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Oligopoly An oligopoly (ολιγοπώλιο) (Greek: ὀλίγοι πωλητές ""few sellers"") is a market form wherein a market or industry is dominated by a small group of large sellers (oligopolists). Oligopolies can result from various forms of collusion that reduce market competition which then typically leads to higher prices for ...
https://en.wikipedia.org/wiki?curid=22204
Oboe The oboe ( ) is a type of double reed woodwind instrument. Oboes are usually made of wood, but may also be made of synthetic materials, such as plastic, resin or hybrid composites. The most common oboe plays in the treble or soprano range. A soprano oboe measures roughly long, with metal keys, a conical bore and ...
https://en.wikipedia.org/wiki?curid=22206
Organic chemistry Organic chemistry is a branch of chemistry that studies the structure, properties and reactions of organic compounds, which contain carbon in covalent bonding. Study of structure determines their chemical composition and formula. Study of properties includes physical and chemical properties, and eval...
https://en.wikipedia.org/wiki?curid=22208
Orthography An orthography is a set of conventions for writing a language. It includes norms of spelling, hyphenation, capitalization, word breaks, emphasis, and punctuation. Most transnational languages in the modern period have a system of writing, and for most such languages a standard orthography has been develop...
https://en.wikipedia.org/wiki?curid=22209
One-time pad In cryptography, the one-time pad (OTP) is an encryption technique that cannot be cracked, but requires the use of a one-time pre-shared key the same size as, or longer than, the message being sent. In this technique, a plaintext is paired with a random secret key (also referred to as "a one-time pad"). T...
https://en.wikipedia.org/wiki?curid=22210
Oelde Oelde () is a town in the district of Warendorf, in North Rhine-Westphalia, Germany. It is located near Beckum. Oelde consists of 5 districts: The neighboring municipalities and cities are clockwise, starting in the north: Oelde is twinned with: The name Oelde was first mentioned in a document around 890 as ...
https://en.wikipedia.org/wiki?curid=22211
Operator (mathematics) In mathematics, an operator is generally a mapping or function that acts on elements of a space to produce elements of another space (possibly the same space, sometimes required to be the same space). There is no general definition of an "operator", but the term is often used in place of "functi...
https://en.wikipedia.org/wiki?curid=22213
O Brother, Where Art Thou? O Brother, Where Art Thou? is a 2000 crime comedy-drama film written, produced, co-edited and directed by Joel and Ethan Coen, and starring George Clooney, John Turturro, and Tim Blake Nelson, with Chris Thomas King, John Goodman, Holly Hunter, and Charles Durning in supporting roles. The f...
https://en.wikipedia.org/wiki?curid=22216
Ohio State University The Ohio State University (commonly Ohio State or OSU) is a public research university in Columbus, Ohio. Founded in 1870 as a land-grant university and the ninth university in Ohio with the Morrill Act of 1862, the university was originally known as the Ohio Agricultural and Mechanical College. ...
https://en.wikipedia.org/wiki?curid=22217
Ontario Ontario is one of the thirteen provinces and territories of Canada. Located in Central Canada, it is Canada's most populous province, with 38.3 percent of the country's population, and is the second-largest province in total area. Ontario is the fourth-largest jurisdiction in total area when the territories of...
https://en.wikipedia.org/wiki?curid=22218
Ottawa Ottawa (, ; Canadian ) is the capital city of Canada. It stands on the south bank of the Ottawa River in the eastern portion of southern Ontario. Ottawa borders Gatineau, Quebec, and forms the core of the Ottawa–Gatineau census metropolitan area (CMA) and the National Capital Region (NCR). As of 2016, Ottawa ha...
https://en.wikipedia.org/wiki?curid=22219
Objectivism Objectivism is a philosophical system developed by Russian-American writer Ayn Rand. Rand first expressed Objectivism in her fiction, most notably "The Fountainhead" (1943) and "Atlas Shrugged" (1957), and later in non-fiction essays and books. Leonard Peikoff, a professional philosopher and Rand's designa...
https://en.wikipedia.org/wiki?curid=22256
Oath of office An oath of office is an oath or affirmation a person takes before assuming the duties of an office, usually a position in government or within a religious body, although such oaths are sometimes required of officers of other organizations. Such oaths are often required by the laws of the state, religiou...
https://en.wikipedia.org/wiki?curid=22258
Ontology Ontology is the philosophical study of being. More broadly, it studies concepts that directly relate to being, in particular becoming, existence, reality, as well as the basic categories of being and their relations. Traditionally listed as a part of the major branch of philosophy known as metaphysics, ontolo...
https://en.wikipedia.org/wiki?curid=22261
Ordovician The Ordovician ( ) is a geologic period and system, the second of six periods of the Paleozoic Era. The Ordovician spans 41.6 million years from the end of the Cambrian Period million years ago (Mya) to the start of the Silurian Period Mya. The Ordovician, named after the Welsh tribe of the Ordovices, was ...
https://en.wikipedia.org/wiki?curid=22265
Oregano Oregano (, ; Origanum vulgare) is a flowering plant in the mint family (Lamiaceae). It is native to temperate Western and Southwestern Eurasia and the Mediterranean region. Oregano is a perennial herb, growing from tall, with opposite leaves long. The flowers are purple, long, produced in erect spikes. It is ...
https://en.wikipedia.org/wiki?curid=22266
Obituary (band) Obituary is an American death metal band formed in Tampa, Florida, in 1984. Initially called Executioner, the band changed its name to Xecutioner in 1986 to avoid confusion with the thrash metal band Executioner from Boston, and then changed its name once again to Obituary in 1988. The band's current l...
https://en.wikipedia.org/wiki?curid=22276
Spider-Man Spider-Man is a fictional superhero created by writer-editor Stan Lee and writer-artist Steve Ditko. He first appeared in the anthology comic book "Amazing Fantasy" #15 (August 1962) in the Silver Age of Comic Books. He appears in American comic books published by Marvel Comics, as well as in a number of mo...
https://en.wikipedia.org/wiki?curid=27936
History of Stockholm The history of Stockholm, capital of Sweden, for many centuries coincided with the development of what is today known as Gamla stan, the Stockholm Old Town. Stockholm's "raison d'être" always was to be the Swedish capital and by far the largest city in the country. The name 'Stockholm' easily spl...
https://en.wikipedia.org/wiki?curid=27939
Culture in Stockholm Apart from being a large city with an active cultural life, Stockholm, the capital of Sweden, houses many national cultural institutions. There are two UNESCO World Heritage sites in the Stockholm County area: the Royal Palace Drottningholm (within Ekerö Municipality) and the Skogskyrkogården (The...
https://en.wikipedia.org/wiki?curid=27940
Stephen R. Lawhead Stephen R. Lawhead (born 2 July 1950) is a UK–based American writer known for his works of fantasy, science fiction, and historical fiction, particularly Celtic historical fiction. He has written over 28 novels and numerous children's and non-fiction books. He was born to Robert Eugene Lawhead and ...
https://en.wikipedia.org/wiki?curid=27946
Servius Tullius Servius Tullius was the legendary sixth king of Rome, and the second of its Etruscan dynasty. He reigned from 575 to 535 BC. Roman and Greek sources describe his servile origins and later marriage to a daughter of Lucius Tarquinius Priscus, Rome's first Etruscan king, who was assassinated in 579 BC. Se...
https://en.wikipedia.org/wiki?curid=27951
Susan B. Anthony Susan B. Anthony (February 15, 1820 – March 13, 1906) was an American social reformer and women's rights activist who played a pivotal role in the women's suffrage movement. Born into a Quaker family committed to social equality, she collected anti-slavery petitions at the age of 17. In 1856, she beca...
https://en.wikipedia.org/wiki?curid=27954
South Carolina South Carolina () is a state in the Southeastern United States and the easternmost of the Deep South. It is bordered to the north by North Carolina, to the southeast by the Atlantic Ocean, and to the southwest by Georgia across the Savannah River. South Carolina became the eighth state to ratify the U....
https://en.wikipedia.org/wiki?curid=27956
Sikhism Sikhi (', or Sikhism (); , from ), is a monotheistic religion that originated in the Punjab region of the Indian subcontinent around the end of the 15th century. It is one of the youngest of the major religions and world's fifth largest organized religion, as well as the world's ninth-largest overall religion...
https://en.wikipedia.org/wiki?curid=27964
Structural isomer A structural isomer, or constitutional isomer (per IUPAC), is a type of isomer in which molecules with the same molecular formula have different bonding patterns and atomic organization, as opposed to stereoisomers, in which molecular bonds are always in the same order and only spatial arrangement di...
https://en.wikipedia.org/wiki?curid=27969
Stereoisomerism In stereochemistry, stereoisomerism, or spatial isomerism, is a form of isomerism in which molecules have the same molecular formula and sequence of bonded atoms (constitution), but differ in the three-dimensional orientations of their atoms in space. This contrasts with structural isomers, which share...
https://en.wikipedia.org/wiki?curid=27970
Sylvia Sayer Sylvia Olive Pleadwell Sayer, Lady Sayer (6 March 1904 – 4 January 2000), was a passionate conservationist and environmental campaigner on behalf of Dartmoor, an area of mostly granite moorland in Devon in the south-west of England. She was chairman of the Dartmoor Preservation Association from 1951 to 19...
https://en.wikipedia.org/wiki?curid=27972
South Park South Park is an American animated sitcom created by Trey Parker and Matt Stone and developed by Brian Graden for the Comedy Central television network. The series revolves around four boys—Stan Marsh, Kyle Broflovski, Eric Cartman, and Kenny McCormick—and their exploits in and around the titular Colorado t...
https://en.wikipedia.org/wiki?curid=27977
Skin Skin is the layer of usually soft, flexible outer tissue covering the body of a vertebrate animal, with three main functions: protection, regulation, and sensation. Other animal coverings, such as the arthropod exoskeleton, have different developmental origin, structure and chemical composition. The adjective cu...
https://en.wikipedia.org/wiki?curid=27978
Sunlight Sunlight is a portion of the electromagnetic radiation given off by the Sun, in particular infrared, visible, and ultraviolet light. On Earth, sunlight is scattered and filtered through Earth's atmosphere, and is obvious as daylight when the Sun is above the horizon. When direct solar radiation is not blocked...
https://en.wikipedia.org/wiki?curid=27979
Stellar evolution Stellar evolution is the process by which a star changes over the course of time. Depending on the mass of the star, its lifetime can range from a few million years for the most massive to trillions of years for the least massive, which is considerably longer than the age of the universe. The table s...
https://en.wikipedia.org/wiki?curid=27980
Snake River The Snake River is a major river of the greater Pacific Northwest region in the United States. At long, it is the largest tributary of the Columbia River, in turn the largest North American river that empties into the Pacific Ocean. The Snake River rises in western Wyoming, then flows through the Snake Riv...
https://en.wikipedia.org/wiki?curid=27982
Strong interaction In nuclear physics and particle physics, the strong interaction is the mechanism responsible for the strong nuclear force, and is one of the four known fundamental interactions, with the others being electromagnetism, the weak interaction, and gravitation. At the range of 10−15 m (1 femtometer), the...
https://en.wikipedia.org/wiki?curid=27984
Stout Stout is a dark, top-fermented beer with a number of variations, including dry stout, Baltic porter, milk stout, and imperial stout. The first known use of the word "stout" for beer was in a document dated 1677 found in the Egerton Manuscripts, the sense being that a "stout beer" was a "strong" beer, not a "dar...
https://en.wikipedia.org/wiki?curid=27991
Slavery Slavery is any system in which principles of property law are applied to people, allowing individuals to own, buy and sell other individuals, as a "de jure" form of property. An enslaved person is unable to withdraw unilaterally from such an arrangement and works without remuneration. Many scholars now use the...
https://en.wikipedia.org/wiki?curid=27992
Supply chain management In commerce, supply chain management (SCM), the management of the flow of goods and services, involves the movement and storage of raw materials, of work-in-process inventory, and of finished goods as well as end to end order fulfillment from point of origin to point of consumption. Interconnec...
https://en.wikipedia.org/wiki?curid=27995
Synchronised swimming Synchronised swimming (in American English, synchronized swimming) or artistic swimming is a hybrid form of swimming, dance, and gymnastics, consisting of swimmers performing a synchronised routine (either solo, duet, trio, mixed duet, free team, free combination, and highlight) of elaborate move...
https://en.wikipedia.org/wiki?curid=27998
Swimming Swimming is the self-propulsion of a person through water, usually for recreation, sport, exercise, or survival. Locomotion is achieved through coordinated movement of the limbs, the body, or both. Humans can hold their breath underwater and undertake rudimentary locomotive swimming within weeks of birth, as ...
https://en.wikipedia.org/wiki?curid=27999
Simple machine A simple machine is a mechanical device that changes the direction or magnitude of a force. In general, they can be defined as the simplest mechanisms that use mechanical advantage (also called leverage) to multiply force. Usually the term refers to the six classical simple machines that were defined by...
https://en.wikipedia.org/wiki?curid=28002
Semi-Automatic Ground Environment The Semi-Automatic Ground Environment (SAGE) was a system of large computers and associated networking equipment that coordinated data from many radar sites and processed it to produce a single unified image of the airspace over a wide area. SAGE directed and controlled the NORAD resp...
https://en.wikipedia.org/wiki?curid=28005
Subgroup In group theory, a branch of mathematics, given a group "G" under a binary operation ∗, a subset "H" of "G" is called a subgroup of "G" if "H" also forms a group under the operation ∗. More precisely, "H" is a subgroup of "G" if the restriction of ∗ to is a group operation on "H". This is usually denoted , re...
https://en.wikipedia.org/wiki?curid=28011
Series Series may refer to:
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Silicon Graphics Silicon Graphics, Inc. (stylized as SiliconGraphics before 1999, later rebranded SGI, historically known as Silicon Graphics Computer Systems or SGCS) was an American high-performance computing manufacturer, producing computer hardware and software. Founded in Mountain View, California in November 198...
https://en.wikipedia.org/wiki?curid=28013
Steiner system In combinatorial mathematics, a Steiner system (named after Jakob Steiner) is a type of block design, specifically a with λ = 1 and "t" ≥ 2. A Steiner system with parameters "t", "k", "n", written S("t","k","n"), is an "n"-element set "S" together with a set of "k"-element subsets of "S" (called blocks...
https://en.wikipedia.org/wiki?curid=28016
Sirius Sirius (, designated α Canis Majoris (Latinized to Alpha Canis Majoris, abbreviated Alpha CMa, α CMa)) is the brightest star in the night sky. Its name is derived from the Greek word "Seirios" "glowing" or "scorching". With a visual apparent magnitude of −1.46, Sirius is almost twice as bright as Canopus, the n...
https://en.wikipedia.org/wiki?curid=28017
Simon Magus Simon Magus (Greek Σίμων ὁ μάγος, Latin: Simon Magus), also known as Simon the Sorcerer or Simon the Magician, was a religious figure whose confrontation with Peter is recorded in Acts . The act of simony, or paying for position and influence in the church, is named after Simon. According to Acts, Simon w...
https://en.wikipedia.org/wiki?curid=28018
School A school is an educational institution designed to provide learning spaces and learning environments for the teaching of students (or "pupils") under the direction of teachers. Most countries have systems of formal education, which is commonly compulsory. In these systems, students progress through a series of ...
https://en.wikipedia.org/wiki?curid=28022
Sontaran The Sontarans () ; are a fictional race of extraterrestrial humanoids created by Robert Holmes for the British science fiction television series "Doctor Who", also seen in spin-off series "The Sarah Jane Adventures". They are a warrior race characterised by their ruthlessness and fearlessness of death. Durin...
https://en.wikipedia.org/wiki?curid=28024
Skateboarding Skateboarding is an action sport that involves riding and performing tricks using a skateboard, as well as a recreational activity, an art form, an entertainment industry job, and a method of transportation. Skateboarding has been shaped and influenced by many skateboarders throughout the years. A 2009 r...
https://en.wikipedia.org/wiki?curid=28027
Speed skating Speed skating is a competitive form of ice skating in which the competitors race each other in travelling a certain distance on skates. Types of speed skating are long track speed skating, short track speed skating, and marathon speed skating. In the Olympic Games, long-track speed skating is usually ref...
https://en.wikipedia.org/wiki?curid=28028
Scanning electron microscope A scanning electron microscope (SEM) is a type of electron microscope that produces images of a sample by scanning the surface with a focused beam of electrons. The electrons interact with atoms in the sample, producing various signals that contain information about the surface topography ...
https://en.wikipedia.org/wiki?curid=28034
Hijackers in the September 11 attacks The hijackers in the September 11 attacks were 19 men affiliated with al-Qaeda. Fifteen of the 19 were citizens of Saudi Arabia, two were from the United Arab Emirates, one from Lebanon, and one from Egypt. The hijackers were organized into four teams, each led by a pilot-trained ...
https://en.wikipedia.org/wiki?curid=28045
Potato The potato is a root vegetable native to the Americas, a starchy tuber of the plant Solanum tuberosum, and the plant itself, a perennial in the family Solanaceae. Wild potato species, originating in modern-day Peru, can be found throughout the Americas, from the United States to southern Chile. The potato was ...
https://en.wikipedia.org/wiki?curid=23501
Portland, Oregon Portland (, ) is the largest and most populous city in the U.S. state of Oregon and the seat of Multnomah County. It is a major port in the Willamette Valley region of the Pacific Northwest, at the confluence of the Willamette and Columbia rivers. As of 2019, Portland had an estimated population of 65...
https://en.wikipedia.org/wiki?curid=23503
Pan and scan Pan and scan is a method of adjusting widescreen film images so that they can be shown in fullscreen proportions of a standard definition 4:3 aspect ratio television screen, often cropping off the sides of the original widescreen image to focus on the composition's most important aspects. Some film direc...
https://en.wikipedia.org/wiki?curid=23506
Plymouth Plymouth () is a port city situated on the south coast of Devon, England, approximately south-west of Exeter and west-south-west of London. Enclosing the city are the mouths of the river Plym and river Tamar, which are naturally incorporated into Plymouth Sound to form a boundary with Cornwall. Plymouth's ea...
https://en.wikipedia.org/wiki?curid=23508
Point-to-Point Protocol In computer networking, Point-to-Point Protocol (PPP) is a data link layer (layer 2) communications protocol between two routers directly without any host or any other networking in between. It can provide connection authentication, transmission encryption, and compression. PPP is used over ma...
https://en.wikipedia.org/wiki?curid=23511
Patterson–Gimlin film Patterson–Gimlin film (also known as the Patterson film or the PGF) is an American short motion picture of an unidentified subject which the filmmakers have said was a Bigfoot. The footage was shot in 1967 in Northern California, and has since been subjected to many attempts to authenticate or de...
https://en.wikipedia.org/wiki?curid=23512
Paul Valéry Ambroise Paul Toussaint Jules Valéry (; 30 October 1871 – 20 July 1945) was a French poet, essayist, and philosopher. In addition to his poetry and fiction (drama and dialogues), his interests included aphorisms on art, history, letters, music, and current events. Valéry was nominated for the Nobel Prize i...
https://en.wikipedia.org/wiki?curid=23519
Proverb A proverb (from ) is a simple, concrete, traditional saying that expresses a perceived truth based on common sense or experience. Proverbs are often metaphorical and use formulaic language. Collectively, they form a genre of folklore. Some proverbs exist in more than one language because people borrow them fr...
https://en.wikipedia.org/wiki?curid=23529
Percopsiformes The Percopsiformes are a small order of ray-finned fishes, comprising the trout-perch and its allies. It contains just ten extant species, grouped into seven genera and three families. Five of these genera are monotypic They are generally small fish, ranging from in adult body length. They inhabit fres...
https://en.wikipedia.org/wiki?curid=23534
Photon The photon is a type of elementary particle. It is the quantum of the electromagnetic field including electromagnetic radiation such as light and radio waves, and the force carrier for the electromagnetic force. Photons are massless, and they always move at the speed of light in vacuum, . Like all elementary p...
https://en.wikipedia.org/wiki?curid=23535
Philipp Franz von Siebold Philipp Franz Balthasar von Siebold (17 February 1796 – 18 October 1866) was a German physician, botanist, and traveler. He achieved prominence by his studies of Japanese flora and fauna and the introduction of Western medicine in Japan. He was the father of the first female Japanese doctor, ...
https://en.wikipedia.org/wiki?curid=23537
Probability interpretations The word probability has been used in a variety of ways since it was first applied to the mathematical study of games of chance. Does probability measure the real, physical tendency of something to occur or is it a measure of how strongly one believes it will occur, or does it draw on both ...
https://en.wikipedia.org/wiki?curid=23538
Probability axioms The Kolmogorov axioms are the foundations of probability theory introduced by Andrey Kolmogorov in 1933. These axioms remain central and have direct contributions to mathematics, the physical sciences, and real-world probability cases. An alternative approach to formalising probability, favoured by ...
https://en.wikipedia.org/wiki?curid=23539
Probability theory Probability theory is the branch of mathematics concerned with probability. Although there are several different probability interpretations, probability theory treats the concept in a rigorous mathematical manner by expressing it through a set of axioms. Typically these axioms formalise probability...
https://en.wikipedia.org/wiki?curid=23542
Probability distribution In probability theory and statistics, a probability distribution is the mathematical function that gives the probabilities of occurrence of different possible outcomes for an experiment. More specifically, the probability distribution is a mathematical description of a random phenomenon in te...
https://en.wikipedia.org/wiki?curid=23543
Psychological statistics Psychological statistics is application of formulas, theorems, numbers and laws to psychology. Statistical Methods for psychology include development and application statistical theory and methods for modeling psychological data. These methods include psychometrics, Factor analysis, Experime...
https://en.wikipedia.org/wiki?curid=23545
Peter Cook Peter Edward Cook (17 November 1937 – 9 January 1995) was an English satirist and comedic actor. He was a leading figure of the British satire boom of the 1960s, and he was associated with the anti-establishment comedic movement that emerged in the United Kingdom in the late 1950s. Born in Torquay, he was ...
https://en.wikipedia.org/wiki?curid=23547
Psychedelic rock Psychedelic rock, also referred to as psychedelia, is a diverse style of rock music inspired, influenced, or representative of psychedelic culture, which is centred on perception-altering hallucinogenic drugs. The music is intended to replicate and enhance the mind-altering experiences of psychedelic ...
https://en.wikipedia.org/wiki?curid=23549
Philips Koninklijke Philips N.V. (literally "Royal Philips", stylized as PHILIPS) is a Dutch multinational conglomerate corporation headquartered in Amsterdam, formerly one of the largest electronics companies in the world, currently focused in the area of health technology, with other divisions being successfully div...
https://en.wikipedia.org/wiki?curid=23550
Pentecostalism Pentecostalism or Classical Pentecostalism is a Protestant Christian movement that emphasises direct personal experience of God through baptism with the Holy Spirit. The term "Pentecostal" is derived from Pentecost, the Greek name for the Jewish Feast of Weeks. For Christians, this event commemorates th...
https://en.wikipedia.org/wiki?curid=23555
Pangenesis Pangenesis was Charles Darwin's hypothetical mechanism for heredity, in which he proposed that each part of the body continually emitted its own type of small organic particles called gemmules that aggregated in the gonads, contributing heritable information to the gametes. He presented this 'provisional hy...
https://en.wikipedia.org/wiki?curid=23558
Proboscidea The Proboscidea (from the Greek and the Latin "proboscis") are a taxonomic order of afrotherian mammals containing one living family (Elephantidae) and several extinct families. This order, first described by J. Illiger in 1811, encompasses the trunked mammals. In addition to their enormous size, later pro...
https://en.wikipedia.org/wiki?curid=23560
Paranthropus Paranthropus is a contested genus of extinct hominins, sometimes referred to as the robust australopithecines, which lived between approximately 2.6 and 0.6 million years ago (mya) from the end of the Pliocene to the Middle Pleistocene. There are two widely accepted species: "P. robustus" and "P. boisei";...
https://en.wikipedia.org/wiki?curid=23561
Odd-toed ungulate The order includes about 17 species divided into three families: Equidae (horses, asses, and zebras), Rhinocerotidae (rhinoceroses), and Tapiridae (tapirs). Despite their very different appearances, they were recognized as related families in the 19th century by the zoologist Richard Owen, who also ...
https://en.wikipedia.org/wiki?curid=23562
Pai gow Pai gow () is a Chinese gambling game, played with a set of 32 Chinese dominoes. It is played in major casinos in China (including Macau); the United States (including Boston, Massachusetts; Las Vegas, Nevada; Reno, Nevada; Connecticut; Atlantic City, New Jersey; Pennsylvania; Mississippi; and cardrooms in Cal...
https://en.wikipedia.org/wiki?curid=23565
Partially ordered set In mathematics, especially order theory, a partially ordered set (also poset) formalizes and generalizes the intuitive concept of an ordering, sequencing, or arrangement of the elements of a set. A poset consists of a set together with a binary relation indicating that, for certain pairs of eleme...
https://en.wikipedia.org/wiki?curid=23572
Parmenides Parmenides of Elea (; ; ) was a pre-Socratic Greek philosopher from Elea in Magna Graecia (meaning "Great Greece," the term which Romans gave to Greek-populated coastal areas in Southern Italy). He is thought to have been in his prime (or "floruit") around 475 BC. Parmenides has been considered the founde...
https://en.wikipedia.org/wiki?curid=23575
Partial function In mathematics, a partial function is a binary relation over two sets that associates to every element of the first set "at most" one element of the second set; it is thus a functional binary relation. It generalizes the concept of a function by not requiring every element of the first set to be assoc...
https://en.wikipedia.org/wiki?curid=23577
Photoelectric effect The photoelectric effect is the emission of electrons when electromagnetic radiation, like light, hits a material. Electrons emitted in this manner are called "photoelectrons". This phenomenon is commonly studied in electronic physics and in fields of chemistry such as quantum chemistry and electr...
https://en.wikipedia.org/wiki?curid=23579
Paleogene The Paleogene ( ; also spelled Palaeogene or Palæogene; informally Lower Tertiary or Early Tertiary) is a geologic period and system that spans 43 million years from the end of the Cretaceous Period million years ago (Mya) to the beginning of the Neogene Period Mya. It is the beginning of the Cenozoic Era of...
https://en.wikipedia.org/wiki?curid=23580
Preorder In mathematics, especially in order theory, a preorder or quasiorder is a binary relation that is reflexive and transitive. Preorders are more general than equivalence relations and (non-strict) partial orders, both of which are special cases of a preorder. An antisymmetric preorder is a partial order, and a ...
https://en.wikipedia.org/wiki?curid=23582
Psychoanalysis Psychoanalysis (from Greek: + ) is a set of theories and therapeutic techniques related to the study of the unconscious mind, which together form a method of treatment for mental disorders. The discipline was established in the early 1890s by Austrian neurologist Sigmund Freud, who retained the term "ps...
https://en.wikipedia.org/wiki?curid=23585
Pinyin Hanyu Pinyin (), often abbreviated to pinyin, is the official romanization system for Standard Chinese in mainland China and to some extent in Taiwan. It is often used to teach Standard Mandarin Chinese, which is normally written using Chinese characters. The system includes four diacritics denoting tones. Piny...
https://en.wikipedia.org/wiki?curid=23588
Parable of the Pearl The Parable of the Pearl (also called the Pearl of Great Price) is one of the parables of Jesus. It appears in and illustrates the great value of the Kingdom of Heaven. This is the penultimate parable in Matthew 13, coming just before the Parable of the Dragnet. It immediately follows the Parable...
https://en.wikipedia.org/wiki?curid=23589
Pantheism Pantheism is the belief that reality is identical with divinity, or that all-things compose an all-encompassing, immanent god. Pantheist belief does not recognize a distinct personal god, anthropomorphic or otherwise, but instead characterizes a broad range of doctrines differing in forms of relationships be...
https://en.wikipedia.org/wiki?curid=23590
Ridley Scott Sir Ridley Scott (born 30 November 1937) is an English filmmaker. He is best known for directing the science fiction horror film "Alien" (1979), the neo-noir dystopian film "Blade Runner" (1982), the road adventure film "Thelma & Louise" (1991), the historical drama film "Gladiator" (2000), the war film "...
https://en.wikipedia.org/wiki?curid=25493
History of the Republic of the Congo The history of the Republic of the Congo has been marked by diverse civilisations: indigenous, French and post-independence. The earliest inhabitants of the region comprising present-day Congo were the Bambuti people. The Bambuti were linked to Pygmy tribes whose Stone Age culture...
https://en.wikipedia.org/wiki?curid=25495
Demographics of the Republic of the Congo This article is about the demographic features of the population of the Republic of the Congo, including population density, ethnicity, education level, health of the populace, economic status, religious affiliations and other aspects of the population. The Republic of the Co...
https://en.wikipedia.org/wiki?curid=25497
Economy of the Republic of the Congo The economy of the Republic of the Congo is a mixture of subsistence hunting and agriculture, an industrial sector based largely on petroleum extraction and support services, and government spending characterized by budget problems and overstaffing. Petroleum has supplanted forest...
https://en.wikipedia.org/wiki?curid=25499
Telecommunications in the Republic of the Congo Telecommunications in the Republic of the Congo include radio, television, fixed and mobile telephones, and the Internet. Most citizens obtain their news from local radio or television stations as there are no nationwide radio or television stations. Stations from nea...
https://en.wikipedia.org/wiki?curid=25500
Transport in the Republic of the Congo Transport in the Republic of the Congo includes land, air and water transportation. The country's rail system was built by forced laborers during the 1930s and largely remains in operation. There are also over 1,000 km of paved roads and two major international airports (Maya-May...
https://en.wikipedia.org/wiki?curid=25501
Armed Forces of the Republic of the Congo The Armed Forces of the Republic of the Congo (), also less formally denoted as the "Forces armées congolaises" or its acronym FAC, are the military forces of the Republic of the Congo. They consist of the Congolese Army, the Congolese Air Force, the , and the . The dissolutio...
https://en.wikipedia.org/wiki?curid=25502
Raging Bull Raging Bull is a 1980 American biographical sports drama film directed by Martin Scorsese, produced by Robert Chartoff and Irwin Winkler and adapted by Paul Schrader and Mardik Martin from Jake LaMotta's 1970 memoir "". The film, distributed by United Artists, stars Robert De Niro as Jake LaMotta, an Itali...
https://en.wikipedia.org/wiki?curid=25506
Roman Empire The Roman Empire (, ; ) was the post-Republican period of ancient Rome. As a polity it included large territorial holdings around the Mediterranean Sea in Europe, Northern Africa, and Western Asia ruled by emperors. From the accession of Caesar Augustus to the military anarchy of the third century, it was...
https://en.wikipedia.org/wiki?curid=25507
Riga Riga (; ; ) is the capital of Latvia and is home to 627,487 inhabitants (2020), which is a third of Latvia's population. Being significantly larger than other cities of Latvia, Riga is the country's primate city. It is also the largest city in the three Baltic states and is home to one tenth of the three Baltic s...
https://en.wikipedia.org/wiki?curid=25508
Reich Reich (; ) is a German word analogous in meaning to the English word "realm". The terms ' (literally "realm of an emperor") and ' (literally "realm of a king") are used in German to refer to empires and kingdoms respectively. The "Cambridge Advanced Learner's Dictionary" indicates that in English usage, the term...
https://en.wikipedia.org/wiki?curid=25519
Reggae Reggae () is a music genre that originated in Jamaica in the late 1960s. The term also denotes the modern popular music of Jamaica and its diaspora. A 1968 single by Toots and the Maytals, "Do the Reggay" was the first popular song to use the word "reggae", effectively naming the genre and introducing it to a g...
https://en.wikipedia.org/wiki?curid=25520