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Common ostrich
The common ostrich ("Struthio camelus") or simply ostrich, is a species of large flightless bird native to certain large areas of Africa. It is one of two extant species of ostriches, the only living members of the genus "Struthio" in the ratite order of birds. The other is the Somali ostrich ("Struthio... | https://en.wikipedia.org/wiki?curid=22544 |
Orgasm
Orgasm (from Greek ὀργασμός "orgasmos" "excitement, swelling"; also sexual climax) is the sudden discharge of accumulated sexual excitement during the sexual response cycle, resulting in rhythmic muscular contractions in the pelvic region characterized by sexual pleasure. Experienced by males and females, orgas... | https://en.wikipedia.org/wiki?curid=22546 |
Old English literature
Old English literature, or Anglo-Saxon literature, encompasses literature written in Old English, in Anglo-Saxon England from the 7th century to the decades after the Norman Conquest of 1066. "Cædmon's Hymn", composed in the 7th century, according to Bede, is often considered as the oldest survi... | https://en.wikipedia.org/wiki?curid=22557 |
Magnavox Odyssey 2
The Magnavox Odyssey 2 (stylized as Magnavox Odyssey²), also known as Philips Odyssey 2, is a second generation home video game console that was released in 1978. It was sold in Europe as the Philips Videopac G7000, in Brazil as the Philips Odyssey and in Japan as Odyssey2 (オデッセイ2 "odessei2"). The O... | https://en.wikipedia.org/wiki?curid=22560 |
Otorhinolaryngology
Otorhinolaryngology (ORL, also called Otolaryngology, Otolaryngology–Head and Neck Surgery (ORL-H&N), or Ear, Nose, and Throat (ENT)) is a surgical subspecialty within medicine that deals with the surgical and medical management of conditions of the head and neck. Doctors who specialize in this are... | https://en.wikipedia.org/wiki?curid=22573 |
Olympic Games
The modern Olympic Games or Olympics () are leading international sporting events featuring summer and winter sports competitions in which thousands of athletes from around the world participate in a variety of competitions. The Olympic Games are considered the world's foremost sports competition with mo... | https://en.wikipedia.org/wiki?curid=22576 |
Old Prussian language
Old Prussian was a Western Baltic language belonging to the Balto-Slavic branch of the Indo-European languages, once spoken by the Old Prussians, the Baltic peoples of the Prussian region. The language is called Old Prussian to avoid confusion with the German dialects of Low Prussian and High Pru... | https://en.wikipedia.org/wiki?curid=22577 |
OSGi
The OSGi Alliance, formerly known as the Open Services Gateway initiative, is an open standards organization founded in March 1999 that originally specified and continues to maintain the OSGi standard.
The OSGi specification describes a modular system and a service platform for the Java programming language that... | https://en.wikipedia.org/wiki?curid=22580 |
Estrogen
Estrogen, or oestrogen, is the primary female sex hormone. It is responsible for the development and regulation of the female reproductive system and secondary sex characteristics. There are three major endogenous estrogens in females that have estrogenic hormonal activity: estrone, estradiol, and estriol. Th... | https://en.wikipedia.org/wiki?curid=22581 |
Roland Octapad
Roland Octapad is a range of MIDI electronic drum percussion controllers produced by the Roland Corporation.
The first model, introduced in 1985, was the Pad-8. Originally to be called MPC-8 (MIDI Percussion Controller 8), but was renamed Pad-8 to avoid legal implications with MPC Electronics. It was a... | https://en.wikipedia.org/wiki?curid=22587 |
Oswald Spengler
Oswald Manuel Arnold Gottfried Spengler (; 29 May 1880 – 8 May 1936) was a German historian and philosopher of history whose interests included mathematics, science, and art and their relation to his cyclical theory of history. He is best known for his book "The Decline of the West" ("Der Untergang des... | https://en.wikipedia.org/wiki?curid=22588 |
Oracle
An oracle is a person or agency considered to provide wise and insightful counsel or prophetic predictions or precognition of the future, inspired by the gods. As such it is a form of divination.
The word "oracle" comes from the Latin verb "ōrāre", "to speak" and properly refers to the priest or priestess utte... | https://en.wikipedia.org/wiki?curid=22589 |
Oracle Corporation
Oracle Corporation is an American multinational computer technology corporation headquartered in Redwood Shores, California. The company sells database software and technology, cloud engineered systems, and enterprise software products—particularly its own brands of database management systems. In 2... | https://en.wikipedia.org/wiki?curid=22591 |
Official Monster Raving Loony Party
The Official Monster Raving Loony Party is a political party established in the United Kingdom in 1983 by the musician David Sutch, also known as "Screaming Lord Sutch, 3rd Earl of Harrow", or simply "Lord Sutch". It is notable for its deliberately bizarre policies and it effectivel... | https://en.wikipedia.org/wiki?curid=22592 |
Omega-3 fatty acid
Omega−3 fatty acids, also called Omega-3 oils, ω−3 fatty acids or "n"−3 fatty acids, are polyunsaturated fatty acids (PUFAs) characterized by the presence of a double bond three atoms away from the terminal methyl group in their chemical structure. They are widely distributed in nature, being import... | https://en.wikipedia.org/wiki?curid=22594 |
Ore
Ore is natural rock or sediment that contains one or more valuable minerals, typically metals, that can be mined, treated and sold at a profit. Ore is extracted from the earth through mining and treated or refined, often via smelting, to extract the valuable metals or minerals.
The "grade" of ore refers to the co... | https://en.wikipedia.org/wiki?curid=22595 |
Optical brightener
Optical brighteners, optical brightening agents (OBAs), fluorescent brightening agents (FBAs), or fluorescent whitening agents (FWAs), are chemical compounds that absorb light in the ultraviolet and violet region (usually 340-370 nm) of the electromagnetic spectrum, and re-emit light in the blue reg... | https://en.wikipedia.org/wiki?curid=22600 |
Oil painting
Oil painting is the process of painting with pigments with a medium of drying oil as the binder. Commonly used drying oils include linseed oil, poppy seed oil, walnut oil, and safflower oil. The choice of oil imparts a range of properties to the oil paint, such as the amount of yellowing or drying time. C... | https://en.wikipedia.org/wiki?curid=22605 |
Old Glory
Old Glory is a nickname for the flag of the United States. The original "Old Glory" was a flag owned by the 19th-century American sea captain William Driver (March 17, 1803 – March 3, 1886), who flew the flag during his career at sea and later brought it to Nashville, Tennessee, where he settled. Driver grea... | https://en.wikipedia.org/wiki?curid=22609 |
Oscar Wilde
Oscar Fingal O'Flahertie Wills Wilde (16 October 185430 November 1900) was an Irish poet and playwright. After writing in different forms throughout the 1880s, the early 1890s saw him become one of the most popular playwrights in London. He is best remembered for his epigrams and plays, his novel "The Pict... | https://en.wikipedia.org/wiki?curid=22614 |
Ostracism
Ostracism (, "ostrakismos") was a procedure under the Athenian democracy in which any citizen could be expelled from the city-state of Athens for ten years. While some instances clearly expressed popular anger at the citizen, ostracism was often used preemptively. It was used as a way of neutralizing someone... | https://en.wikipedia.org/wiki?curid=22615 |
Omega
Omega (capital: Ω, lowercase: ω; Greek ὦ, later ὦ μέγα, Modern Greek ωμέγα) is the 24th and last letter of the Greek alphabet. In the Greek numeric system/Isopsephy (Gematria), it has a value of 800. The word literally means "great O" ("ō mega", mega meaning "great"), as opposed to Ο ο omicron, which means "lit... | https://en.wikipedia.org/wiki?curid=22616 |
Operation Barbarossa
Operation Barbarossa () was the code name for the Axis invasion of the Soviet Union, which started on Sunday, 22 June 1941, during World War II. The operation put into action Nazi Germany's ideological goal of conquering the western Soviet Union so as to repopulate it with Germans. The German aime... | https://en.wikipedia.org/wiki?curid=22618 |
Revelation
In religion and theology, revelation is the revealing or disclosing of some form of truth or knowledge through communication with a deity or other supernatural entity or entities.
Some religions have religious texts which they view as divinely or supernaturally revealed or inspired. For instance, Orthodox ... | https://en.wikipedia.org/wiki?curid=26042 |
Rotterdam
Rotterdam (, ; ) is a city and municipality in the Netherlands. It is in the province of South Holland, at the mouth of the Nieuwe Maas channel leading into the Rhine–Meuse–Scheldt delta at the North Sea. Its history goes back to 1270, when a dam was constructed in the Rotte. In 1340, Rotterdam was granted c... | https://en.wikipedia.org/wiki?curid=26049 |
Ringworld
Ringworld is a 1970 science fiction novel by Larry Niven, set in his Known Space universe and considered a classic of science fiction literature. "Ringworld" tells the story of Louis Wu and his companions on a mission to the Ringworld, a rotating wheel space station, an alien construct in space 186 million m... | https://en.wikipedia.org/wiki?curid=26052 |
Rudolf II, Holy Roman Emperor
Rudolf II (18 July 1552 – 20 January 1612) was Holy Roman Emperor (1576–1612), King of Hungary and Croatia (as Rudolf I, 1572–1608), King of Bohemia (1575–1608/1611) and Archduke of Austria (1576–1608). He was a member of the House of Habsburg.
Rudolf's legacy has traditionally been view... | https://en.wikipedia.org/wiki?curid=26054 |
Robert Anton Wilson
Robert Anton Wilson (born Robert Edward Wilson; January 18, 1932 – January 11, 2007) was an American author, novelist, essayist, editor, playwright, poet, futurist, and self-described agnostic mystic. Recognized by Discordianism as an Episkopos, Pope, and saint, Wilson helped publicize the group th... | https://en.wikipedia.org/wiki?curid=26056 |
Royal Navy
The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by the English kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against the Kingdom of France. The modern Royal Navy traces its origins to the early 16... | https://en.wikipedia.org/wiki?curid=26061 |
Robert M. Pirsig
Robert Maynard Pirsig (; September 6, 1928 – April 24, 2017) was an American writer and philosopher. He was the author of the philosophical novels "Zen and the Art of Motorcycle Maintenance: An Inquiry into Values" (1974) and "" (1991).
Pirsig was born on September 6, 1928, in Minneapolis, Minnesota,... | https://en.wikipedia.org/wiki?curid=26071 |
Red Hat Linux
Red Hat Linux, created by the company Red Hat, was a widely used Linux distribution until its discontinuation in 2004.
Early releases of Red Hat Linux were called Red Hat Commercial Linux. Red Hat published the first non-beta release in May 1995. It was the first Linux distribution to use the RPM Packag... | https://en.wikipedia.org/wiki?curid=26072 |
Roger Clemens
William Roger Clemens (born August 4, 1962), nicknamed "Rocket", is an American former professional baseball pitcher who played 24 seasons in Major League Baseball (MLB) for four teams, most notably the Boston Red Sox and the New York Yankees. Clemens was one of the most dominant pitchers in major league... | https://en.wikipedia.org/wiki?curid=26074 |
Robert E. Howard
Robert Ervin Howard (January 22, 1906 – June 11, 1936) was an American author who wrote pulp fiction in a diverse range of genres. He is well known for his character Conan the Barbarian and is regarded as the father of the sword and sorcery subgenre.
Howard was born and raised in Texas. He spent most... | https://en.wikipedia.org/wiki?curid=26078 |
Revolutionary Association of the Women of Afghanistan
The Revolutionary Association of the Women of Afghanistan (RAWA) (Persian:جمعیت انقلابی زنان افغانستان, "Jamiʿat-e Enqelābi-ye Zanān-e Afghānestān", Pashto:د افغانستان د ښڅو انقلابی جمعیت) is a women's organization based in Quetta, Pakistan, that promotes women's r... | https://en.wikipedia.org/wiki?curid=26079 |
Railtrack
Railtrack was a group of companies that owned the track, signalling, tunnels, bridges, level crossings and all but a handful of the stations of the British railway system from 1994 until 2002. It was created as part of the privatisation of British Rail, listed on the London Stock Exchange, and was a constitu... | https://en.wikipedia.org/wiki?curid=26081 |
Rock Bridge High School
Rock Bridge High School is a public high school located in southern Columbia, Missouri. The school serves grades 9 through 12 and is one of four High Schools in Columbia Public Schools. It is located next to the Columbia Career Center. The mascot is the Bruin Bear.
Due to the increasing popula... | https://en.wikipedia.org/wiki?curid=26082 |
Red wolf
The red wolf ("Canis lupus rufus" or "Canis rufus") is a canine native to the southeastern United States which has a reddish-tawny color to its fur. Morphologically it is intermediate between the coyote and gray wolf, and is very closely related to the eastern wolf of eastern Canada.
The red wolf's proper ta... | https://en.wikipedia.org/wiki?curid=26088 |
Richard Myers
Richard Bowman Myers (born March 1, 1942) is the 14th president of Kansas State University and a retired four-star general in the United States Air Force who served as the 15th Chairman of the Joint Chiefs of Staff. As Chairman, Myers was the highest ranking uniformed officer of the United States militar... | https://en.wikipedia.org/wiki?curid=26090 |
Rupert Murdoch
Keith Rupert Murdoch, (born 11 March 1931) is an Australian-born American media mogul who founded News Corp. He is the son of Keith Murdoch, one time senior executive of Australia's Herald & Weekly Times publishing company. After his father's death in 1952, Murdoch took over the running of "The News", a... | https://en.wikipedia.org/wiki?curid=26091 |
Historical negationism
Historical negationism, also called denialism, is a distortion of the historical record. It is often imprecisely referred to as "historical revisionism", but that term also applies to legitimate academic reinterpretations of the historical record that diverge from previously accepted views.
In ... | https://en.wikipedia.org/wiki?curid=26092 |
Romanticism
Romanticism (also known as the Romantic era) was an artistic, literary, musical and intellectual movement that originated in Europe towards the end of the 18th century, and in most areas was at its peak in the approximate period from 1800 to 1890. Romanticism was characterized by its emphasis on emotion an... | https://en.wikipedia.org/wiki?curid=26094 |
Romantic nationalism
Romantic nationalism (also national romanticism, organic nationalism, identity nationalism) is the form of nationalism in which the state derives its political legitimacy as an organic consequence of the unity of those it governs. This includes, depending on the particular manner of practice, the ... | https://en.wikipedia.org/wiki?curid=26096 |
Revolutionary Armed Forces of Colombia
The Revolutionary Armed Forces of Colombia—People's Army (, FARC–EP and FARC) was a guerrilla movement involved in the continuing Colombian conflict starting in 1964. They were known to employ a variety of military tactics in addition to more unconventional methods, including ter... | https://en.wikipedia.org/wiki?curid=26100 |
Rotary engine
The rotary engine was an early type of internal combustion engine, usually designed with an odd number of cylinders per row in a radial configuration, in which the crankshaft remained stationary in operation, with the entire crankcase and its attached cylinders rotating around it as a unit. Its main appl... | https://en.wikipedia.org/wiki?curid=26103 |
Rudolf Steiner
Rudolf Joseph Lorenz Steiner (27 (or 25) February 1861 – 30 March 1925) was an Austrian philosopher, social reformer, architect, esotericist, and claimed clairvoyant. Steiner gained initial recognition at the end of the nineteenth century as a literary critic and published philosophical works including ... | https://en.wikipedia.org/wiki?curid=26104 |
Roof
A roof is the top covering of a building, including all materials and constructions necessary to support it on the walls of the building or on uprights; it provides protection against rain, snow, sunlight, extremes of temperature, and wind. A roof is part of the building envelope.
The characteristics of a roof a... | https://en.wikipedia.org/wiki?curid=26118 |
Robben Island
Robben Island () is an island in Table Bay, west of the coast of Bloubergstrand, north of Cape Town, South Africa. It takes its name from the Dutch word for seals ("robben"), hence the Dutch/Afrikaans name "Robbeneiland" which translates to "Seal(s) Island".
Robben Island is roughly oval in shape, long ... | https://en.wikipedia.org/wiki?curid=26122 |
Real-time operating system
A real-time operating system (RTOS) is an operating system (OS) intended to serve real-time applications that process data as it comes in, typically without buffer delays. Processing time requirements (including any OS delay) are measured in tenths of seconds or shorter increments of time. A... | https://en.wikipedia.org/wiki?curid=26123 |
The Righteous Brothers
The Righteous Brothers were originally an American musical duo of Bill Medley and Bobby Hatfield. They began performing together in 1962 in the Los Angeles area as part of a five-member group called the Paramours, but adopted the name "The Righteous Brothers" when they embarked on their recordin... | https://en.wikipedia.org/wiki?curid=26127 |
Rajiv Gandhi
Rajiv Ratna Gandhi (; 20 August 1944 – 21 May 1991) was an Indian politician who served as the 6th Prime Minister of India from 1984 to 1989. He took office after the 1984 assassination of his mother, Prime Minister Indira Gandhi, to become the youngest Indian Prime Minister at the age of 40.
Gandhi was ... | https://en.wikipedia.org/wiki?curid=26129 |
Racial profiling
Racial or ethnic profiling is the act of suspecting or targeting a person on the basis of assumed characteristics or behavior of a racial or ethnic group, rather than on individual suspicion. Racial profiling, however, is not limited only to an individual's ethnicity or race, but can also be based on ... | https://en.wikipedia.org/wiki?curid=26131 |
Rankine scale
The Rankine scale () is an absolute scale of thermodynamic temperature named after the Glasgow University engineer and physicist William John Macquorn Rankine, who proposed it in 1859 (the Kelvin scale was first proposed in 1848). It is used in engineering systems where heat computations are done using d... | https://en.wikipedia.org/wiki?curid=26132 |
Retroposon
Retroposons are repetitive DNA fragments which are inserted into chromosomes after they had been reverse transcribed from any RNA molecule.
In contrast to retrotransposons, retroposons never encode reverse transcriptase (RT) (but see below). Therefore, they are non-autonomous elements with regard to transp... | https://en.wikipedia.org/wiki?curid=26139 |
Russell Crowe
Russell Ira Crowe (born 7 April 1964) is an actor, film producer and musician. Although a New Zealand citizen, he has lived most of his life in Australia. He came to international attention for his role as the Roman General Maximus Decimus Meridius in the historical film "Gladiator" (2000), directed by R... | https://en.wikipedia.org/wiki?curid=25695 |
Robert Musil
Robert Musil (; 6 November 1880 – 15 April 1942) was an Austrian philosophical writer. His unfinished novel, "The Man Without Qualities" (), is generally considered to be one of the most important and influential modernist novels.
Musil was born in Klagenfurt, Carinthia, the son of engineer Alfred "Edler... | https://en.wikipedia.org/wiki?curid=25701 |
Geography of Russia
Russia is a country that stretches over a vast expanse of Eastern Europe and Northern Asia. Comprising much of Northern Eurasia, it is the world's largest country in total area. Due to its size, Russia displays both monotony and diversity. As with its topography, its climates, vegetation, and soils... | https://en.wikipedia.org/wiki?curid=25702 |
Demographics of Russia
The demographics of Russia are the demographic features of the population of the Russian Federation including population growth, population density, ethnic composition, education level, health, economic status and other aspects.
With a population of 142.8 million according to the 2010 census, w... | https://en.wikipedia.org/wiki?curid=25703 |
Politics of Russia
The politics of Russia take place in the framework of the federal semi-presidential republic of Russia. According to the Constitution of Russia, the President of Russia is head of state, and of a multi-party system with executive power exercised by the government, headed by the Prime Minister, who i... | https://en.wikipedia.org/wiki?curid=25704 |
Economy of Russia
The economy of Russia is an upper-middle income mixed and transition economy. It is the fifth-largest national economy in Europe, the eleventh-largest nominal GDP in the world, and the fifth-largest by purchasing power parity.
Russia's vast geography is an important determinant of its economic activ... | https://en.wikipedia.org/wiki?curid=25705 |
Telecommunications in Russia
Censorship and the issue of Media freedom in Russia have been main themes since the era of the telegraph. Radio was a major new technology in the 1920s, when the Communists had recently come to power. Soviet authorities realized that the "ham" operator was highly individualistic and encour... | https://en.wikipedia.org/wiki?curid=25706 |
Transport in Russia
The transport network of the Russian Federation is one of the world's most extensive transport networks. The national web of roads, railways and airways stretches almost from Kaliningrad in the west to the Kamchatka Peninsula in the east, and major cities such as Moscow and Saint Petersburg are ser... | https://en.wikipedia.org/wiki?curid=25707 |
Foreign relations of Russia
The foreign relations of the Russian Federation are the policy of the government of Russia by which it guides the interactions with other nations, their citizens and foreign organizations. This article covers the foreign policy of the Russian Federation since the dissolution of the Soviet U... | https://en.wikipedia.org/wiki?curid=25708 |
Russian Armed Forces
The Armed Forces of the Russian Federation (), commonly known as the Russian Armed Forces, are the military forces of Russia, established after the dissolution of the Soviet Union.
On 7 May 1992, Boris Yeltsin signed a presidential decree establishing the Russian Ministry of Defence and placing ... | https://en.wikipedia.org/wiki?curid=25709 |
Railway Mail Service
The United States Postal Service's Railway Mail Service was a significant mail transportation service in the US from the mid-19th century until the mid-20th century. The RMS, or its successor the Postal Transportation Service (PTS), carried the vast majority of letters and packages mailed in the U... | https://en.wikipedia.org/wiki?curid=25714 |
Rail transport
Rail transport (also known as train transport) is a means of transferring passengers and goods on wheeled vehicles running on rails, which are located on tracks. In contrast to road transport, where vehicles run on a prepared flat surface, rail vehicles (rolling stock) are directionally guided by the tr... | https://en.wikipedia.org/wiki?curid=25715 |
Refreshable braille display
A refreshable braille display or braille terminal is an electro-mechanical device for displaying braille characters, usually by means of round-tipped pins raised through holes in a flat surface. Visually impaired computer users who cannot use a computer monitor can use it to read text outpu... | https://en.wikipedia.org/wiki?curid=25716 |
Regular expression
A regular expression (shortened as regex or regexp; also referred to as rational expression) is a sequence of characters that define a "search pattern". Usually such patterns are used by string searching algorithms for "find" or "find and replace" operations on strings, or for input validation. It i... | https://en.wikipedia.org/wiki?curid=25717 |
Red Dwarf
Red Dwarf is a British science fiction comedy franchise created by Rob Grant and Doug Naylor which primarily consists of a television sitcom that aired on BBC Two between 1988 and 1999, and on Dave since 2009, gaining a cult following. The premise of the series follows the low-ranking technician Dave Lister,... | https://en.wikipedia.org/wiki?curid=25721 |
Regular language
In theoretical computer science and formal language theory, a regular language (also called a rational language) is a formal language that can be expressed using a regular expression, in the strict sense of the latter notion used in theoretical computer science (as opposed to many regular expressions ... | https://en.wikipedia.org/wiki?curid=25723 |
Reference work
A reference work is a work such as a book or periodical (or its electronic equivalent) to which one can refer for information. The information is intended to be found quickly when needed. Reference works are usually "referred" to for particular pieces of information, rather than read beginning to end. T... | https://en.wikipedia.org/wiki?curid=25727 |
Roger Casement
Roger David Casement () (1 September 1864 – 3 August 1916), known as Sir Roger Casement, CMG, between 1911 and 1916, was a diplomat and Irish nationalist. He worked for the British Foreign Office as a diplomat and later became a humanitarian activist, poet and Easter Rising leader. Described as the "fat... | https://en.wikipedia.org/wiki?curid=25730 |
Real Irish Republican Army
The Real Irish Republican Army or Real IRA (RIRA), is a dissident Irish republican paramilitary group which aims to bring about a united Ireland. It formed in 1997 following a split in the Provisional IRA by dissident members, who rejected the IRA's ceasefire that year. Like the Provisional ... | https://en.wikipedia.org/wiki?curid=25731 |
Roy Chapman Andrews
Roy Chapman Andrews (January 26, 1884 – March 11, 1960) was an American explorer, adventurer and naturalist who became the director of the American Museum of Natural History. He is primarily known for leading a series of expeditions through the politically disturbed China of the early 20th century ... | https://en.wikipedia.org/wiki?curid=25732 |
Taiwan
Taiwan, officially the Republic of China, is a country in East Asia. Neighbouring countries include the People's Republic of China (PRC) to the northwest, Japan to the northeast, and the Philippines to the south. The main island of Taiwan has an area of , with mountain ranges dominating the eastern two-thirds a... | https://en.wikipedia.org/wiki?curid=25734 |
Rugby league
Rugby league is a full-contact sport played by two teams of thirteen players on a rectangular field measuring 68 m wide and 112–122 m long. One of the two codes of rugby football, it originated in Northern England in 1895 as a split from the Rugby Football Union over the issue of payments to players. Its ... | https://en.wikipedia.org/wiki?curid=25735 |
Rowing (sport)
Rowing, sometimes referred to as crew in the United States, is a sport whose origins reach back to Ancient Egyptian times. It involves propelling a boat (racing shell) on water using oars. By pushing against the water with an oar, a force is generated to move the boat. The sport can be either recreation... | https://en.wikipedia.org/wiki?curid=25736 |
RuneQuest
RuneQuest is a fantasy role-playing game created by Steve Perrin and others, set in Greg Stafford's mythical world of Glorantha, and first published in 1978 by Chaosium. "RuneQuest" is notable for its system, designed around percentile dice and with an early implementation of skill rules, which became the ba... | https://en.wikipedia.org/wiki?curid=25737 |
Rich Text Format
The Rich Text Format (often abbreviated RTF) is a proprietary document file format with published specification developed by Microsoft Corporation from 1987 until 2008 for cross-platform document interchange with Microsoft products. Prior to 2008, Microsoft published updated specifications for RTF wit... | https://en.wikipedia.org/wiki?curid=25739 |
Robert E. Lee
Robert Edward Lee (January 19, 1807 – October 12, 1870) was an American Confederate general best known as a commander of the Confederate States Army during the American Civil War. He commanded the Army of Northern Virginia from 1862 until its surrender in 1865 and earned a reputation as a skilled tactici... | https://en.wikipedia.org/wiki?curid=25740 |
Raster graphics
In computer graphics, a raster graphics or bitmap image is a dot matrix data structure that represents a generally rectangular grid of pixels (points of color), viewable via a monitor, paper, or other display medium. Raster images are stored in image files with varying formats.
A bitmap is a rectangul... | https://en.wikipedia.org/wiki?curid=25742 |
Rerun
A rerun or repeat is a rebroadcast of an episode of a radio or television program. There are two types of reruns – those that occur during a hiatus, and those that occur when a program is syndicated.
In the United Kingdom, the word "repeat" refers only to a single episode; "rerun" or "rerunning" is the preferre... | https://en.wikipedia.org/wiki?curid=25745 |
Router (computing)
A router is a networking device that forwards data packets between computer networks. Routers perform the traffic directing functions on the Internet. Data sent through the internet, such as a web page or email, is in the form of data packets. A packet is typically forwarded from one router to anoth... | https://en.wikipedia.org/wiki?curid=25748 |
Routing
Routing is the process of selecting a path for traffic in a network or between or across multiple networks. Broadly, routing is performed in many types of networks, including circuit-switched networks, such as the public switched telephone network (PSTN), and computer networks, such as the Internet.
In packet... | https://en.wikipedia.org/wiki?curid=25750 |
Resistor
A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element. In electronic circuits, resistors are used to reduce current flow, adjust signal levels, to divide voltages, bias active elements, and terminate transmission lines, among other uses. High-powe... | https://en.wikipedia.org/wiki?curid=25754 |
Republicanism
Republicanism is a representative form of government organization. It is a political ideology centered on citizenship in a state organized as a republic. Historically, it ranges from the rule of a representative minority or oligarchy to popular sovereignty. It has had different definitions and interpreta... | https://en.wikipedia.org/wiki?curid=25755 |
Repetitive strain injury
A repetitive strain injury (RSI) is an injury to part of the musculoskeletal or nervous system caused by repetitive use, vibrations, compression or long periods in a fixed position. Other common names include repetitive stress disorders, cumulative trauma disorders (CTDs), and overuse syndrome... | https://en.wikipedia.org/wiki?curid=25756 |
Nuclear power
Nuclear power is the use of nuclear reactions that release nuclear energy to generate heat, which most frequently is then used in steam turbines to produce electricity in a nuclear power plant. Nuclear power can be obtained from nuclear fission, nuclear decay and nuclear fusion reactions. Presently, the ... | https://en.wikipedia.org/wiki?curid=22153 |
Nuclear proliferation
Nuclear proliferation is the spread of nuclear weapons, fissionable material, and weapons-applicable nuclear technology and information to nations not recognized as "Nuclear Weapon States" by the Treaty on the Non-Proliferation of Nuclear Weapons, commonly known as the Non-Proliferation Treaty or... | https://en.wikipedia.org/wiki?curid=22158 |
Nuclear energy
Nuclear energy may refer to: | https://en.wikipedia.org/wiki?curid=22161 |
Netlist
In electronic design, a netlist is a description of the connectivity of an electronic circuit. In its simplest form, a netlist consists of a list of the electronic components in a circuit and a list of the nodes they are connected to. A network (net) is a collection of two or more interconnected components.
T... | https://en.wikipedia.org/wiki?curid=22164 |
Nuclear disarmament
Nuclear disarmament is the act of reducing or eliminating nuclear weapons. It can also be the end state of a nuclear-weapons-free world, in which nuclear weapons are completely eliminated. The term denuclearization is also used to describe the process leading to complete nuclear disarmament.
Nucle... | https://en.wikipedia.org/wiki?curid=22165 |
Net (mathematics)
In mathematics, more specifically in general topology and related branches, a net or Moore–Smith sequence is a generalization of the notion of a sequence. In essence, a sequence is a function with domain the natural numbers, and in the context of topology, the codomain of this function is usually any... | https://en.wikipedia.org/wiki?curid=22170 |
Nuclear winter
Nuclear winter is a severe and prolonged global climatic cooling effect hypothesized to occur after widespread firestorms following a nuclear war. The hypothesis is based on the fact that such fires can inject soot into the stratosphere, where it can block some direct sunlight from reaching the surface ... | https://en.wikipedia.org/wiki?curid=22171 |
Temple of Olympian Zeus, Athens
The Temple of Olympian Zeus (, ), also known as the Olympieion or Columns of the Olympian Zeus, is a former colossal temple at the center of the Greek capital Athens. It was dedicated to "Olympian" Zeus, a name originating from his position as head of the Olympian gods. Construction beg... | https://en.wikipedia.org/wiki?curid=22189 |
Organic electronics
Organic electronics is a field of materials science concerning the design, synthesis, characterization, and application of organic molecules or polymers that show desirable electronic properties such as conductivity. Unlike conventional inorganic conductors and semiconductors, organic electronic ma... | https://en.wikipedia.org/wiki?curid=22190 |
Operating system
An operating system (OS) is system software that manages computer hardware, software resources, and provides common services for computer programs.
Time-sharing operating systems schedule tasks for efficient use of the system and may also include accounting software for cost allocation of processor t... | https://en.wikipedia.org/wiki?curid=22194 |
Orson Welles
George Orson Welles (May 6, 1915 – October 10, 1985) was an American actor, director, writer and producer who is remembered for his innovative work in radio, theatre and film. He is considered one of the greatest filmmakers of all time.
While in his twenties Welles directed a number of high-profile stage... | https://en.wikipedia.org/wiki?curid=22196 |
Open content
Open content describes any work that others can copy or modify freely by attributing to the original creator, but without needing to ask for permission. This has been applied to a range of formats, including textbooks, academic journals, films and music. The term was an expansion of the related concept of... | https://en.wikipedia.org/wiki?curid=22197 |
Ohio
Ohio is a state in the East North Central region of the Midwestern United States. Of the fifty states, it is the 34th largest by area, the seventh most populous, and the tenth most densely populated. The state's capital and largest city is Columbus. Ohio is bordered by Lake Erie to the north, Pennsylvania to the ... | https://en.wikipedia.org/wiki?curid=22199 |
Organic compound
In chemistry, organic compounds are generally any chemical compounds that contain carbon-hydrogen bonds. Due to carbon's ability to catenate (form chains with other carbon atoms), millions of organic compounds are known. The study of the properties, reactions, and syntheses of organic compounds compri... | https://en.wikipedia.org/wiki?curid=22203 |
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