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sir alan ayckbourn (born 12 april 1939) is a prolific british playwright and director. he has written and produced as of 2023, 89 full-length plays in scarborough and london and was, between 1972 and 2009, the artistic director of the stephen joseph theatre in scarborough, where all but four of his plays have received ...
alpha centauri (α centauri, alpha cen, or α cen) is a triple star system in the southern constellation of centaurus. it consists of three stars: rigil kentaurus (alpha centauri a), toliman (b) and proxima centauri (c). proxima centauri is the closest star to the sun at 4.2465 light-years (1.3020 pc). alpha centauri a a...
amiga is a family of personal computers introduced by commodore in 1985. the original model is one of a number of mid-1980s computers with 16- or 16/32-bit processors, 256 kb or more of ram, mouse-based guis, and significantly improved graphics and audio compared to previous 8-bit systems. these systems include the ata...
absorption may refer to: chemistry and biology absorption (biology), digestion absorption (small intestine) absorption (chemistry), diffusion of particles of gas or liquid into liquid or solid materials absorption (skin), a route by which substances enter the body through the skin absorption (pharmacology), absorption ...
the actinophryids are an order of heliozoa, a polyphyletic array of stramenopiles, having a close relationship with pedinellids and ciliophrys. they are common in fresh water and occasionally found in marine and soil habitats. actinophryids are unicellular and roughly spherical in shape, with many axopodia that radiate...
abel janszoon tasman (; 160310 october 1659) was a dutch seafarer and explorer, best known for his voyages of 1642 and 1644 in the service of the dutch east india company (voc). born in 1603 in lutjegast, netherlands, tasman started his career as a merchant seaman and became a skilled navigator. in 1633, he joined the ...
events pre-1600 ad 25 – guangwu claims the throne as emperor of china, restoring the han dynasty after the collapse of the short-lived xin dynasty. 70 – fires resulting from the destruction of the second temple in jerusalem are extinguished. 642 – battle of maserfield: penda of mercia defeats and kills oswald of northu...
angula may refer to: aṅgula, a measure equal to a finger's breadth eel, a biological order of fish nahas angula, former prime minister of namibia helmut angula see also angul (disambiguation)
asp may refer to: combat asp pistol asp, inc., law enforcement weapon manufacturer a type of extending baton ammunition supply point, military storage facility for live ammunition and explosives computing active server pages, a web-scripting interface by microsoft asp.net, a web-application framework by microsoft advan...
algebraic geometry is a branch of mathematics which classically studies zeros of multivariate polynomials. modern algebraic geometry is based on the use of abstract algebraic techniques, mainly from commutative algebra, for solving geometrical problems about these sets of zeros. the fundamental objects of study in alge...
austin ( , ) is the capital city of the u.s. state of texas, as well as the seat and most populous city of travis county, with portions extending into hays and williamson counties. incorporated on december 27, 1839, it is the 10th most populous city in the united states, the 4th most populous city in texas, and the 2nd...
the argument from morality is an argument for the existence of god. arguments from morality tend to be based on moral normativity or moral order. arguments from moral normativity observe some aspect of morality and argue that god is the best or only explanation for this, concluding that god must exist. arguments from m...
asl is a common initialism for american sign language, the sign language of the united states and canada (not be confused with auslan, also called asl or asilulu language which has the iso code asl), and may also refer to: culture sport american soccer league (disambiguation) australia's surfing life, surf magazine afr...
auschwitz concentration camp (, ; also or ) was a complex of over 40 concentration and extermination camps operated by nazi germany in occupied poland (in a portion annexed into germany in 1939) during world war ii and the holocaust. it consisted of auschwitz i, the main camp (stammlager) in oświęcim; auschwitz ii-birk...
archery is the sport, practice, or skill of using a bow to shoot arrows. the word comes from the latin arcus, meaning bow. historically, archery has been used for hunting and combat. in modern times, it is mainly a competitive sport and recreational activity. a person who practices archery is typically called an archer...
hugo alvar henrik aalto (; 3 february 1898 – 11 may 1976) was a finnish architect and designer. his work includes architecture, furniture, textiles and glassware, as well as sculptures and paintings. he never regarded himself as an artist, seeing painting and sculpture as "branches of the tree whose trunk is architectu...
the english language was introduced to the americas by british colonisation, beginning in the late 16th and early 17th centuries. the language also spread to numerous other parts of the world as a result of british trade and colonisation and the spread of the former british empire, which, by 1921, included 470–570 mill...
atomic semantics is a type of guarantee provided by a data register shared by several processors in a parallel machine or in a network of computers working together. atomic semantics are very strong. an atomic register provides strong guarantees even when there is concurrency and failures. a read/write register r store...
the antarctic circumpolar current (acc) is an ocean current that flows clockwise (as seen from the south pole) from west to east around antarctica. an alternative name for the acc is the west wind drift. the acc is the dominant circulation feature of the southern ocean and has a mean transport estimated at 100–150 sver...
arbor day (or arbour day in some countries) is a secular day of observance in which individuals and groups are encouraged to plant trees. today, many countries observe such a holiday. though usually observed in the spring, the date varies, depending on climate and suitable planting season. origins and history first arb...
sir alfred jules "freddie" ayer ( ; 29 october 1910 – 27 june 1989), usually cited as a. j. ayer, was an english philosopher known for his promotion of logical positivism, particularly in his books language, truth, and logic (1936) and the problem of knowledge (1956). ayer was educated at eton college and the universit...
andré weil (; ; 6 may 1906 – 6 august 1998) was a french mathematician, known for his foundational work in number theory and algebraic geometry. he was one of the most influential mathematicians of the twentieth century. his influence is due both to his original contributions to a remarkably broad spectrum of mathemati...
the achaeans or akhaians (; , "the achaeans" or "of achaea") is one of the names in homer which is used to refer to the greeks collectively. the term "achaean" is believed to be related to the hittite term ahhiyawa and the egyptian term ekwesh which appear in texts from the late bronze age and are believed to refer to ...
atle selberg (14 june 1917 – 6 august 2007) was a norwegian mathematician known for his work in analytic number theory and the theory of automorphic forms, and in particular for bringing them into relation with spectral theory. he was awarded the fields medal in 1950 and an honorary abel prize in 2002. early years selb...
aeschylus (, ; ; c. 525/524 – c. 456/455 bc) was an ancient greek tragedian often described as the father of tragedy. academic knowledge of the genre begins with his work, and understanding of earlier greek tragedy is largely based on inferences made from reading his surviving plays. according to aristotle, he expanded...
the amber road was an ancient trade route for the transfer of amber from coastal areas of the north sea and the baltic sea to the mediterranean sea. prehistoric trade routes between northern and southern europe were defined by the amber trade. as an important commodity, sometimes dubbed "the gold of the north", amber w...
crandall university is a baptist christian liberal arts university located in moncton, new brunswick, canada. it is affiliated with the canadian baptists of atlantic canada (canadian baptist ministries). history the school was founded in 1949 under the name united baptist bible training school (ubbts), and served as bo...
sir andrew john wiles (born 11 april 1953) is an english mathematician and a royal society research professor at the university of oxford, specialising in number theory. he is best known for proving fermat's last theorem, for which he was awarded the 2016 abel prize and the 2017 copley medal by the royal society. he wa...
ambient or ambiance or ambience may refer to: arts and entertainment ambiancé, an unreleased experimental film ambient (novel), a novel by jack womack music and sound ambience (sound recording), also known as atmospheres or backgrounds ambient music, a genre of music that puts an emphasis on tone and atmosphere ambient...
anne brontë (, commonly ; 17 january 1820 – 28 may 1849) was an english novelist and poet, and the youngest member of the brontë literary family. anne brontë was the daughter of maria ( branwell) and patrick brontë, a poor irish clergyman in the church of england. anne lived most of her life with her family at the pari...
augustine of hippo ( , ; ; 13 november 354 – 28 august 430), also known as saint augustine, was a theologian and philosopher of berber origin and the bishop of hippo regius in numidia, roman north africa. his writings influenced the development of western philosophy and western christianity, and he is viewed as one of ...
acting is an activity in which a story is told by means of its enactment by an actor who adopts a character—in theatre, television, film, radio, or any other medium that makes use of the mimetic mode. acting involves a broad range of skills, including a well-developed imagination, emotional facility, physical expressiv...
the delian league, founded in 478 bc, was an association of greek city-states, numbering between 150 and 330, under the leadership of athens, whose purpose was to continue fighting the persian empire after the greek victory in the battle of plataea at the end of the second persian invasion of greece. the league's moder...
august horch (12 october 1868 – 3 february 1951) was a german engineer and automobile pioneer, the founder of the manufacturing giant which would eventually become audi. beginnings horch was born in winningen, rhenish prussia. his initial trade was as a blacksmith, and then was educated at (mittweida technical college)...
avionics (a blend of aviation and electronics) are the electronic systems used on aircraft. avionic systems include communications, navigation, the display and management of multiple systems, and the hundreds of systems that are fitted to aircraft to perform individual functions. these can be as simple as a searchlight...
ares (; , árēs ) is the greek god of war and courage. he is one of the twelve olympians, and the son of zeus and hera. the greeks were generally ambivalent towards him. he embodies the physical valor necessary for success in war but can also personify sheer brutality and bloodlust, in contrast to his sister, the armore...
alexander grothendieck (; ; ; 28 march 1928 – 13 november 2014) was a french mathematician who became the leading figure in the creation of modern algebraic geometry. his research extended the scope of the field and added elements of commutative algebra, homological algebra, sheaf theory, and category theory to its fou...
alcoholics anonymous (aa) is a global peer-led mutual aid fellowship begun in the u.s. and dedicated to abstinence-based recovery from alcoholism through their spiritually inclined twelve-step program. besides stressing anonymity and offering membership to anyone wishing to stop drinking, aa's twelve traditions establi...
in computer graphics, alpha compositing or alpha blending is the process of combining one image with a background to create the appearance of partial or full transparency. it is often useful to render picture elements (pixels) in separate passes or layers and then combine the resulting 2d images into a single, final im...
in computer science, an array is a data structure consisting of a collection of elements (values or variables), of same memory size, each identified by at least one array index or key. an array is stored such that the position of each element can be computed from its index tuple by a mathematical formula. the simplest ...
"advance australia fair" is the national anthem of australia. written by scottish-born composer peter dodds mccormick, the song was first performed as a patriotic song in australia in 1878. it replaced "god save the queen" as the official national anthem in 1974, following a nationwide opinion survey, only for "god sav...
an automatic number announcement circuit (anac) is a component of a central office of a telephone company that provides a service to installation and service technicians to determine the telephone number of a telephone line. the facility has a telephone number that may be called to listen to an automatic announcement t...
amerigo vespucci (; ; 9 march 1451 – 22 february 1512) was an italian explorer and navigator from the republic of florence, from whose name the term "america" is derived. between 1497 and 1504, vespucci participated in at least two voyages of the age of discovery, first on behalf of spain (14991500) and then for portug...
aristide joseph bonaventure maillol (; december 8, 1861 – september 27, 1944) was a french sculptor, painter, and printmaker. biography maillol was born in banyuls-sur-mer, roussillon. he decided at an early age to become a painter, and moved to paris in 1881 to study art. after several applications and several years o...
{{infobox artist | name = antonio canova | image = antonio canova selfportrait 1792.jpg | alt = | caption = self-portrait, 1792 | birth_name = antonio canova | birth_date = 1 november 1757 | birth_place = possagno, republic of venice | death_date = | death_place = venice, lombardy–venetia | nationality = republic of ve...
françois auguste rené rodin (12 november 184017 november 1917) was a french sculptor, generally considered the founder of modern sculpture. he was schooled traditionally and took a craftsman-like approach to his work. rodin possessed a unique ability to model a complex, turbulent, and deeply pocketed surface in clay. h...
ann arbor is a city in the u.s. state of michigan and the seat of government of washtenaw county. the 2020 census recorded its population to be 123,851, making it the fifth-largest city in michigan. it is the principal city of the ann arbor metropolitan statistical area, which encompasses all of washtenaw county. ann a...
the act of settlement is an act of the parliament of england that settled the succession to the english and irish crowns to only protestants, which passed in 1701. more specifically, anyone who became a roman catholic, or who married one, became disqualified to inherit the throne. this had the effect of deposing the re...
aircraft hijacking (also known as airplane hijacking, skyjacking, plane hijacking, plane jacking, air robbery, air piracy, or aircraft piracy, with the last term used within the special aircraft jurisdiction of the united states) is the unlawful seizure of an aircraft by an individual or a group. dating from the earlie...
the acropolis of athens (; ) is an ancient citadel located on a rocky outcrop above the city of athens, greece, and contains the remains of several ancient buildings of great architectural and historical significance, the most famous being the parthenon. the word acropolis is from the greek words (akron, "highest point...