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https://en.wikipedia.org/wiki/Computer%20magazine | Computer magazines are about computers and related subjects, such as networking and the Internet. Most computer magazines offer (or offered) advice, some offer programming tutorials, reviews of the latest technologies, and advertisements.
History
1940s–1950s
Sources:.
Mathematics of Computation established in 1943, a... |
https://en.wikipedia.org/wiki/Nimber | In mathematics, the nimbers, also called Grundy numbers, are introduced in combinatorial game theory, where they are defined as the values of heaps in the game Nim. The nimbers are the ordinal numbers endowed with nimber addition and nimber multiplication, which are distinct from ordinal addition and ordinal multiplic... |
https://en.wikipedia.org/wiki/Annual%20cycle | An annual cycle refers to a set of changes or events that uniformly, or consistently, take place at the same time of year.
In biology, the annual cycle for plants and animals details behavioral and chemical changes that take place as the seasons advance.
In business, a business cycle refers to the way modelling and a... |
https://en.wikipedia.org/wiki/Semaphore%20%28programming%29 | In computer science, a semaphore is a variable or abstract data type used to control access to a common resource by multiple threads and avoid critical section problems in a concurrent system such as a multitasking operating system. Semaphores are a type of synchronization primitive. A trivial semaphore is a plain vari... |
https://en.wikipedia.org/wiki/Mean%20flow | In fluid dynamics, the fluid flow is often decomposed into a mean flow and deviations from the mean. The averaging can be done either in space or in time, or by ensemble averaging.
Example
Calculation of the mean flow may often be as simple as the mathematical mean: simply add up the given flow rates and then divide t... |
https://en.wikipedia.org/wiki/Atmospheric%20science | Atmospheric science is the study of the Earth's atmosphere and its various inner-working physical processes. Meteorology includes atmospheric chemistry and atmospheric physics with a major focus on weather forecasting. Climatology is the study of atmospheric changes (both long and short-term) that define average climat... |
https://en.wikipedia.org/wiki/Nyquist%20frequency | In signal processing, the Nyquist frequency (or folding frequency), named after Harry Nyquist, is a characteristic of a sampler, which converts a continuous function or signal into a discrete sequence. For a given sampling rate (samples per second), the Nyquist frequency (cycles per second) is the frequency whose cycle... |
https://en.wikipedia.org/wiki/Hannes%20Alfv%C3%A9n | Hannes Olof Gösta Alfvén (; 30 May 1908 – 2 April 1995) was a Swedish electrical engineer, plasma physicist and winner of the 1970 Nobel Prize in Physics for his work on magnetohydrodynamics (MHD). He described the class of MHD waves now known as Alfvén waves. He was originally trained as an electrical power engineer ... |
https://en.wikipedia.org/wiki/Jodrell%20Bank%20Observatory | Jodrell Bank Observatory ( ) in Cheshire, England, hosts a number of radio telescopes as part of the Jodrell Bank Centre for Astrophysics at the University of Manchester. The observatory was established in 1945 by Bernard Lovell, a radio astronomer at the university, to investigate cosmic rays after his work on radar i... |
https://en.wikipedia.org/wiki/Curie%20temperature | In physics and materials science, the Curie temperature (TC), or Curie point, is the temperature above which certain materials lose their permanent magnetic properties, which can (in most cases) be replaced by induced magnetism. The Curie temperature is named after Pierre Curie, who showed that magnetism was lost at a ... |
https://en.wikipedia.org/wiki/INS | INS or Ins may refer to:
Places
Ins, Switzerland, a municipality
Creech Air Force Base (IATA airport code INS)
Indonesia, ITF and UNDP code INS
Biology
Ins, a New World genus of bee flies
INS, the gene for the insulin precursor
Arts, entertainment, and media
Indian Newspaper Society
International News Service,... |
https://en.wikipedia.org/wiki/World%20line | The world line (or worldline) of an object is the path that an object traces in 4-dimensional spacetime. It is an important concept of modern physics, and particularly theoretical physics.
The concept of a "world line" is distinguished from concepts such as an "orbit" or a "trajectory" (e.g., a planet's orbit in space... |
https://en.wikipedia.org/wiki/Ron%20Dembo | Ron Samuel Dembo is an academic and entrepreneur.
Academia
From 1976 to 1986, Dembo served as a professor at Yale University. During this time, he held joint appointments in both the Department of Computer Science and the School of Management. Additionally, he served as a visiting professor at the Massachusetts Insti... |
https://en.wikipedia.org/wiki/LADSPA | LADSPA is an acronym for Linux Audio Developer's Simple Plugin API. It is an application programming interface (API) standard for handling audio filters and audio signal processing effects, licensed under LGPL-2.1-or-later. It was originally designed for Linux through consensus on the Linux Audio Developers Mailing Lis... |
https://en.wikipedia.org/wiki/Square%20matrix | In mathematics, a square matrix is a matrix with the same number of rows and columns. An n-by-n matrix is known as a square matrix of order Any two square matrices of the same order can be added and multiplied.
Square matrices are often used to represent simple linear transformations, such as shearing or rotation. F... |
https://en.wikipedia.org/wiki/Islamic%20philosophy | Islamic philosophy is philosophy that emerges from the Islamic tradition. Two terms traditionally used in the Islamic world are sometimes translated as philosophy—falsafa (), which refers to philosophy as well as logic, mathematics, and physics; and Kalam (), which refers to a rationalist form of Scholastic Islamic the... |
https://en.wikipedia.org/wiki/Transcendence | Transcendence, transcendent, or transcendental may refer to:
Mathematics
Transcendental number, a number that is not the root of any polynomial with rational coefficients
Algebraic element or transcendental element, an element of a field extension that is not the root of any polynomial with coefficients from the bas... |
https://en.wikipedia.org/wiki/Human%20condition | The human condition can be defined as the characteristics and key events of human life, including birth, learning, emotion, aspiration, morality, conflict, and death. This is a very broad topic that has been and continues to be pondered and analyzed from many perspectives, including those of anthropology, art, biology,... |
https://en.wikipedia.org/wiki/Ralph%20Abraham%20%28mathematician%29 | Ralph Herman Abraham (born July 4, 1936) is an American mathematician. He has been a member of the faculty of the University of California, Santa Cruz (where he is currently professor emeritus of mathematics) since 1968.
Life and work
Abraham earned his BSE (1956), MS (1958) and PhD (1960) from the University of Mich... |
https://en.wikipedia.org/wiki/Sides%20of%20an%20equation | In mathematics, LHS is informal shorthand for the left-hand side of an equation. Similarly, RHS is the right-hand side. The two sides have the same value, expressed differently, since equality is symmetric.
More generally, these terms may apply to an inequation or inequality; the right-hand side is everything on the ... |
https://en.wikipedia.org/wiki/Pseudovector | In physics and mathematics, a pseudovector (or axial vector) is a quantity that behaves like a vector in many situations, but its direction does not conform when the object is rigidly transformed by rotation, translation, reflection, etc. This can also happen when the orientation of the space is changed. For example, t... |
https://en.wikipedia.org/wiki/Vorticity%20equation | The vorticity equation of fluid dynamics describes the evolution of the vorticity of a particle of a fluid as it moves with its flow; that is, the local rotation of the fluid (in terms of vector calculus this is the curl of the flow velocity). The governing equation is:where is the material derivative operator, is t... |
https://en.wikipedia.org/wiki/Baroclinity | In fluid dynamics, the baroclinity (often called baroclinicity) of a stratified fluid is a measure of how misaligned the gradient of pressure is from the gradient of density in a fluid. In meteorology a baroclinic flow is one in which the density depends on both temperature and pressure (the fully general case). A sim... |
https://en.wikipedia.org/wiki/Advection | In the field of physics, engineering, and earth sciences, advection is the transport of a substance or quantity by bulk motion of a fluid. The properties of that substance are carried with it. Generally the majority of the advected substance is also a fluid. The properties that are carried with the advected substance a... |
https://en.wikipedia.org/wiki/Heat%20equation | In mathematics and physics, the heat equation is a certain partial differential equation. Solutions of the heat equation are sometimes known as caloric functions. The theory of the heat equation was first developed by Joseph Fourier in 1822 for the purpose of modeling how a quantity such as heat diffuses through a give... |
https://en.wikipedia.org/wiki/Lyapunov%20exponent | In mathematics, the Lyapunov exponent or Lyapunov characteristic exponent of a dynamical system is a quantity that characterizes the rate of separation of infinitesimally close trajectories. Quantitatively, two trajectories in phase space with initial separation vector diverge (provided that the divergence can be trea... |
https://en.wikipedia.org/wiki/Brigitte%20Boisselier | Brigitte Boisselier (born 1956), also known as Brigitte Roehr, is a French chemist and Raëlian religious leader best known for her claim to have overseen the creation of the first human clone. A native of Champagne-Ardenne, she studied chemistry in France and the United States, earning two PhDs. From 1984 to 1997, she ... |
https://en.wikipedia.org/wiki/On%20Numbers%20and%20Games | On Numbers and Games is a mathematics book by John Horton Conway first published in 1976. The book is written by a pre-eminent mathematician, and is directed at other mathematicians. The material is, however, developed in a playful and unpretentious manner and many chapters are accessible to non-mathematicians. Marti... |
https://en.wikipedia.org/wiki/Jonathan%20Weiner | Jonathan Weiner (born November 26, 1953) is an American writer of non-fiction books based on his biological observations, focusing particularly on evolution in the Galápagos Islands, genetics, and the environment.
His latest book is Long for This World: The Strange Science of Immortality (Ecco Press, July 2010) a look... |
https://en.wikipedia.org/wiki/The%20Beak%20of%20the%20Finch | The Beak of the Finch: A Story of Evolution in Our Time () is a 1994 nonfiction book about evolutionary biology, written by Jonathan Weiner. It won the 1995 Pulitzer Prize for General Non-Fiction. In 2014, a substantially unchanged 20th-anniversary edition e-book was issued with a preface by the author.
Content
The ... |
https://en.wikipedia.org/wiki/Phi%20%28disambiguation%29 | Phi (uppercase Φ, lowercase φ, or maths symbol ϕ) is the 21st letter of the Greek alphabet.
Phi or PHI may also refer to:
Science and technology
Mathematics
Golden ratio (φ)
Phi coefficient, a measure of association for two binary variables introduced by Karl Pearson
Euler's totient function or phi function
Inte... |
https://en.wikipedia.org/wiki/Langevin%20equation | In physics, a Langevin equation (named after Paul Langevin) is a stochastic differential equation describing how a system evolves when subjected to a combination of deterministic and fluctuating ("random") forces. The dependent variables in a Langevin equation typically are collective (macroscopic) variables changing o... |
https://en.wikipedia.org/wiki/Poisoning%20%28disambiguation%29 | Poisoning is the action of poison.
Poisoning may also refer to:
Biological toxicity
Toxin
Envenomation, when an animal injects its venom through a bite or sting
Secondary poisoning
Radiation poisoning, a biology concept
Catalyst poisoning, a chemistry concept
Neutron poison, a nuclear physics concept
Route poi... |
https://en.wikipedia.org/wiki/Edwin%20Thompson%20Jaynes | Edwin Thompson Jaynes (July 5, 1922 – April 30, 1998) was the Wayman Crow Distinguished Professor of Physics at Washington University in St. Louis. He wrote extensively on statistical mechanics and on foundations of probability and statistical inference, initiating in 1957 the maximum entropy interpretation of thermody... |
https://en.wikipedia.org/wiki/Incidence%20algebra | In order theory, a field of mathematics, an incidence algebra is an associative algebra, defined for every locally finite partially ordered set
and commutative ring with unity. Subalgebras called reduced incidence algebras give a natural construction of various types of generating functions used in combinatorics and nu... |
https://en.wikipedia.org/wiki/Concrete%20category | In mathematics, a concrete category is a category that is equipped with a faithful functor to the category of sets (or sometimes to another category, see Relative concreteness below). This functor makes it possible to think of the objects of the category as sets with additional structure, and of its morphisms as struct... |
https://en.wikipedia.org/wiki/Unit%20vector | In mathematics, a unit vector in a normed vector space is a vector (often a spatial vector) of length 1. A unit vector is often denoted by a lowercase letter with a circumflex, or "hat", as in (pronounced "v-hat").
The term direction vector, commonly denoted as d, is used to describe a unit vector being used to repre... |
https://en.wikipedia.org/wiki/Twin%20study | Twin studies are studies conducted on identical or fraternal twins. They aim to reveal the importance of environmental and genetic influences for traits, phenotypes, and disorders. Twin research is considered a key tool in behavioral genetics and in related fields, from biology to psychology. Twin studies are part of t... |
https://en.wikipedia.org/wiki/IIT%20Bombay | The Indian Institute of Technology Bombay (IIT Bombay) is a public research university and technical institute in Powai, Mumbai, Maharashtra, India. IIT Bombay is the topmost preferred choice for Indian students in STEM fields such as computer science and engineering.
IIT Bombay was founded in 1958. In 1961, the Parli... |
https://en.wikipedia.org/wiki/Transcription%20%28biology%29 | Transcription is the process of copying a segment of DNA into RNA. The segments of DNA transcribed into RNA molecules that can encode proteins are said to produce messenger RNA (mRNA). Other segments of DNA are copied into RNA molecules called non-coding RNAs (ncRNAs). mRNA comprises only 1–3% of total RNA samples. ... |
https://en.wikipedia.org/wiki/Svend%20%C3%85ge%20Madsen | Svend Åge Madsen ( born 2 November 1939) is a Danish novelist. He studied mathematics before he began writing fiction. His novels are generally philosophical and humorous. Several of his works have been made into films in Denmark. His writings are extensive and has been translated into many languages.
Madsen's writing... |
https://en.wikipedia.org/wiki/Chaperone%20%28protein%29 | In molecular biology, molecular chaperones are proteins that assist the conformational folding or unfolding of large proteins or macromolecular protein complexes. There are a number of classes of molecular chaperones, all of which function to assist large proteins in proper protein folding during or after synthesis, an... |
https://en.wikipedia.org/wiki/Alexander%20Mitchell%20%28engineer%29 | Alexander Mitchell, (13 April 1780 – 25 June 1868) was an Irish engineer who from 1802 was blind. He is known as the inventor of the screw-pile lighthouse.
Born in Dublin, his family moved to Belfast while he was a child, and he received his formal education at Belfast Academy – where he excelled in mathematics.
Orig... |
https://en.wikipedia.org/wiki/Urticales | Urticales is an order of flowering plants. Before molecular phylogenetics became an important part of plant taxonomy, Urticales was recognized in many, perhaps even most, systems of plant classification, with some variations in circumscription. Among these is the Cronquist system (1981), which placed the order in the s... |
https://en.wikipedia.org/wiki/Artturi%20Ilmari%20Virtanen | Artturi Ilmari Virtanen (; 15 January 1895 – 11 November 1973) was a Finnish chemist and recipient of the 1945 Nobel Prize in Chemistry "for his research and inventions in agricultural and nutrition chemistry, especially for his fodder preservation method".
He invented AIV silage which improved milk production and a m... |
https://en.wikipedia.org/wiki/%C3%89tienne-Louis%20Malus | Étienne-Louis Malus (; ; 23 July 1775 – 23 February 1812) was a French officer, engineer, physicist, and mathematician.
Malus was born in Paris, France. He participated in Napoleon's expedition into Egypt (1798 to 1801) and was a member of the mathematics section of the Institut d'Égypte. Malus became a member of the ... |
https://en.wikipedia.org/wiki/Richard%20Threlkeld%20Cox | Richard Threlkeld Cox (August 5, 1898 – May 2, 1991) was a professor of physics at Johns Hopkins University, known for Cox's theorem relating to the foundations of probability.
Biography
He was born in Portland, Oregon, the son of attorney Lewis Cox and Elinor Cox. After Lewis Cox died, Elinor Cox married John Latané,... |
https://en.wikipedia.org/wiki/John%20C.%20Baez | John Carlos Baez (; born June 12, 1961) is an American mathematical physicist and a professor of mathematics at the University of California, Riverside (UCR) in Riverside, California. He has worked on spin foams in loop quantum gravity, applications of higher categories to physics, and applied category theory. Addition... |
https://en.wikipedia.org/wiki/HD | HD may refer to:
Business
H-D or Harley-Davidson, a motorcycle manufacturer
The Home Depot, NYSE stock symbol: HD
Chemistry
Hydrogen deuteride, a diatomic compound of hydrogen and deuterium
Mustard gas
Codes
Air Do, formerly Hokkaido International Airlines, IATA designator
HD postcode area, covering Huddersf... |
https://en.wikipedia.org/wiki/Siemens | Siemens AG ( ) is a German multinational technology conglomerate. Its operations encompass automation and digitalization in the process and manufacturing industries, intelligent infrastructure for buildings and distributed energy systems, rail transport solutions, as well as health technology and digital healthcare se... |
https://en.wikipedia.org/wiki/High-performance%20liquid%20chromatography | High-performance liquid chromatography (HPLC), formerly referred to as high-pressure liquid chromatography, is a technique in analytical chemistry used to separate, identify, and quantify specific components in mixtures. The mixtures can originated from food, chemicals, pharmaceuticals, biological, environmental and ag... |
https://en.wikipedia.org/wiki/Well-ordering%20principle | In mathematics, the well-ordering principle states that every non-empty set of positive integers contains a least element. In other words, the set of positive integers is well-ordered by its "natural" or "magnitude" order in which precedes if and only if is either or the sum of and some positive integer (other ord... |
https://en.wikipedia.org/wiki/Corollary | In mathematics and logic, a corollary ( , ) is a theorem of less importance which can be readily deduced from a previous, more notable statement. A corollary could, for instance, be a proposition which is incidentally proved while proving another proposition; it might also be used more casually to refer to something w... |
https://en.wikipedia.org/wiki/Mathematical%20folklore | In common mathematical parlance, a mathematical result is called folklore if it is an unpublished result with no clear originator, but which is well-circulated and believed to be true among the specialists. More specifically, folk mathematics, or mathematical folklore, is the body of theorems, definitions, proofs, fact... |
https://en.wikipedia.org/wiki/Na%C3%AFve%20physics | Naïve physics or folk physics is the untrained human perception of basic physical phenomena. In the field of artificial intelligence the study of naïve physics is a part of the effort to formalize the common knowledge of human beings.
Many ideas of folk physics are simplifications, misunderstandings, or misperceptions... |
https://en.wikipedia.org/wiki/Centaurus%20%28journal%29 | Centaurus. Journal of the European Society for the History of Science is a quarterly peer-reviewed academic journal covering research on the history of mathematics, science, and technology. It is the official journal of the European Society for the History of Science. The journal was established in 1950. In January 202... |
https://en.wikipedia.org/wiki/Somatic%20cell%20nuclear%20transfer | In genetics and developmental biology, somatic cell nuclear transfer (SCNT) is a laboratory strategy for creating a viable embryo from a body cell and an egg cell. The technique consists of taking an denucleated oocyte (egg cell) and implanting a donor nucleus from a somatic (body) cell. It is used in both therapeutic ... |
https://en.wikipedia.org/wiki/Martinus%20Beijerinck | )
| death_place = Gorssel, Netherlands
| field = Microbiology
| work_institutions = Wageningen UniversityDelft School of Microbiology (founder)
| alma_mater = Leiden University
| known_for = One of the founders of virology, environmental microbiology and general microbiologyConceptual d... |
https://en.wikipedia.org/wiki/Reaction | Reaction may refer to a process or to a response to an action, event, or exposure.
Physics and chemistry
Chemical reaction
Nuclear reaction
Reaction (physics), as defined by Newton's third law
Chain reaction (disambiguation)
Biology and medicine
Adverse drug reaction
Allergic reaction
Reflex, neural reaction
Hyperse... |
https://en.wikipedia.org/wiki/Jacques%20Charles | Jacques Alexandre César Charles (12 November 1746 – 7 April 1823) was a French inventor, scientist, mathematician, and balloonist.
Charles wrote almost nothing about mathematics, and most of what has been credited to him was due to mistaking him with another Jacques Charles, also a member of the Paris Academy of Scienc... |
https://en.wikipedia.org/wiki/CHSH%20inequality | In physics, the CHSH inequality can be used in the proof of Bell's theorem, which states that certain consequences of entanglement in quantum mechanics cannot be reproduced by local hidden-variable theories. Experimental verification of the inequality being violated is seen as confirmation that nature cannot be describ... |
https://en.wikipedia.org/wiki/Dragan%20Maru%C5%A1i%C4%8D | Dragan Marušič (born 1953, Koper, Slovenia) is a Slovene mathematician. Marušič obtained his BSc in technical mathematics from the University of Ljubljana in 1976, and his PhD from the University of Reading in 1981 under the supervision of Crispin Nash-Williams.
Marušič has published extensively, and has supervised se... |
https://en.wikipedia.org/wiki/Necessity%20and%20sufficiency | In logic and mathematics, necessity and sufficiency are terms used to describe a conditional or implicational relationship between two statements. For example, in the conditional statement: "If then ", is necessary for , because the truth of is guaranteed by the truth of . (Equivalently, it is impossible to have wi... |
https://en.wikipedia.org/wiki/Logical%20equivalence | In logic and mathematics, statements and are said to be logically equivalent if they have the same truth value in every model. The logical equivalence of and is sometimes expressed as , , , or , depending on the notation being used.
However, these symbols are also used for material equivalence, so proper interpreta... |
https://en.wikipedia.org/wiki/TOS | TOS may refer to:
General
Terms of service
The original series of a particular media, in contrast to a spin-off
Chemistry
Tosyl, a chemical group
Gy's sampling theory (abbreviation)
Entertainment
Star Trek: The Original Series, a science fiction TV series originally known as Star Trek
Tree of Savior, a mult... |
https://en.wikipedia.org/wiki/Foundations%20of%20mathematics | Foundations of mathematics is the study of the philosophical and logical and/or algorithmic basis of mathematics, or, in a broader sense, the mathematical investigation of what underlies the philosophical theories concerning the nature of mathematics. In this latter sense, the distinction between foundations of mathema... |
https://en.wikipedia.org/wiki/Max%20Delbr%C3%BCck | Max Ludwig Henning Delbrück (; September 4, 1906 – March 9, 1981) was a German–American biophysicist who participated in launching the molecular biology research program in the late 1930s. He stimulated physical scientists' interest into biology, especially as to basic research to physically explain genes, mysterious ... |
https://en.wikipedia.org/wiki/Fifth%20force | In physics, there are four observed fundamental interactions (also known as fundamental forces) that form the basis of all known interactions in nature: gravitational, electromagnetic, strong nuclear, and weak nuclear forces. Some speculative theories have proposed a fifth force to explain various anomalous observation... |
https://en.wikipedia.org/wiki/List%20of%20continuity-related%20mathematical%20topics | In mathematics, the terms continuity, continuous, and continuum are used in a variety of related ways.
Continuity of functions and measures
Continuous function
Absolutely continuous function
Absolute continuity of a measure with respect to another measure
Continuous probability distribution: Sometimes this term ... |
https://en.wikipedia.org/wiki/Outline%20of%20computer%20science | Computer science (also called computing science) is the study of the theoretical foundations of information and computation and their implementation and application in computer systems. One well known subject classification system for computer science is the ACM Computing Classification System devised by the Associatio... |
https://en.wikipedia.org/wiki/Object%20%28computer%20science%29 | In computer science, an object can be a variable, a data structure, a function, or a method. As regions of memory, objects contain a value and are referenced by identifiers.
In the object-oriented programming paradigm, an object can be a combination of variables, functions, and data structures; in particular in class-... |
https://en.wikipedia.org/wiki/Stratification | Stratification may refer to:
Mathematics
Stratification (mathematics), any consistent assignment of numbers to predicate symbols
Data stratification in statistics
Earth sciences
Stable and unstable stratification
Stratification, or stratum, the layering of rocks
Stratification (archeology), the formation of lay... |
https://en.wikipedia.org/wiki/John%20Stewart%20Bell | John Stewart Bell FRS (28 July 1928 – 1 October 1990) was a physicist from Northern Ireland and the originator of Bell's theorem, an important theorem in quantum physics regarding hidden-variable theories.
In 2022, the Nobel Prize in Physics was awarded to Alain Aspect, John Clauser, and Anton Zeilinger for work on Be... |
https://en.wikipedia.org/wiki/Even | Even may refer to:
General
Even (given name), a Norwegian male personal name
Even (surname), a Breton surname
Even (people), an ethnic group from Siberia and Russian Far East
Even language, a language spoken by the Evens
Odd and Even, a solitaire game which is played with two decks of playing cards
Science and te... |
https://en.wikipedia.org/wiki/GHZ%20experiment | The Greenberger–Horne–Zeilinger experiment or GHZ experiments are a class of physics experiments that may be used to generate starkly contrasting predictions from local hidden-variable theory and quantum mechanical theory, and permit immediate comparison with actual experimental results. A GHZ experiment is similar to ... |
https://en.wikipedia.org/wiki/DDC | DDC may stand for:
Computing
Distributed Disaggregated Chassis, an open networking design for a router chassis submitted by AT&T to the Open Compute Project.
Digital distribution copy
Digital down converter, a method in digital signal processing
Display Data Channel, a communication protocol between a graphics card a... |
https://en.wikipedia.org/wiki/Mean%20free%20path | In physics, mean free path is the average distance over which a moving particle (such as an atom, a molecule, or a photon) travels before substantially changing its direction or energy (or, in a specific context, other properties), typically as a result of one or more successive collisions with other particles.
Scatte... |
https://en.wikipedia.org/wiki/Fermi%20energy | The Fermi energy is a concept in quantum mechanics usually referring to the energy difference between the highest and lowest occupied single-particle states in a quantum system of non-interacting fermions at absolute zero temperature.
In a Fermi gas, the lowest occupied state is taken to have zero kinetic energy, where... |
https://en.wikipedia.org/wiki/DC | DC, D.C., D/C, Dc, or dc may refer to:
Places
Washington, D.C. (District of Columbia), the capital city and federal district of the United States of America
Bogotá, Distrito Capital, the capital city of Colombia
Dubai City
Science, technology and mathematics
DC or direct current, electric current which flows ... |
https://en.wikipedia.org/wiki/Normal%20matrix | In mathematics, a complex square matrix is normal if it commutes with its conjugate transpose :
The concept of normal matrices can be extended to normal operators on infinite dimensional normed spaces and to normal elements in C*-algebras. As in the matrix case, normality means commutativity is preserved, to the exte... |
https://en.wikipedia.org/wiki/Shirley%20Ann%20Jackson | Shirley Ann Jackson, (born August 5, 1946) is an American physicist, and was the 18th president of Rensselaer Polytechnic Institute. She is the first African-American woman to have earned a doctorate at the Massachusetts Institute of Technology (MIT) in Theoretical Elementary Particle Physics, and the first African-Am... |
https://en.wikipedia.org/wiki/TTF | TTF may refer to:
Science and technology
TrueType fonts, an outline font standard originally developed by Apple
Tetrathiafulvalene, an organic compound used in materials science
Trend type forecast, an aviation weather forecast
Tumor treating fields (TTFields), a medical therapy to treat cancerous tumors with alte... |
https://en.wikipedia.org/wiki/Step%20function | In mathematics, a function on the real numbers is called a step function if it can be written as a finite linear combination of indicator functions of intervals. Informally speaking, a step function is a piecewise constant function having only finitely many pieces.
Definition and first consequences
A function is call... |
https://en.wikipedia.org/wiki/Ancient%20Greek%20philosophy | Ancient Greek philosophy arose in the 6th century BC. Philosophy was used to make sense of the world using reason. It dealt with a wide variety of subjects, including astronomy, epistemology, mathematics, political philosophy, ethics, metaphysics, ontology, logic, biology, rhetoric and aesthetics. Greek philosophy cont... |
https://en.wikipedia.org/wiki/PNP | PNP may refer to:
Science and technology
Purine nucleoside phosphorylase, an enzyme
4-Nitrophenol or p-nitrophenol
PNP transistor
Theoretical computer science
P versus NP problem
Computing
Plug and play, not requiring configuration
Legacy Plug and Play or Legacy PnP
Perspective-n-Point in computer vision
Org... |
https://en.wikipedia.org/wiki/The%20Unreasonable%20Effectiveness%20of%20Mathematics%20in%20the%20Natural%20Sciences | "The Unreasonable Effectiveness of Mathematics in the Natural Sciences" is a 1960 article by the physicist Eugene Wigner. In this paper, Wigner observes that a physical theory's mathematical structure often points the way to further advances in that theory and even to empirical predictions.
Original paper and Wigner's... |
https://en.wikipedia.org/wiki/Cryptomathic | Cryptomathic is a software company specializing in the area of cryptography for e-commerce security systems. The company develops secure software for the financial and governmental industries. It focuses especially on developing back-end solutions using hardware security modules.
Cryptomathic has its headquarters in A... |
https://en.wikipedia.org/wiki/Group%20III | Group III may refer to:
Chemistry
In the periodic table Group III formerly included these:
Group 13 elements: boron (B), aluminium (Al), gallium (Ga), indium (In), thallium (Tl).
Group 3 elements: scandium (Sc) and yttrium (Y) plus the lanthanide and actinide series elements.
Biology
The dsRNA viruses (e.g. Rotavi... |
https://en.wikipedia.org/wiki/Collision%20detection | Collision detection is the computational problem of detecting the intersection of two or more objects. Collision detection is a classic issue of computational geometry and has applications in various computing fields, primarily in computer graphics, computer games, computer simulations, robotics and computational physi... |
https://en.wikipedia.org/wiki/Z-transform | In mathematics and signal processing, the Z-transform converts a discrete-time signal, which is a sequence of real or complex numbers, into a complex frequency-domain (the z-domain or z-plane) representation.
It can be considered a discrete-time equivalent of the Laplace transform (the s-domain or s-plane). This simil... |
https://en.wikipedia.org/wiki/Computational%20archaeology | Computational archaeology describes computer-based analytical methods for the study of long-term human behaviour and behavioural evolution. As with other sub-disciplines that have prefixed 'computational' to their name (e.g., computational biology, computational physics and computational sociology), the term is reserve... |
https://en.wikipedia.org/wiki/Euxenite | Euxenite, or euxenite-(Y) (the official mineralogical name), is a brownish black mineral with a metallic luster.
Chemistry
It contains calcium, niobium, tantalum, cerium, titanium, yttrium, and typically uranium and thorium, with some other metals. The chemical formula is . It is commonly partially amorphous due to ra... |
https://en.wikipedia.org/wiki/Drag%20equation | In fluid dynamics, the drag equation is a formula used to calculate the force of drag experienced by an object due to movement through a fully enclosing fluid. The equation is:
where
is the drag force, which is by definition the force component in the direction of the flow velocity,
is the mass density of the fluid,... |
https://en.wikipedia.org/wiki/Vessel | Vessel(s) or The Vessel may refer to:
Biology
Blood vessel, a part of the circulatory system and function to transport blood throughout the body
Lymphatic vessel, a thin walled, valved structure that carries lymph
Vessel element, a narrow water transporting tube in plant
Containers
Bowl (vessel), a common open-top c... |
https://en.wikipedia.org/wiki/Brachistochrone%20curve | In physics and mathematics, a brachistochrone curve (), or curve of fastest descent, is the one lying on the plane between a point A and a lower point B, where B is not directly below A, on which a bead slides frictionlessly under the influence of a uniform gravitational field to a given end point in the shortest time.... |
https://en.wikipedia.org/wiki/Lee%20Smolin | Lee Smolin (; born June 6, 1955) is an American theoretical physicist, a faculty member at the Perimeter Institute for Theoretical Physics, an adjunct professor of physics at the University of Waterloo and a member of the graduate faculty of the philosophy department at the University of Toronto. Smolin's 2006 book The... |
https://en.wikipedia.org/wiki/Root%20of%20unity | In mathematics, a root of unity, occasionally called a de Moivre number, is any complex number that yields 1 when raised to some positive integer power . Roots of unity are used in many branches of mathematics, and are especially important in number theory, the theory of group characters, and the discrete Fourier trans... |
https://en.wikipedia.org/wiki/Cyclotomic%20polynomial | In mathematics, the nth cyclotomic polynomial, for any positive integer n, is the unique irreducible polynomial with integer coefficients that is a divisor of and is not a divisor of for any Its roots are all nth primitive roots of unity
, where k runs over the positive integers not greater than n and coprime to n ... |
https://en.wikipedia.org/wiki/Logit | In statistics, the logit ( ) function is the quantile function associated with the standard logistic distribution. It has many uses in data analysis and machine learning, especially in data transformations.
Mathematically, the logit is the inverse of the standard logistic function , so the logit is defined as
Because... |
https://en.wikipedia.org/wiki/Woldemar%20Voigt | Woldemar Voigt (; 2 September 1850 – 13 December 1919) was a German physicist, who taught at the Georg August University of Göttingen. Voigt eventually went on to head the Mathematical Physics Department at Göttingen and was succeeded in 1914 by Peter Debye, who took charge of the theoretical department of the Physica... |
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