| Nigrotipula | |
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| Nigrotipula nigra | |
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| Genus: | Nigrotipula Hudson & Vane-Wright, 1969 |
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| Tipula nigra | |
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Nigrotipula is a genus of true crane fly.
Palaearctic & India.
In Ancient Chinese philosophy, yin and yang is a concept of dualism, describing how seemingly opposite or contrary forces may actually be complementary, interconnected, and interdependent in the natural world, and how they may give rise to each other as they interrelate to one another. In Chinese cosmology, the universe creates itself out of a primary chaos of material energy, organized into the cycles of Yin and Yang and formed into objects and lives. Yin is the receptive and Yang the active principle, seen in all forms of change and difference such as the annual cycle, the landscape, sexual coupling, the formation of both men and women as characters and sociopolitical history.
Yang Chen-Ning or Chen-Ning Yang, also known as C. N. Yang or by the English name Frank Yang, is a Chinese theoretical physicist who made significant contributions to statistical mechanics, integrable systems, gauge theory, and both particle physics and condensed matter physics. He and Tsung-Dao Lee received the 1957 Nobel Prize in Physics for their work on parity nonconservation of weak interaction. The two proposed that one of the basic quantum-mechanics laws, the conservation of parity, is violated in the so-called weak nuclear reactions, those nuclear processes that result in the emission of beta or alpha particles. Yang is also well known for his collaboration with Robert Mills in developing non-Abelian gauge theory, widely known as the Yang–Mills theory.
Ruminantia is a taxon within the order Artiodactyla that includes many of the well-known large grazing or browsing mammals such as cattle, goats, sheep, deer, and antelope. All members of the Ruminantia employ foregut fermentation and are ruminants: they digest food in two steps, chewing and swallowing in the normal way to begin with, and then regurgitating the semidigested cud to rechew it and thus extract the maximum possible food value.
In mathematical physics, Yang–Mills theory is a gauge theory based on a special unitary group SU(N), or more generally any compact, reductive Lie algebra. Yang–Mills theory seeks to describe the behavior of elementary particles using these non-abelian Lie groups and is at the core of the unification of the electromagnetic force and weak forces as well as quantum chromodynamics, the theory of the strong force. Thus it forms the basis of our understanding of the Standard Model of particle physics.
Jeju, often called Jejueo or Jejuan in English-language scholarship, is a Koreanic language traditionally spoken in Jeju Island, South Korea. While often classified as a divergent Jeju dialect of the Korean language, the variety is referred to as a language in local government and increasingly in both South Korean and foreign academia. Jeju is not mutually intelligible with the mainland dialects of South Korea and much of the language has been altered due to the prevalence of Old Korean.
Gemini (♊︎) is the third astrological sign in the zodiac, originating from the constellation of Gemini. Under the tropical zodiac, the sun transits this sign between about May 21 to June 21. Under the sidereal zodiac, the sun transits this sign from about June 16 to July 16. Gemini is represented by the twins, Castor and Pollux, known as the Dioscuri in Greek mythology. It is a positive, mutable sign. Gemini is associated with the Yang polarity (masculine) in the Yin Yang ancient Chinese concept.
Linguère Department is one of the 45 departments of Senegal, one of the three making up the Louga Region. Its capital is Linguère, and it encompasses an area of 15375 km/sq.
The Brave Archer, also known as Kungfu Warlord, is a 1977 Hong Kong film adapted from Louis Cha's novel The Legend of the Condor Heroes. The film was produced by the Shaw Brothers Studio and directed by Chang Cheh, starring Alexander Fu Sheng and Tanny Tien in the lead roles. The film is the first part of a trilogy and was followed by The Brave Archer 2 (1978) and The Brave Archer 3 (1981). The trilogy has two unofficial sequels, The Brave Archer and His Mate (1982) and Little Dragon Maiden (1983).
The C. N. Yang Institute of Theoretical Physics (YITP) is a research center at Stony Brook University. In 1965, it was the vision of then University President J.S. Toll and Physics Department chair T.A. Pond to create an institute for theoretical physics and invite the famous physicist Chen Ning Yang from Institute for Advanced Study to serve as its director with the Albert Einstein Professorship of Physics. While the center is often referred to as "YITP", this can be confusing as YITP also stands for the Yukawa Institute for Theoretical Physics in Japan.
Alexander Borisovich Zamolodchikov is a Russian physicist, known for his contributions to condensed matter physics, two-dimensional conformal field theory, and string theory, and is currently the C.N. Yang/Wei Deng Endowed Chair of Physics at Stony Brook University.
Mamenchisauridae is a family of sauropod dinosaurs known from the Jurassic and Early Cretaceous of Asia and Africa.
Baotianmansaurus is a genus of titanosaur sauropod dinosaur. Its fossils have been found in Upper Cretaceous rocks in Henan, China, within the Gaogou Formation. The type species is B. henanensis, described in 2009. The holotype is 41H III-0200. Remains of the fossils were vertebrae, ribs and scapula fragments. It was probably a close relative of Opisthocoelicaudia and Dongyangosaurus in Saltasauridae.
The Battle of Unsan, also known as the Battle of Yunshan, was a series of engagements of the Korean War that took place from 25 October to 4 November 1950 near Unsan, North Pyongan province in present-day North Korea. As part of the People's Republic of China's First Phase Campaign, the People's Volunteer Army (PVA) made repeated attacks against the Republic of Korea Army (ROK) 1st Infantry Division near Unsan beginning on 25 October, in an attempt to take advancing United Nations Command (UNC) forces by surprise. In an accidental first encounter with the United States military, the PVA 39th Corps attacked the unprepared U.S. 8th Cavalry Regiment in Unsan on 1 November, resulting in one of the most devastating U.S. losses of the war.
Nephrotoma is a genus of crane flies.
Nikita Alexandrovich Nekrasov is a mathematical and theoretical physicist at the Simons Center for Geometry and Physics and C.N.Yang Institute for Theoretical Physics at Stony Brook University in New York, and a Professor of the Russian Academy of Sciences.
N = 4 supersymmetric Yang–Mills (SYM) theory is a mathematical and physical model created to study particles through a simple system, similar to string theory, with conformal symmetry. It is a simplified toy theory based on Yang–Mills theory that does not describe the real world, but is useful because it can act as a proving ground for approaches for attacking problems in more complex theories. It describes a universe containing boson fields and fermion fields which are related by 4 supersymmetries. It is one of the simplest and one of the few finite quantum field theories in 4 dimensions. It can be thought of as the most symmetric field theory that does not involve gravity.
In mathematics and theoretical physics, an amplituhedron is a geometric structure introduced in 2013 by Nima Arkani-Hamed and Jaroslav Trnka. It enables simplified calculation of particle interactions in some quantum field theories. In planar N = 4 supersymmetric Yang–Mills theory, also equivalent to the perturbative topological B model string theory in twistor space, an amplituhedron is defined as a mathematical space known as the positive Grassmannian.
Andrew M. Yang is an American businessman, politician, political commentator, philanthropist, and author. Originally a lawyer, Yang began working in startups and early stage growth companies as a founder or executive from 2000 to 2009. In 2011, he founded Venture for America (VFA), a nonprofit organization focused on creating jobs in cities struggling to recover from the Great Recession. He ran in the 2020 Democratic presidential primaries, and is running as a Democrat in the 2021 New York City mayoral election.
Jenny Yue-fon Yang is an American chemist. She is an associate professor of chemistry at the University of California, Irvine where she leads a research group focused on inorganic chemistry, catalysis, and solar fuels.