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International Atomic Time International Atomic Time (abbreviated TAI, from its French name ) is a high-precision atomic coordinate time standard based on the notional passage of proper time on Earth's geoid. TAI is a weighted average of the time kept by over 450 atomic clocks in over 80 national laboratories worldwide...
Alain Connes Alain Connes (; born 1 April 1947 in Draguignan) is a French mathematician, known for his contributions to the study of operator algebras and noncommutative geometry. He is a professor at the , , Ohio State University and Vanderbilt University. He was awarded the Fields Medal in 1982. Career Alain Connes...
Agricultural science Agricultural science (or agriscience for short) is a broad multidisciplinary field of biology that encompasses the parts of exact, natural, economic and social sciences that are used in the practice and understanding of agriculture. Professionals of the agricultural science are called agricultural...
Alien Alien primarily refers to: Alien (law), a person in a country who is not a national of that country Enemy alien, the above in times of war Extraterrestrial life, life which does not originate from Earth Specifically, a lifeform with extraterrestrial intelligence For fictional extraterrestrial life, see Extr...
Arithmetic mean In mathematics and statistics, the arithmetic mean ( ), arithmetic average, or just the mean or average (when the context is clear) is the sum of a collection of numbers divided by the count of numbers in the collection. The collection is often a set of results from an experiment, an observational stud...
Aberdeen (disambiguation) Aberdeen is a city in Scotland. Aberdeen may also refer to: Places Africa Aberdeen, Sierra Leone Aberdeen, Eastern Cape, South Africa Asia Hong Kong Aberdeen, Hong Kong, an area and town on southwest Hong Kong Island Aberdeen Channel, a channel between Ap Lei Chau (Aberdeen Island)...
Arraignment Arraignment is a formal reading of a criminal charging document in the presence of the defendant, to inform them of the charges against them. In response to arraignment, in some jurisdictions, the accused is expected to enter a plea; in other jurisdictions, no plea is required. Acceptable pleas vary among ...
Ampere The ampere ( , ; symbol: A), often shortened to amp, is the unit of electric current in the International System of Units (SI). One ampere is equal to 1 coulomb moving past a point in 1 second, or electrons' worth of charge moving past a point in 1 second. It is named after French mathematician and physicist...
Alismatales The Alismatales (alismatids) are an order of flowering plants including about 4,500 species. Plants assigned to this order are mostly tropical or aquatic. Some grow in fresh water, some in marine habitats. Perhaps the most important food crop in the order is the corm of the taro plant, Colocasia esculenta....
Asterales Asterales () is an order of dicotyledonous flowering plants that includes the large family Asteraceae (or Compositae) known for composite flowers made of florets, and ten families related to the Asteraceae. While asterids in general are characterized by fused petals, composite flowers consisting of many flor...
Arable land Arable land (from the , "able to be ploughed") is any land capable of being ploughed and used to grow crops. Alternatively, for the purposes of agricultural statistics, the term often has a more precise definition: A more concise definition appearing in the Eurostat glossary similarly refers to actual ra...
Andrey Markov Andrey Andreyevich Markov (14 June 1856 – 20 July 1922) was a Russian mathematician best known for his work on stochastic processes. A primary subject of his research later became known as the Markov chain. He was also a strong, close to master-level chess player. Markov and his younger brother Vladimir...
Demographics of Antigua and Barbuda This article is a demography of the population of Antigua and Barbuda including population density, ethnicity, religious affiliations and other aspects of the population. Population According to the 2011 census the estimated resident population of Antigua and Barbuda was 86,295. T...
Geography of Armenia Armenia is a landlocked country in the South Caucasus region of the Caucasus. The country spans Eastern Europe and West Asia, with cultural ties to both regions. Armenia is bordered on the north and east by Georgia and Azerbaijan and on the south and west by Iran, Azerbaijan's exclave Nakhchivan, ...
Demographics of American Samoa Demographics of American Samoa include population density, ethnicity, education level, health of the populace, economic status, religious affiliations and other aspects. American Samoa is an unincorporated territory of the United States located in the South Pacific Ocean. Vital statisti...
Algebraic number An algebraic number is a number that is a root of a non-zero polynomial in one variable with integer (or, equivalently, rational) coefficients. For example, the golden ratio, , is an algebraic number, because it is a root of the polynomial . That is, it is a value for x for which the polynomial evalu...
Automorphism In mathematics, an automorphism is an isomorphism from a mathematical object to itself. It is, in some sense, a symmetry of the object, and a way of mapping the object to itself while preserving all of its structure. The set of all automorphisms of an object forms a group, called the automorphism group. I...
Artistic revolution Throughout history, forms of art have gone through periodic abrupt changes called artistic revolutions. Movements have come to an end to be replaced by a new movement markedly different in striking ways. Scientific and technological 1 Not all artistic revolutions were political. Sometimes, scien...
Arabian Prince Kim Renard Nazel (born June 17, 1965), better known by his stage names Arabian Prince or Professor X, is an American rapper, record producer, and DJ. He was a founding member of N.W.A. Early life Nazel was born in Compton, California to the son of Joseph "Skippy" Nazel Jr., an African-American author a...
Associative property In mathematics, the associative property is a property of some binary operations, which means that rearranging the parentheses in an expression will not change the result. In propositional logic, associativity is a valid rule of replacement for expressions in logical proofs. Within an expression ...
Alligatoridae The family Alligatoridae of crocodylians includes alligators, caimans and their extinct relatives. Phylogeny The superfamily Alligatoroidea includes all crocodilians (fossil and extant) that are more closely related to the American alligator than to either the Nile crocodile or the gharial. This is a s...
Aare The Aare () or Aar () is a tributary of the High Rhine and the longest river that both rises and ends entirely within Switzerland. Its total length from its source to its junction with the Rhine comprises about , during which distance it descends , draining an area of , almost entirely within Switzerland, and ac...
Abbotsford, Scottish Borders Abbotsford is a historic country house in the Scottish Borders, near Galashiels, on the south bank of the River Tweed. Now open to the public, it was built as the residence of historical novelist and poet Sir Walter Scott between 1817 and 1825. It is a Category A Listed Building and the es...
Albert the Bear Albert the Bear (; 1100 – 18 November 1170) was the first margrave of Brandenburg from 1157 to his death and was briefly duke of Saxony between 1138 and 1142. Life Albert was the only son of Otto, Count of Ballenstedt, and Eilika, daughter of Magnus Billung, Duke of Saxony. He inherited his father's...
Ahmed II Ahmed II ( Aḥmed-i sānī) (25 February 1643 or 1 August 1642 – 6 February 1695) was the sultan of the Ottoman Empire from 1691 to 1695. Early life Ahmed II was born on 25 February 1643 or 1 August 1642, the son of Sultan Ibrahim and Muazzez Sultan. On 21 October 1649, Ahmed, along with his brothers Mehmed an...
Agathon Agathon (; ; ) was an Athenian tragic poet whose works have been lost. He is best known for his appearance in Plato's Symposium, which describes the banquet given to celebrate his obtaining a prize for his first tragedy at the Lenaia in 416. He is also a prominent character in Aristophanes' comedy the Thesmo...
Alaric II Alaric II (, , "ruler of all"; ; – August 507) was the King of the Visigoths from 484 until 507. He succeeded his father Euric as king of the Visigoths in Toulouse on 28 December 484; he was the great-grandson of the more famous Alaric I, who sacked Rome in 410. He established his capital at Aire-sur-l'Adou...
Alexander of Pherae Alexander () was Tyrant or Despot of Pherae in Thessaly, ruling from 369 to c. 356 BC. Following the assassination of Jason, the tyrant of Pherae and Tagus of Thessaly, in 370 BC, his brother Polyphron ruled for a year, but he was then poisoned by Alexander who assumed power himself. Alexander gov...
Alexander I of Scotland Alexander I (medieval Gaelic: Alaxandair mac Maíl Coluim; modern Gaelic: Alasdair mac Mhaol Chaluim; c. 1078 – 23 April 1124), posthumously nicknamed The Fierce, was the King of Scotland from 1107 to his death. He succeeded his brother, King Edgar, and his successor was his brother David. He wa...
Amalasuintha Amalasuintha (495 – 30 April 535) was a ruler of the Ostrogothic Kingdom from 526 to 535. Initially serving as regent for her son Athalaric, she became queen after his premature death. Highly educated, Amalasuintha was praised by both Cassiodorus and Procopius for her wisdom and her ability to speak thre...
Alfonso IV of Aragon Alfonso IV, called the Kind (also the Gentle or the Nice, ) (2 November 1299 – 24 January 1336) was King of Aragon and Count of Barcelona (as Alfons III) from 1327 to his death. His reign saw the incorporation of the County of Urgell, Duchy of Athens, and Duchy of Neopatria into the Crown of Arago...
Ambiorix Ambiorix (Gaulish "king of the surroundings", or "king-protector") ( 54–53 BC) was, together with Cativolcus, prince of the Eburones, leader of a Belgic tribe of north-eastern Gaul (Gallia Belgica), where modern Belgium is located. In the nineteenth century Ambiorix became a Belgian national hero because of h...
Autpert Ambrose Autpert Ambrose (Ambroise) () (ca. 730 – 784) was a Frankish Benedictine monk. An abbot of San Vincenzo al Volturno in South Italy in the time of Desiderius, king of the Lombards, Autpert wrote a considerable number of works on the Bible and religious subjects generally. Among these are commentaries on...
Ambrosians Ambrosians are members of one of the religious brotherhoods which at various times since the 14th century have sprung up in and around Milan, Italy. In the 16th century, a sect of Anabaptist Ambrosians was founded. Orders Only the oldest of the Catholic Ambrosians, the Fratres S. Ambrosii ad Nemus, had an...
Book of Amos The Book of Amos is the third of the Twelve Minor Prophets in the Old Testament (Tanakh) and the second in the Greek Septuagint tradition. Amos, an older contemporary of Hosea and Isaiah, was active c. 750 BC during the reign of Jeroboam II (788–747 BC) of Samaria (aka. Northern Israel), making Amos the f...
Amyntas I of Macedon Amyntas I () was king of the ancient Greek kingdom of Macedonia from at least 512/511 until his death in 498/497 BC. Although there were a number of rulers before him, Amyntas is the first king of Macedonia for which we have any reliable historical information. During Amyntas' reign, Macedonia bec...
Amyntas III of Macedon Amyntas III () was king of the ancient Greek kingdom of Macedonia from 393/2 to 388/7 BC and again from 387/6 to 370 BC. He was a member of the Argead dynasty through his father Arrhidaeus, a son of Amyntas, one of the sons of Alexander I. His most famous son is Philip II, father of Alexander th...
Anaximenes of Lampsacus Anaximenes of Lampsacus (; ; 320 BC) was a Greek rhetorician and historian. He was one of the teachers of Alexander the Great and accompanied him on his campaigns. Family His father was named Aristocles (). His nephew (son of his sister), was also named Anaximenes and was a historian. Rhetori...
André de Longjumeau André de Longjumeau (also known as Andrew of Longjumeau in English) was a 13th-century Dominican missionary and diplomat and one of the most active Occidental diplomats in the East in the 13th century. He led two embassies to the Mongols: the first carried letters from Pope Innocent IV and the seco...
Allomorph In linguistics, an allomorph is a variant phonetic form of a morpheme, or, a unit of meaning that varies in sound and spelling without changing the meaning. The term allomorph describes the realization of phonological variations for a specific morpheme. The different allomorphs that a morpheme can become are...
Affix In linguistics, an affix is a morpheme that is attached to a word stem to form a new word or word form. The main two categories are derivational and inflectional affixes. The first ones, such as -un, -ation, anti-, pre- etc, introduce a semantic change to the word they are attached to. The latter ones introduce...
Allotropy Allotropy or allotropism () is the property of some chemical elements to exist in two or more different forms, in the same physical state, known as allotropes of the elements. Allotropes are different structural modifications of an element: the atoms of the element are bonded together in different manners. F...
Agathocles of Syracuse Agathocles (, Agathoklḗs; 361–289 BC) was a Greek tyrant of Syracuse (317–289 BC) and self-styled king of Sicily (304–289 BC). Biography Agathocles was born at Thermae Himeraeae (modern name Termini Imerese), Magna Graecia, in Sicily. The son of a potter who had moved to Syracuse in about 343 B...
Archimedean solid In geometry, an Archimedean solid is one of 13 convex polyhedra whose faces are regular polygons and whose vertices are all symmetric to each other. They were first enumerated by Archimedes. The convex polyhedra with regular faces and symmetric vertices (the convex uniform polyhedra) include also the...
Natural history of Africa The natural history of Africa encompasses some of the well known megafauna of that continent. Natural history is the study and description of organisms and natural objects, especially their origins, evolution, and interrelationships. Flora The vegetation of Africa follows very closely the d...
Adhemar of Le Puy Adhemar (also known as Adémar, Aimar, or Aelarz) de Monteil (died 1 August 1098) was one of the principal figures of the First Crusade and was bishop of Puy-en-Velay from before 1087. He was the chosen representative of Pope Urban II for the expedition to the Holy Land. Remembered for his martial pro...
Acquire Acquire is a board game published by 3M in 1964 that involves multi-player mergers and acquisitions. It was one of the most popular games in the 3M Bookshelf games series published in the 1960s, and the only one still published in the United States. Description Acquire is a board game for 2–6 players in which...
Argo Navis Argo Navis (the Ship Argo), or simply Argo, is one of Ptolemy's 48 constellations, now a grouping of three IAU constellations. It is formerly a single large constellation in the southern sky. The genitive is "Argus Navis", abbreviated "Arg". Flamsteed and other early modern astronomers called it Navis (the ...
Alexander Technique The Alexander Technique, named after its developer Frederick Matthias Alexander (1869–1955), is a type of alternative therapy based on the idea that poor posture gives rise to a range of health problems. The American National Center for Complementary and Integrative Health classifies it as a "psyc...
Actinophryid 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 axopodi...
Amber Road 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 no...
Aristide Maillol 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...
Ansible An ansible is a category of fictional devices or technology capable of near-instantaneous or faster-than-light communication. It can send and receive messages to and from a corresponding device over any distance or obstacle whatsoever with no delay, even between star systems. As a name for such a device, the w...
Anton Drexler Anton Drexler (13 June 1884 – 24 February 1942) was a German far-right political agitator for the Völkisch movement in the 1920s. He founded the pan-German and anti-Semitic German Workers' Party (DAP), the antecedent of the Nazi Party (NSDAP). Drexler mentored his successor in the NSDAP, Adolf Hitler, du...
Arcology Arcology, a portmanteau of "architecture" and "ecology", is a field of creating architectural design principles for very densely populated and ecologically low-impact human habitats. The term was coined in 1969 by architect Paolo Soleri, who believed that a completed arcology would provide space for a varie...
Cobble Hill Tunnel The Cobble Hill Tunnel (also known as the Atlantic Avenue Tunnel) is an abandoned Long Island Rail Road (LIRR) tunnel beneath Atlantic Avenue in Brooklyn, New York City, running through the neighborhoods of Downtown Brooklyn and Cobble Hill. When open, it ran for about between Columbia Street and B...
Annapolis Valley The Annapolis Valley is a valley and region in the province of Nova Scotia, Canada. It is located in the western part of the Nova Scotia peninsula, formed by a trough between two parallel mountain ranges along the shore of the Bay of Fundy. Statistics Canada defines the Annapolis Valley as an economic...
Anton Diabelli Anton (or Antonio) Diabelli (5 September 17818 April 1858) was an Austrian music publisher, editor and composer. Best known in his time as a publisher, he is most familiar today as the composer of the waltz on which Ludwig van Beethoven wrote his set of thirty-three Diabelli Variations. Early life Diab...
Ardal O'Hanlon Ardal O'Hanlon () is an Irish comedian, actor, and author. He played Father Dougal McGuire in Father Ted (1995–1998), George Sunday/Thermoman in My Hero (2000–2006), and DI Jack Mooney in Death in Paradise (2017–2020). His novel The Talk of the Town was published in 1998. Early life O'Hanlon was born i...
Action Against Hunger Action Against Hunger () is a global humanitarian organization which originated in France and is committed to ending world hunger. The organization helps malnourished children and provides communities with access to safe water and sustainable solutions to hunger. Pakistan's situation has signif...
Abaddon The Hebrew term Abaddon ( ’Ăḇaddōn, meaning "destruction", "doom"), and its Greek equivalent Apollyon (, Apollúōn meaning "Destroyer") appear in the Bible as both a place of destruction and an angel of the abyss. In the Hebrew Bible, abaddon is used with reference to a bottomless pit, often appearing alongside...
Abadeh Abadeh (, also Romanized as Ābādeh) is a city in the Central District of Abadeh County, Fars province, Iran, serving as both capital of the district and of the county. At the 2006 National Census, its population was 52,042 in 14,184 households. The following census in 2011 counted 55,758 people in 16,546 house...
Abakan Abakan (; Khakas: , Ağban, or , Abaxan) is the capital city of Khakassia, Russia, located in the central part of the Minusinsk Depression, at the confluence of the Yenisei and Abakan Rivers. As of the 2010 Census, it had a population of 165,214—a slight increase over 165,197 recorded during the 2002 Census and ...
Acantharea The Acantharea (Acantharia) are a group of radiolarian protozoa, distinguished mainly by their strontium sulfate skeletons. Acantharians are heterotrophic marine microplankton that range in size from about 200 microns in diameter up to several millimeters. Some acantharians have photosynthetic endosymbionts...
Arbroath Abbey Arbroath Abbey, in the Scottish town of Arbroath, was founded in 1178 by King William the Lion for a group of Tironensian Benedictine monks from Kelso Abbey. It was consecrated in 1197 with a dedication to the deceased Saint Thomas Becket, whom the king had met at the English court. It was William's on...
Adversarial system The adversarial system or adversary system is a legal system used in the common law countries where two advocates represent their parties' case or position before an impartial person or group of people, usually a judge or jury, who attempt to determine the truth and pass judgment accordingly. It is ...
George Abbot (bishop) George Abbot (29 October 15624 August 1633) was an English divine who was Archbishop of Canterbury from 1611 to 1633. He also served as the fourth Chancellor of the University of Dublin, from 1612 to 1633. Chambers Biographical Dictionary describes him as "[a] sincere but narrow-minded Calvinist...
Adware Adware, often called advertising-supported software by its developers, is software that generates revenue for its developer by automatically generating online advertisements in the user interface of the software or on a screen presented to the user during the installation process. The software may generate two ...
Aegis The aegis ( ; aigís), as stated in the Iliad, is a device carried by Athena and Zeus, variously interpreted as an animal skin or a shield and sometimes featuring the head of a Gorgon. There may be a connection with a deity named Aex, a daughter of Helios and a nurse of Zeus or alternatively a mistress of Zeus (...
Aegisthus Aegisthus (; ; also transliterated as Aigisthos, ) was a figure in Greek mythology. Aegisthus is known from two primary sources: the first is Homer's Odyssey, believed to have been first written down by Homer at the end of the 8th century BC, and the second from Aeschylus's Oresteia, written in the 5th centu...
Apollos Apollos () was a 1st-century Alexandrian Jewish Christian mentioned several times in the New Testament. A contemporary and colleague of Paul the Apostle, he played an important role in the early development of the churches of Ephesus and Corinth. Biblical account Acts of the Apostles Apollos is first mention...
Aberfoyle, Stirling Aberfoyle () is a village in the historic county and registration county of Perthshire and the council area of Stirling, Scotland. The settlement lies northwest of Glasgow. The parish of Aberfoyle takes its name from this village, and had a population of 1,065 at the 2011 census. Geography The ...
Abeyance Abeyance (from the Old French meaning "gaping") is a state of expectancy in respect of property, titles or office, when the right to them is not vested in any one person, but awaits the appearance or determination of the true owner. In law, the term abeyance can be applied only to such future estates as hav...
Abigail Abigail () was an Israelite woman in the Hebrew Bible married to Nabal; she married the future King David after Nabal's death (1 Samuel ). Abigail was David's third wife, after Ahinoam and Saul's daughter, Michal, whom Saul later married to Palti, son of Laish, when David went into hiding. Abigail became the ...
Anatomical Therapeutic Chemical Classification System The Anatomical Therapeutic Chemical (ATC) Classification System is a drug classification system that classifies the active ingredients of drugs according to the organ or system on which they act and their therapeutic, pharmacological and chemical properties. Its pu...
American Registry for Internet Numbers The American Registry for Internet Numbers (ARIN) is the regional Internet registry for the United States, Canada, and many Caribbean and North Atlantic islands. ARIN manages the distribution of Internet number resources, including IPv4 and IPv6 address space and AS numbers. ARI...
Andreas Schlüter Andreas Schlüter (1659 – c. June 1714) was a German baroque sculptor and architect, active in the Holy Roman Empire of the German Nation, the Polish–Lithuanian Commonwealth, and the Russian Tsardom. Biography Andreas Schlüter was born probably in Hamburg. His early life is obscure as at least three d...
Antiderivative In calculus, an antiderivative, inverse derivative, primitive function, primitive integral or indefinite integral of a function is a differentiable function whose derivative is equal to the original function . This can be stated symbolically as . The process of solving for antiderivatives is called an...
The ABC Song "The ABC Song" is the best-known song used to recite the English alphabet in alphabetical order. It is commonly used to teach the alphabet to children in English-speaking countries. "The ABC Song" was first copyrighted in 1835 by Boston music publisher Charles Bradlee. The melody is from a 1761 French mus...
Azawakh The Azawakh is a breed of dog from West Africa. With ancient origins, it is raised throughout the Sahelian zone of Mali, Niger, and Burkina Faso. This region includes the Azawagh Valley for which the breed is named. While commonly associated with the nomadic Tuareg people, they are also bred and owned by o...
Latin American Integration Association The Latin American Integration Association / Asociación Latinoamericana de Integración / Associação Latino-Americana de Integração (LAIA / ALADI) is an international and regional scope organization. It was created on 12 August 1980 by the 1980 Montevideo Treaty, replacing the Lat...
Anoa Anoa, also known as dwarf buffalo and sapiutan, are two species of the genus Bubalus, placed within the subgenus Anoa and endemic to the island of Sulawesi in Indonesia: the mountain anoa (Bubalus quarlesi) and the lowland anoa (Bubalus depressicornis). Both live in undisturbed rainforest and are similar in appea...
Alexey Pajitnov Alexey Leonidovich Pajitnov (born April 16, 1955) is a Russian computer engineer and video game designer who is best known for creating, designing, and developing Tetris in 1985 while working at the Dorodnitsyn Computing Centre under the Academy of Sciences of the Soviet Union (now the Russian Academy ...
Amphisbaena The amphisbaena (, , or , plural: amphisbaenae; ) is a mythological, ant-eating serpent with a head at each end. The creature is alternatively called the amphisbaina, amphisbene, amphisboena, amphisbona, amphista, amfivena, amphivena, or anphivena (the last two being feminine), and is also known as the "Mo...
Amyl nitrite Amyl nitrite is a chemical compound with the formula C5H11ONO. A variety of isomers are known, but they all feature an amyl group attached to the nitrite functional group. The alkyl group is unreactive and the chemical and biological properties are mainly due to the nitrite group. Like other alkyl nitrite...
Amnon Amnon ( ’Amnōn, "faithful") was, in the Hebrew Bible, the oldest son of King David and his second wife, Ahinoam of Jezreel. He was born in Hebron during his father's reign in Judah. He was the heir apparent to the throne of Israel until he was assassinated by his half-brother Absalom to avenge the rape of Absalo...
Alexandria, Indiana Alexandria is a city in Monroe Township, Madison County, Indiana, United States. It is about northeast of Indianapolis. According to the 2020 census, its population was 5,149, nearly unchanged from 2010. History Alexandria was platted in 1836, when it was certain that the Indiana Central Canal w...
Alexandria Troas Alexandria Troas ("Alexandria of the Troad"; ; ) is the site of an ancient Greek city situated on the Aegean Sea near the northern tip of Turkey's western coast, the area known historically as Troad, a little south of Tenedos (modern Bozcaada). It is located southeast of modern Dalyan, a village in th...
Adolphe Sax Antoine-Joseph "Adolphe" Sax (; 6 November 1814 – 7 February 1894) was a Belgian inventor and musician who invented the saxophone in the early 1840s, patenting it in 1846. He also invented the saxotromba, saxhorn and saxtuba. He played the flute and clarinet. Early life Antoine-Joseph Sax was born on 6 N...
RUR-5 ASROC The RUR-5 ASROC (for "Anti-Submarine Rocket") is an all-weather, all sea-conditions anti-submarine missile system. Developed by the United States Navy in the 1950s, it was deployed in the 1960s, updated in the 1990s, and eventually installed on over 200 USN surface ships, specifically cruisers, destroyers,...
Anthony, King of Saxony Anthony of Saxony (; 27 December 1755 – 6 June 1836) was a King of Saxony from the House of Wettin. He became known as Anton der Gütige ("Anthony the Kind"). He was the fifth but third surviving son of Frederick Christian, Elector of Saxony and his wife Duchess Maria Antonia of Bavaria. Early...
Albert III, Duke of Saxony Albert III () (27 January 144312 September 1500) was a Duke of Saxony. He was nicknamed Albert the Bold or Albert the Courageous and founded the Albertine line of the House of Wettin. Biography Albert was born in Grimma as the third and youngest son (but fifth child in order of birth) of F...
Book of Alma The Book of Alma: The Son of Alma (), usually referred to as the Book of Alma, is one of the books that make up the Book of Mormon. The title refers to Alma the Younger, a prophet and "chief judge" of the Nephites. Alma is the longest book in the Book of Mormon and consists of sixty-three chapters, taking...
Branchiopoda Branchiopoda is a class of crustaceans. It comprises fairy shrimp, clam shrimp, Diplostraca (or Cladocera), Notostraca and the Devonian Lepidocaris. They are mostly small, freshwater animals that feed on plankton and detritus. Description Members of the Branchiopoda are unified by the presence of gills o...
Piano Trio, Op. 97 (Beethoven) The Piano Trio in B-flat major, Op. 97, by Ludwig van Beethoven is a piano trio completed in 1811. It is commonly referred to as the Archduke Trio, because it was dedicated to Archduke Rudolph of Austria, the youngest of twelve children of Leopold II, Holy Roman Emperor. Rudolf was an a...
Telecommunications in Belarus Telecommunications in Belarus involves the availability and use of electronic devices and services, such as the telephone, television, radio or computer, for the purpose of communication. Telephone system Telephone lines in use: 3,9741 million (2011). Mobile/cellular: 11,559,473 subsc...
Economy of Benin The economy of Benin remains underdeveloped and dependent on subsistence agriculture and cotton. Cotton accounts for 40% of Benin's GDP and roughly 80% of official export receipts. There is also production of textiles, palm products, and cocoa beans. Maize (corn), beans, rice, peanuts, cashews, pineap...
Geography of Bosnia and Herzegovina Bosnia and Herzegovina is located in Southeastern Europe. Situated in the western Balkans, it has a border with Croatia to the north and southwest, a border with Serbia to the east, and a border with Montenegro to the southeast. It borders the Adriatic Sea along its coastline. ...
Telecommunications in Brazil Brazil has both modern technologies in the center-south portion, counting with LTE, 3G HSPA, DSL ISDB based Digital TV. Other areas of the country, particularly the North and Northeast regions, lack even basic analog PSTN telephone lines. This is a problem that the government is trying to ...
Geography of Burkina Faso Burkina Faso (formerly Upper Volta) is a landlocked Sahel country that shares borders with six nations. It lies between the Sahara desert and the Gulf of Guinea, south of the loop of the Niger River, mostly between latitudes 9° and 15°N (a small area is north of 15°), and longitudes 6°W and 3...