation movies, which were targeted to specific audiences or low-rent exhibitors. These films, which were not necessarily exhibited with an A-picture, were also dubbed B-films. It was at this juncture that the term B-movie…

submarine: Postwar developments: …but the development of "air-independent propulsion" (AIP) using fuel cells has brought even greater improvement. Some AIP-capable submarines, equipped with fuel cells that use stored hydrogen and oxygen to generate electricity, are said to be able to operate at low speeds underwater for as long as a month.

sea snake: Two primitive groups (genera Aipysurus and Emydocephalus) eat only fish eggs; Hydrophis specializes in burrowing eels.

History of film: Taiwan: …Neon God), Aiqing wansui (1994; Vive l’amour), and Ni nei pien chi tien (2001; What Time Is It There?).

air, mixture of gases comprising the Earth’s atmosphere. The mixture contains a group of gases of nearly constant concentrations and a group with concentrations that are variable in both space and time. The atmospheric gases of steady concentration (and their proportions in percentage by volume)

Ben Affleck: Film directing: Air was the first film released by Artists Equity, a production company formed by Affleck and Damon.

radio: In Asia: …stations created in the 1990s): All India Radio (AIR) broadcast in 24 languages and 146 dialects to reach 98 percent of its burgeoning population. In addition to hundreds of daily news bulletins, AIR developed special bulletins on sports, youth, and other major events. Some 80 stations by the late 1990s…

surfing: Equipment and techniques: …of the wave), and “airs” (flying above the face of the wave).

ayre, genre of solo song with lute accompaniment that flourished in England in the late 16th and early 17th centuries. The outstanding composers in the genre were the poet and composer Thomas Campion and the lutenist John Dowland, whose “Flow, my teares” (“Lachrimae”) became so popular that a large

military, naval, and air academies, schools for the education and training of officers for the armed forces. Their origins date from the late 17th century, when European countries began developing permanent national armies and navies and needed trained officers for them—though the founding of

Claire L. Chennault: Two years later Civil Air Transport (CAT) was founded and soon became active in the country’s civil war, transporting munitions and troops for the Nationalist government. It also did work for the U.S. Central Intelligence Agency (CIA) and was eventually bought by the organization after the communists took…

Al Franken: …2007, the host of the Air America radio program The Al Franken Show (originally called The O’Franken Factor, which was a play on Bill O’Reilly’s conservative show, The O’Reilly Factor). Conceived by Franken as a weapon in the fight to get Republican Pres. George W. Bush “unelected,” the program used…

Al Franken: …2007, the host of the Air America radio program The Al Franken Show (originally called The O’Franken Factor, which was a play on Bill O’Reilly’s conservative show, The O’Reilly Factor). Conceived by Franken as a weapon in the fight to get Republican Pres. George W. Bush “unelected,” the program used…

Air and Simple Gifts, chamber work for violin, cello, piano, and clarinet by John Williams that premiered in Washington, D.C., on January 20, 2009, at the presidential inauguration of Barack Obama. It is one of relatively few works of chamber music by this composer, who is noted for his film music

musical variation, basic music technique consisting of changing the music melodically, harmonically, or contrapuntally. The simplest variation type is the variation set. In this form of composition, two or more sections are based on the same musical material, which is treated with different

Iceland: Transportation and telecommunications: Air Atlanta Icelandic, a large charter airline, is active worldwide in charter operations, particularly in flying Muslim pilgrims to Mecca from various communities in Africa and the Middle East.

microelectromechanical system: …large market was the automobile air-bag controller, which combines inertia sensors to detect a crash and electronic control circuitry to deploy the air bag in response. Another early application for MEMS was in inkjet printheads. In the late 1990s, following decades of research, a new type of electronic projector was…

logistics: Strategic mobility: …of naval-carrier forces and fixed air bases as a tool of emergency intervention. Studies seemed to show that the fixed bases were cheaper if all related costs were considered but that the advantage of mobility and flexibility lay with the naval carriers. In the 1970s the growing range and capacities…

swim bladder, buoyancy organ possessed by most bony fish. The swim bladder is located in the body cavity and is derived from an outpocketing of the digestive tube. It contains gas (usually oxygen) and functions as a hydrostatic, or ballast, organ, enabling the fish to maintain its depth without

air brake, either of two kinds of braking systems. The first, used by railroad trains, trucks, and buses, operates by a piston driven by compressed air from reservoirs connected to brake cylinders. When air pressure in the brake pipe is reduced, air is automatically admitted into the brake

Air Canada, airline established by the Canadian Parliament in the Trans-Canada Air Lines Act of April 10, 1937. Known for almost 28 years as Trans-Canada Air Lines, it assumed its current name on January 1, 1965. Air Canada’s headquarters are in Montreal. Initially flying a scheduled route between

air cavalry, airmobile helicopter formations widely used by the U.S. Army during the Vietnam War (1954–75) to locate and assault enemy ground forces and transport U.S. troops into battle. The Vietnam War saw the first large-scale use of helicopters in a combat role. At the time, U.S. helicopter

sound: The Helmholtz resonator: The air cavity of a string instrument, such as the violin or guitar, functions acoustically as a Helmholtz-type resonator, reinforcing frequencies near the bottom of the instrument’s range and thereby giving the tone of the instrument more strength in its low range. The acoustic band-pass filter…

poultry processing: Air chilling: Air chilling is the standard in Europe. The carcasses are hung by shackles and moved through coolers with rapidly moving air. The process is less energy-efficient than water chilling, and the birds lose weight because of dehydration. Air chilling prevents cross-contamination between birds.…

history of flight: From airmail to airlines in the United States: The following year, the Air Commerce Act established a bureau to enforce procedures for the licensing of aircraft, engines, pilots, and other personnel. The former act stimulated design and production of advanced planes to compete with rival carriers; the latter reassured insurance companies, private investors, and banks that safety…

compressor, device for increasing the pressure of a gas by mechanically decreasing its volume. Air is the most frequently compressed gas but natural gas, oxygen, nitrogen, and other industrially important gases are also compressed. The three general types of compressors are positive displacement,

human ear: Transmission of sound by air conduction: The outer ear directs sound waves from the external environment to the tympanic membrane. The auricle, the visible portion of the outer ear, collects sound waves and, with the concha, the cavity at the entrance to the external auditory canal, helps to funnel…

automotive industry: Europe after World War II: …the Volkswagen used a four-cylinder air-cooled engine at the rear of the car. It also dispensed with the annual model change that had become customary with other automobile manufacturers. Although the company had been founded by the German government, in the 1960s the government divested itself of 60 percent of…

vegetable farming: Precooling: Air cooling involves the exposure of vegetables to cold air; the air must be as cold as possible for rapid cooling but not low enough to freeze the produce exposed to the direct air blast.

tobacco: Curing: Air curing is accomplished mainly by mechanical ventilation inside buildings. Coke, charcoal, or petroleum gas may be burned to provide heat when conditions warrant. Air curing, which requires from one to two months’ time, is used for many tobaccos, including dark air-cured types, cigar, Maryland,…

microelectromechanical system: …large market was the automobile air-bag controller, which combines inertia sensors to detect a crash and electronic control circuitry to deploy the air bag in response. Another early application for MEMS was in inkjet printheads. In the late 1990s, following decades of research, a new type of electronic projector was…

air de cour, genre of French solo or part-song predominant from the late 16th century through the 17th century. It originated in arrangements, for voice and lute, of popular chansons (secular part-songs) written in a light chordal style. Such arrangements were originally known as vau- (or voix-)

military unit: …sometimes combined to form an air division or an air force.

mining: History: …mechanical drills powered by compressed air (pneumatic hammers) increased markedly the capability to mine hard rock, decreasing the cost and time for excavation severalfold. It is reported that the Englishman Richard Trevithick invented a rotary steam-driven drill in 1813. Mechanical piston drills utilizing attached bits on drill rods and moving…

sound: Acoustic filtration: …cross-sectional area are inserted into air ducts, as illustrated in Figure 3. The impedance mismatch introduced into a duct by a change in the area of the duct or by the addition of a side branch reflects undesirable frequencies, as determined by the size and shape of the variation. A…

air embolism, blockage of an artery or vein by an air bubble. Air can be introduced into the blood vessels during surgery or traumatic accidents. One type of traumatic embolization occurs when lung tissue is ruptured; bubbles of air pass from the alveoli (air sacs) of the lungs into nearby

automobile: History of the automobile: The air engine is thought to have originated with a 17th-century German physicist, Otto von Guericke. Guericke invented an air pump and was probably the first to make metal pistons, cylinders, and connecting rods, the basic components of the reciprocating engine. In the 17th century a…

Howard Hawks: Films of the 1940s: The patriotic Air Force (1943) transposed Hawks’s Air Corps experience and men-at-work ethos to World War II, with John Garfield, Gig Young, and Arthur Kennedy as part of the heroic crew of a B-17 bomber.

air force, military organization of a nation that is primarily responsible for the conduct of air warfare. The air force has the missions of gaining control of the air, supporting surface forces (as by bombing and strafing), and accomplishing strategic-bombing objectives. The basic weapon systems

United States Air Force Academy, institution of higher education for the training of commissioned officers for the U.S. Air Force. It was created by act of Congress on April 1, 1954, formally opened on July 11, 1955, at temporary quarters at Lowry Air Force Base, Denver, Colo., and transferred to a

Air Force One, any aircraft of the U.S. Air Force that is carrying the president of the United States. Strictly speaking, Air Force One is the radio call sign adopted by any Air Force plane while the president is aboard. In common parlance, however, the call sign has become identified with specific

Glenn Close: …Harrison Ford, in the thriller Air Force One (1997). Close’s subsequent film roles included the ringleader of a group of ideal suburban wives in The Stepford Wives (2004) and the mother of a nervous bride in Evening (2007). In Albert Nobbs (2011), which she cowrote, Close starred as a woman…

United States Air Force (USAF), one of the major components of the United States armed forces, with primary responsibility for air warfare, air defense, and the development of military space research. The Air Force also provides air services in coordination with the other military branches. U.S.

Air France, French international airline originally formed in 1933 and today serving all parts of the globe. With British Airways, it was the first to fly the supersonic Concorde. Headquarters are in Paris. On May 17, 1933, four airlines—Société Centrale pour l’Exploitation de Lignes Aériennes

Air France flight 4590, flight of a Concorde supersonic airplane that crashed in Gonesse, a suburb of Paris, on July 25, 2000. The airplane went down in flames almost immediately after takeoff, killing all 109 people on board and 4 others on the ground. It was the first fatal crash of a Concorde in

Air France: …Dutch airline KLM to create Air France–KLM Group, one of the largest air carriers in the world. The deal, however, allowed the two airlines to continue to operate as separate companies, retaining their own hubs, flights, and logos.

front, in meteorology, interface or transition zone between two air masses of different density and temperature; the sporadic flareups of weather along this zone, with occasional thunderstorms and electrical activity, was, to the Norwegian meteorologists who gave it its name during World War I,

gauge: …comparators, or visual gauges; and air gauges, which are used to gauge holes of various types. Very precise measurements may also be obtained by the use of light-wave interference, but the instruments that do so are referred to as interferometers.

military unit: …and the wing is the air group or group, which consists of two to four squadrons.) Several wings are sometimes combined to form an air division or an air force.

air gun, weapon based on the principle of the primitive blowgun that shoots bullets, pellets, or darts by expansion of compressed air. Most modern air guns are inexpensive BB guns (named for the size of the shot fired). The best of these develop about half the muzzle velocity of light firearms, are

pneumatic device: Major types of pneumatic devices: …also include chipping hammers and air hoists. Pneumatic chipping hammers contain an air-operated piston that delivers successive blows to a chisel or forming tool at the end of the hammer. The valve type of tool has a separate mechanism to control the airflow to the piston, thus allowing the operator…

Air India, airline founded in 1932 (as Tata Airlines) that grew into the flagship international airline of India; in addition to domestic routes, it serves southern and eastern Asia, the Middle East, Europe, Africa, Australia, the United States, and Canada. Headquarters are in Mumbai. The first

Air India Flight 182 disaster, passenger jet explosion off the coast of Ireland on June 23, 1985, that claimed the lives of all 329 passengers and crew members. Sikh extremists were accused of sabotaging the Air India aircraft, and one suspect was convicted in 2003. Flight 182 was en route from

Michael Jordan is a former collegiate and professional basketball player widely considered to be one of the greatest all-around players in the history of the game. Jordan’s unmatched athleticism and competitive drive revolutionized the sport while winning six NBA championships with the Chicago

Phil Knight: Nike: The company’s line of Air Jordan sneakers became a phenomenon and are perhaps the world’s best-known shoes. Knight also oversaw the 1988 debut of Nike’s iconic slogan “Just Do It.”

Sri Lanka: Transportation: SriLankan Airlines (formerly Air Lanka), the national airline, operates regularly between its base at Colombo and dozens of major cities in Asia, Europe, and North America. The seaport of Colombo handles the bulk of Sri Lanka’s shipping, including some transshipments of the Indian ports. International cargo is also…

air law, the body of law directly or indirectly concerned with civil aviation. Aviation in this context extends to both heavier-than-air and lighter-than-air aircraft. Air-cushion vehicles are not regarded as aircraft by the International Civil Aviation Organization (ICAO), but the practice of

layering: For air layering, a branch is deeply slit and the wound is covered with a ball of earth or moss and kept moist until roots develop; the branch is then severed and transplanted. Layering was practiced by the ancient Egyptians and Greeks. See also cutting.

baking: Entrapped air and vapour: Angel food cakes, sponge cakes, and similar products are customarily prepared without either yeast or chemical leaveners. Instead, they are leavened by air entrapped in the product through vigorous beating. This method requires a readily foaming ingredient capable of retaining the air…

pump: Electromagnetic pumps.: Gas lifts are used to raise liquids from the bottoms of wells. Compressed gas is introduced into the liquid near the bottom of the well as in Figure 6. The resulting mixture of gas and liquid is lighter and more buoyant than the liquid alone…

air lock, device that permits passage between regions of differing air pressures, most often used for passage between atmospheric pressure and chambers in which the air is compressed, such as pneumatic caissons and underwater tunnels. The air lock also has been used as a design feature of space

airmail, letters and parcels transported by airplanes. Airmail service was initiated in 1911 in England between Hendon (northwest of London) and Windsor, to celebrate the coronation of George V. Service was irregular, however, and only 21 trips were made. Continuous regular air transport of letters

Malawi: Transportation and telecommunications: Air Malawi, the national airline, provides foreign and domestic service. There are several airports in the country, including the primary international airport at Lilongwe and the Chileka airport, situated just north of Blantyre.

air mass, in meteorology, large body of air having nearly uniform conditions of temperature and humidity at any given level of altitude. Such a mass has distinct boundaries and may extend hundreds or thousands of kilometres horizontally and sometimes as high as the top of the troposphere (about

Aïr massif, group of granitic mountains rising sharply from the Sahara in central Niger. Several of these mountains approach and exceed 6,000 feet (1,800 m), the highest being Mount Gréboun (6,378 feet [1,944 m]). The mountains are dissected by deep valleys, called koris, in which some vegetation

Steve McNair was an American football player who threw 174 touchdown passes during his 13 National Football League (NFL) seasons (1995–2008), primarily while playing for the Tennessee Titans. McNair grew up in Mississippi and chose to attend the rural Alcorn State University, a historically Black

James Dyson: …other products, such as the Air Multiplier bladeless fan, introduced in 2009, in which air drawn through the base unit is blown over the inner surface of an ethereal airfoil-shaped ring, inducing air surrounding the ring to flow in an uninterrupted stream.

Mount Erebus disaster, airplane crash that occurred on November 28, 1979, when Air New Zealand flight TE901 flew into Mount Erebus on Ross Island, Antarctica. All 237 passengers and 20 crew members were killed. The crash is the worst civil disaster in New Zealand’s history. In 1977 Air New Zealand,

Air New Zealand Limited, New Zealand international airline founded in 1939 (as Tasman Empire Airways Limited, or TEAL) and, by 1980, operating throughout the South Pacific from New Zealand and Australia to Hong Kong and Singapore and to Tahiti, Hawaii, and Los Angeles. The original shareholders in

Pia Camil: …central in Camil’s next project, Air Out Your Dirty Laundry (2020). She asked the locals of Marfa, Texas, to donate garments, which she then hung outside Ballroom Marfa, a contemporary museum, while an audio recording played the stories of the donated pieces. The project provided residents an opportunity to discuss…

traffic control: History: , the pilot), this means short periods of high concentration and stress (takeoffs and landings) with relatively long periods of low activity and arousal. During this long-haul portion of a flight, a pilot is much more concerned with monitoring aircraft status than looking around for nearby planes.…

epiphyte, any plant that grows upon another plant or object merely for physical support. Epiphytes have no attachment to the ground or other obvious nutrient source and are not parasitic on the supporting plants. Most epiphytes are found in moist tropical areas, where their ability to grow above

air pocket, strong updraft, downdraft, or sudden fall in headwind or tailwind encountered by an aircraft in flight. See updraft and

Thomas K. Finletter: …headed a task force (the Air Policy Commission) on the future of U.S. air power. Finletter was the principal author of the commission’s influential 1948 report, “Survival in the Air Age,” which led to the rapid expansion of the U.S. Air Force. The report warned that the Soviet Union would…

air pollution, release into the atmosphere of various gases, finely divided solids, or finely dispersed liquid aerosols at rates that exceed the natural capacity of the environment to dissipate and dilute or absorb them. These substances may reach concentrations in the air that cause undesirable

air pollution, release into the atmosphere of various gases, finely divided solids, or finely dispersed liquid aerosols at rates that exceed the natural capacity of the environment to dissipate and dilute or absorb them. These substances may reach concentrations in the air that cause undesirable

air pollution control, the techniques employed to reduce or eliminate the emission into the atmosphere of substances that can harm the environment or human health. The control of air pollution is one of the principal areas of pollution control, along with wastewater treatment, solid-waste

atmospheric pressure, force per unit area exerted by an atmospheric column (that is, the entire body of air above the specified area). Atmospheric pressure can be measured with a mercury barometer (hence the commonly used synonym barometric pressure), which indicates the height of a column of

Otto von Guericke: …philosopher who invented the first air pump and used it to study the phenomenon of vacuum and the role of air in combustion and respiration.

air pollution, release into the atmosphere of various gases, finely divided solids, or finely dispersed liquid aerosols at rates that exceed the natural capacity of the environment to dissipate and dilute or absorb them. These substances may reach concentrations in the air that cause undesirable

air quality index (AQI), an online, color-coded index created by the U.S. Environmental Protection Agency (EPA) that communicates whether the relative air quality and air pollution level in a given area is healthy or unhealthy. Maps of local AQI values are updated every 8 or 24 hours, depending on

air racing, sport of racing airplanes, either over a predetermined course or cross-country up to transcontinental limits. Air racing dates back to 1909, when the first international meet was held at Reims, France. Sporting aviation dates back to the early days of flying, when aviation pioneers used

air, mixture of gases comprising the Earth’s atmosphere. The mixture contains a group of gases of nearly constant concentrations and a group with concentrations that are variable in both space and time. The atmospheric gases of steady concentration (and their proportions in percentage by volume)

traffic control: Traffic elements: …aircraft-mounted technologies are supplemented by air route surveillance radar, which monitors aircraft within each designated sector of the air route traffic control system. The radar-based systems form the backbone of the navigation aids for privately owned aircraft and small passenger-carrying planes. Major commercial jets are now supplied with inertial navigation…

air sac, any of the air-filled extensions of the breathing apparatus of many animals. Air sacs are found as tiny sacs off the larger breathing tubes (tracheae) of insects, as extensions of the lungs in birds, and as end organs in the lungs of certain other vertebrates. They serve to increase

seasoning: …most common seasoning methods are air seasoning and dry-kiln seasoning. In air seasoning, the boards are stacked and divided by narrow pieces of wood called stickers so that the air can circulate freely about each board. The stack is slanted to facilitate drainage of rain. In dry-kiln seasoning, the wood…

stunt flying: …for stunt pilots was the air show. At such programs the crowd would be entertained with aerial feats. For instance, stunt pilot Milo Burcham (died 1944), a master of crazy flying, performed a routine in which he would lose a wheel on take off and frantically attempt to land without…

cosmic ray: Very high-energy cosmic rays: …be detected only through the extensive air showers (EASs) that they produce in the atmosphere. An EAS may consist of billions of secondaries including photons, electrons, muons, and some neutrons that arrive at ground level over areas of many square kilometres. Very high-energy primaries arrive at the top of the…

Southwest Airlines Co., American airline founded by Herbert Kelleher and Rollin King in 1966 and incorporated in 1967 as Air Southwest Company. The current name was adopted in 1971. The company features low-fare, no-frills air service with frequent flights of mostly short routes. Costs are kept

plant development: The production of leaves: …to form the system of air spaces found in the mature leaf.