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994097 | https://en.wikipedia.org/wiki/Auditory%20cortex | Auditory cortex | The auditory cortex is the part of the temporal lobe that processes auditory information in humans and many other vertebrates. It is a part of the auditory system, performing basic and higher functions in hearing, such as possible relations to language switching. It is located bilaterally, roughly at the upper sides o... | Biology and health sciences | Sensory nervous system | Biology |
994489 | https://en.wikipedia.org/wiki/Pomfret | Pomfret | Pomfrets are scombriform fish belonging to the family Bramidae. The family currently includes 20 species across seven genera. Several species are important food sources for humans, especially Brama brama in South Asia. The earlier form of the pomfret's name was "", a word which probably ultimately comes from Portugues... | Biology and health sciences | Acanthomorpha | Animals |
995939 | https://en.wikipedia.org/wiki/PortMiami | PortMiami | The Port of Miami, styled as PortMiami and formally known as the Dante B. Fascell Port of Miami, is a major seaport located in Biscayne Bay at the mouth of the Miami River in Miami, Florida. It is the largest passenger port in the world and one of the largest cargo ports in the United States.
The port is located on D... | Technology | Specific piers and ports | null |
996278 | https://en.wikipedia.org/wiki/Molecular%20geometry | Molecular geometry | Molecular geometry is the three-dimensional arrangement of the atoms that constitute a molecule. It includes the general shape of the molecule as well as bond lengths, bond angles, torsional angles and any other geometrical parameters that determine the position of each atom.
Molecular geometry influences several prop... | Physical sciences | Bond structure | Chemistry |
996322 | https://en.wikipedia.org/wiki/Lavender%20%28color%29 | Lavender (color) | Lavender is a light shade of purple or violet. It applies particularly to the color of the flower of the same name. The web color called lavender is displayed adjacent—it matches the color of the palest part of the flower; however, the more saturated color shown as floral lavender more closely matches the average color... | Physical sciences | Colors | Physics |
2185979 | https://en.wikipedia.org/wiki/Loellingite | Loellingite | Loellingite, also spelled löllingite, is an iron arsenide mineral with formula FeAs2. It is often found associated with arsenopyrite (FeAsS) from which it is hard to distinguish. Cobalt, nickel and sulfur substitute in the structure. The orthorhombic lollingite group includes the nickel iron arsenide rammelsbergite and... | Physical sciences | Minerals | Earth science |
2187085 | https://en.wikipedia.org/wiki/Nymphaea%20lotus | Nymphaea lotus | Nymphaea lotus, the white Egyptian lotus, tiger lotus, white lotus, or Egyptian water-lily, is a flowering plant of the family Nymphaeaceae.
Distribution
It grows in various parts of East Africa and Southeast Asia. Nymphaea lotus var. thermalis was believed to be a Tertiary relict variety endemic to the thermal waters... | Biology and health sciences | Nymphaeales | Plants |
2187296 | https://en.wikipedia.org/wiki/Disaster%20response | Disaster response | Disaster response refers to the actions taken directly before, during, or immediately after a disaster. The objective is to save lives, ensure health and safety, and meet the subsistence needs of the people affected. It includes warning and evacuation, search and rescue, providing immediate assistance, assessing damage... | Physical sciences | Earth science basics: General | Earth science |
2188079 | https://en.wikipedia.org/wiki/Anguinae | Anguinae | Anguinae is a subfamily of legless lizards in the family Anguidae, commonly called glass lizards, glass snakes or slow worms. The first two names come from the fact their tails easily break or snap off. Members of Anguinae are native to North America, Europe, Asia, and North Africa.
Evolution
They first appeared in E... | Biology and health sciences | Lizards and other Squamata | Animals |
2188689 | https://en.wikipedia.org/wiki/Weather%20front | Weather front | A weather front is a boundary separating air masses for which several characteristics differ, such as air density, wind, temperature, and humidity. Disturbed and unstable weather due to these differences often arises along the boundary. For instance, cold fronts can bring bands of thunderstorms and cumulonimbus precipi... | Physical sciences | Meteorology: General | null |
9372603 | https://en.wikipedia.org/wiki/Olericulture | Olericulture | Olericulture is the science of vegetable growing, dealing with the culture of non-woody (herbaceous) plants for food.
Olericulture is the production of plants for use of the edible parts. Vegetable crops can be classified into nine major categories:
Potherbs and greens – spinach and collards
Salad crops – lettuce,... | Technology | Agriculture_2 | null |
11848762 | https://en.wikipedia.org/wiki/Root%20canal%20treatment | Root canal treatment | Root canal treatment (also known as endodontic therapy, endodontic treatment, or root canal therapy) is a treatment sequence for the infected pulp of a tooth that is intended to result in the elimination of infection and the protection of the decontaminated tooth from future microbial invasion. It is generally done whe... | Biology and health sciences | Dental treatments | Health |
11857262 | https://en.wikipedia.org/wiki/Herpes%20gladiatorum | Herpes gladiatorum | Herpes gladiatorum is one of the most infectious of herpes-caused diseases, and is transmissible by skin-to-skin contact. The disease was first described in the 1960s in the New England Journal of Medicine. It is caused by contagious infection with human herpes simplex virus type 1 (HSV-1), which more commonly causes ... | Biology and health sciences | Viral diseases | Health |
3022746 | https://en.wikipedia.org/wiki/Macrauchenia | Macrauchenia | Macrauchenia ("long llama", based on the now-invalid llama genus, Auchenia, from Greek "big neck") is an extinct genus of large ungulate native to South America from the Pliocene or Middle Pleistocene to the end of the Late Pleistocene. It is a member of the extinct order Litopterna, a group of South American native un... | Biology and health sciences | Mammals: General | Animals |
3024615 | https://en.wikipedia.org/wiki/Finite%20potential%20well | Finite potential well | The finite potential well (also known as the finite square well) is a concept from quantum mechanics. It is an extension of the infinite potential well, in which a particle is confined to a "box", but one which has finite potential "walls". Unlike the infinite potential well, there is a probability associated with the ... | Physical sciences | Quantum mechanics | Physics |
3025876 | https://en.wikipedia.org/wiki/Electric%20bicycle | Electric bicycle | An electric bicycle, e-bike, electrically assisted pedal cycle, or electrically power assisted cycle is a motorized bicycle with an integrated electric motor used to assist propulsion. Many kinds of e-bikes are available worldwide, but they generally fall into two broad categories: bikes that assist the rider's pedal-p... | Technology | Human-powered transport | null |
8707643 | https://en.wikipedia.org/wiki/Electronic%20circuit | Electronic circuit | An electronic circuit is composed of individual electronic components, such as resistors, transistors, capacitors, inductors and diodes, connected by conductive wires or traces through which electric current can flow. It is a type of electrical circuit. For a circuit to be referred to as electronic, rather than electri... | Technology | Electronics: General | null |
8708317 | https://en.wikipedia.org/wiki/Saltasauridae | Saltasauridae | Saltasauridae (named after the Salta region of Argentina where they were first found) is a family of armored herbivorous sauropods from the Upper Cretaceous. They are known from fossils found in South America, Africa, Asia, North America, and Europe. They are characterized by their vertebrae and feet, which are similar... | Biology and health sciences | Sauropods | Animals |
8712750 | https://en.wikipedia.org/wiki/E-reader | E-reader | An e-reader, also called an e reader or e device, is a mobile electronic device that is designed primarily for the purpose of reading digital e-books and periodicals.
Any device that can display text on a screen may act as an e-reader; however, specialized e-reader devices may optimize portability, readability, and ba... | Technology | Printing | null |
5523577 | https://en.wikipedia.org/wiki/Foreland%20basin | Foreland basin | A foreland basin is a structural basin that develops adjacent and parallel to a mountain belt. Foreland basins form because the immense mass created by crustal thickening associated with the evolution of a mountain belt causes the lithosphere to bend, by a process known as lithospheric flexure. The width and depth of t... | Physical sciences | Tectonics | Earth science |
5526595 | https://en.wikipedia.org/wiki/Power%20hammer | Power hammer | Power hammers are mechanical forging hammers that use an electrical power source or steam to raise the hammer preparatory to striking, and accelerate it onto the work being hammered. They are also called open die power forging hammers. They have been used by blacksmiths, bladesmiths, metalworkers, and manufacturers si... | Technology | Metallurgy | null |
5529757 | https://en.wikipedia.org/wiki/Fundamental%20thermodynamic%20relation | Fundamental thermodynamic relation | In thermodynamics, the fundamental thermodynamic relation are four fundamental equations which demonstrate how four important thermodynamic quantities depend on variables that can be controlled and measured experimentally. Thus, they are essentially equations of state, and using the fundamental equations, experimental ... | Physical sciences | Thermodynamics | Physics |
5530147 | https://en.wikipedia.org/wiki/Herbig%20Ae/Be%20star | Herbig Ae/Be star | A Herbig Ae/Be star (HAeBe) is a pre-main-sequence star – a young () star of spectral types A or B. These stars are still embedded in gas-dust envelopes and are sometimes accompanied by circumstellar disks. Hydrogen and calcium emission lines are observed in their spectra. They are 2-8 Solar mass () objects, still exis... | Physical sciences | Stellar astronomy | Astronomy |
7205947 | https://en.wikipedia.org/wiki/Young%20stellar%20object | Young stellar object | Young stellar object (YSO) denotes a star in its early stage of evolution. This class consists of two groups of objects: protostars and pre-main-sequence stars.
Classification by spectral energy distribution
A star forms by accumulation of material that falls in to a protostar from a circumstellar disk or envelope. Ma... | Physical sciences | Stellar astronomy | Astronomy |
1546365 | https://en.wikipedia.org/wiki/Barreleye | Barreleye | Barreleyes, also known as spook fish (a name also applied to several species of chimaera), are small deep-sea argentiniform fish comprising the family Opisthoproctidae found in tropical-to-temperate waters of the Atlantic, Pacific, and Indian Oceans.
These fish are named because of their barrel-shaped, tubular eyes, w... | Biology and health sciences | Osmeriformes and relatives | Animals |
1546516 | https://en.wikipedia.org/wiki/Sailfish | Sailfish | The sailfish is one of two species of marine fish in the genus Istiophorus, which belong to the family Istiophoridae (marlins). They are predominantly blue to gray in colour and have a characteristically large dorsal fin known as the sail, which often stretches the entire length of the back. Another notable characteri... | Biology and health sciences | Acanthomorpha | Animals |
1549177 | https://en.wikipedia.org/wiki/Chino%20cloth | Chino cloth | Chino cloth ( ) is a twill fabric originally made from pure cotton. The most common items made from it, trousers, are widely called chinos. Today it is also found in cotton-synthetic blends.
Developed in the mid-19th century for British and French military uniforms, it has since migrated into civilian wear. Trousers o... | Technology | Fabrics and fibers | null |
1551135 | https://en.wikipedia.org/wiki/Absorption%20band | Absorption band | In spectroscopy, an absorption band is a range of wavelengths, frequencies or energies in the electromagnetic spectrum that are characteristic of a particular transition from initial to final state in a substance.
According to quantum mechanics, atoms and molecules can only hold certain defined quantities of energy, o... | Physical sciences | Electromagnetic radiation | Physics |
4668 | https://en.wikipedia.org/wiki/Binomial%20coefficient | Binomial coefficient | In mathematics, the binomial coefficients are the positive integers that occur as coefficients in the binomial theorem. Commonly, a binomial coefficient is indexed by a pair of integers and is written It is the coefficient of the term in the polynomial expansion of the binomial power ; this coefficient can be comput... | Mathematics | Combinatorics | null |
4674 | https://en.wikipedia.org/wiki/B-tree | B-tree | In computer science, a B-tree is a self-balancing tree data structure that maintains sorted data and allows searches, sequential access, insertions, and deletions in logarithmic time. The B-tree generalizes the binary search tree, allowing for nodes with more than two children. Unlike other self-balancing binary search... | Mathematics | Data structures and types | null |
4677 | https://en.wikipedia.org/wiki/Binomial%20theorem | Binomial theorem | In elementary algebra, the binomial theorem (or binomial expansion) describes the algebraic expansion of powers of a binomial. According to the theorem, the power expands into a polynomial with terms of the form , where the exponents and are nonnegative integers satisfying and the coefficient of each term is a spe... | Mathematics | Elementary algebra | null |
4700 | https://en.wikipedia.org/wiki/Bessel%20function | Bessel function | Bessel functions, first defined by the mathematician Daniel Bernoulli and then generalized by Friedrich Bessel, are canonical solutions of Bessel's differential equation
for an arbitrary complex number , which represents the order of the Bessel function. Although and produce the same differential equation, it is co... | Mathematics | Specific functions | null |
4715 | https://en.wikipedia.org/wiki/Boolean%20satisfiability%20problem | Boolean satisfiability problem | In logic and computer science, the Boolean satisfiability problem (sometimes called propositional satisfiability problem and abbreviated SATISFIABILITY, SAT or B-SAT) asks whether there exists an interpretation that satisfies a given Boolean formula. In other words, it asks whether the formula's variables can be consis... | Mathematics | Complexity theory | null |
4746 | https://en.wikipedia.org/wiki/Plague%20%28disease%29 | Plague (disease) | Plague is an infectious disease caused by the bacterium Yersinia pestis. Symptoms include fever, weakness and headache. Usually this begins one to seven days after exposure. There are three forms of plague, each affecting a different part of the body and causing associated symptoms. Pneumonic plague infects the lungs, ... | Biology and health sciences | Bacterial infections | Health |
4751 | https://en.wikipedia.org/wiki/Bacillus | Bacillus | Bacillus (Latin "stick") is a genus of Gram-positive, rod-shaped bacteria, a member of the phylum Bacillota, with 266 named species. The term is also used to describe the shape (rod) of other so-shaped bacteria; and the plural Bacilli is the name of the class of bacteria to which this genus belongs. Bacillus species ca... | Biology and health sciences | Gram-positive bacteria | Plants |
4781 | https://en.wikipedia.org/wiki/Benzodiazepine | Benzodiazepine | Benzodiazepines (BZD, BDZ, BZs), colloquially known as "benzos", are a class of depressant drugs whose core chemical structure is the fusion of a benzene ring and a diazepine ring. They are prescribed to treat conditions such as anxiety disorders, insomnia, and seizures. The first benzodiazepine, chlordiazepoxide (Libr... | Biology and health sciences | Drugs and pharmacology | null |
4788 | https://en.wikipedia.org/wiki/Body%20mass%20index | Body mass index | Body mass index (BMI) is a value derived from the mass (weight) and height of a person. The BMI is defined as the body mass divided by the square of the body height, and is expressed in units of kg/m2, resulting from mass in kilograms (kg) and height in metres (m).
The BMI may be determined first by measuring its comp... | Biology and health sciences | Health and fitness | null |
4802 | https://en.wikipedia.org/wiki/Biome | Biome | A biome () is a distinct geographical region with specific climate, vegetation, and animal life. It consists of a biological community that has formed in response to its physical environment and regional climate. Biomes may span more than one continent. A biome encompasses multiple ecosystems within its boundaries. It ... | Biology and health sciences | Ecology | null |
4816 | https://en.wikipedia.org/wiki/Biosphere | Biosphere | The biosphere (), also called the ecosphere (), is the worldwide sum of all ecosystems. It can also be termed the zone of life on the Earth. The biosphere (which is technically a spherical shell) is virtually a closed system with regard to matter, with minimal inputs and outputs. Regarding energy, it is an open system,... | Biology and health sciences | Ecology | null |
4817 | https://en.wikipedia.org/wiki/Biological%20membrane | Biological membrane | A biological membrane, biomembrane or cell membrane is a selectively permeable membrane that separates the interior of a cell from the external environment or creates intracellular compartments by serving as a boundary between one part of the cell and another. Biological membranes, in the form of eukaryotic cell membra... | Biology and health sciences | Cell parts | Biology |
4827 | https://en.wikipedia.org/wiki/Biomedical%20engineering | Biomedical engineering | Biomedical engineering (BME) or medical engineering is the application of engineering principles and design concepts to medicine and biology for healthcare applications (e.g., diagnostic or therapeutic purposes). BME is also traditionally logical sciences to advance health care treatment, including diagnosis, monitorin... | Technology | Disciplines | null |
4831 | https://en.wikipedia.org/wiki/Bohr%20model | Bohr model | In atomic physics, the Bohr model or Rutherford–Bohr model was the first successful model of the atom. Developed from 1911 to 1918 by Niels Bohr and building on Ernest Rutherford's nuclear model, it supplanted the plum pudding model of J J Thomson only to be replaced by the quantum atomic model in the 1920s. It consis... | Physical sciences | Atomic physics | null |
4882 | https://en.wikipedia.org/wiki/Background%20radiation | Background radiation | Background radiation is a measure of the level of ionizing radiation present in the environment at a particular location which is due to deliberate introduction of radiation sources.
Background radiation originates from a variety of sources, both natural and artificial. These include both cosmic radiation and environ... | Physical sciences | Physics basics: General | Physics |
4910 | https://en.wikipedia.org/wiki/Beryl | Beryl | Beryl ( ) is a mineral composed of beryllium aluminium silicate with the chemical formula Be3Al2Si6O18. Well-known varieties of beryl include emerald and aquamarine. Naturally occurring hexagonal crystals of beryl can be up to several meters in size, but terminated crystals are relatively rare. Pure beryl is colorless... | Physical sciences | Silicate minerals | Earth science |
4918 | https://en.wikipedia.org/wiki/Bipolar%20I%20disorder | Bipolar I disorder | Bipolar I disorder (BD-I; pronounced "type one bipolar disorder") is a type of bipolar spectrum disorder characterized by the occurrence of at least one manic episode, with or without mixed or psychotic features. Most people also, at other times, have one or more depressive episodes. Typically, these manic episodes can... | Biology and health sciences | Mental disorders | Health |
4925 | https://en.wikipedia.org/wiki/Blue%20whale | Blue whale | The blue whale (Balaenoptera musculus) is a marine mammal and a baleen whale. Reaching a maximum confirmed length of and weighing up to , it is the largest animal known ever to have existed. The blue whale's long and slender body can be of various shades of greyish-blue on its upper surface and somewhat lighter undern... | Biology and health sciences | Cetaceans | null |
4944 | https://en.wikipedia.org/wiki/Naive%20set%20theory | Naive set theory | Naive set theory is any of several theories of sets used in the discussion of the foundations of mathematics.
Unlike axiomatic set theories, which are defined using formal logic, naive set theory is defined informally, in natural language. It describes the aspects of mathematical sets familiar in discrete mathematics (... | Mathematics | Discrete mathematics | null |
4947 | https://en.wikipedia.org/wiki/B%C3%A9zout%27s%20identity | Bézout's identity | In mathematics, Bézout's identity (also called Bézout's lemma), named after Étienne Bézout who proved it for polynomials, is the following theorem:
Here the greatest common divisor of and is taken to be . The integers and are called Bézout coefficients for ; they are not unique. A pair of Bézout coefficients can b... | Mathematics | Diophantine equations | null |
4952 | https://en.wikipedia.org/wiki/Rockwell%20B-1%20Lancer | Rockwell B-1 Lancer | The Rockwell B-1 Lancer is a supersonic variable-sweep wing, heavy bomber used by the United States Air Force. It has been nicknamed the "Bone" (from "B-One"). , it is one of the United States Air Force's three strategic bombers, along with the B-2 Spirit and the B-52 Stratofortress. Its 75,000-pound (34,000 kg) payloa... | Technology | Specific aircraft | null |
5047 | https://en.wikipedia.org/wiki/Biotite | Biotite | Biotite is a common group of phyllosilicate minerals within the mica group, with the approximate chemical formula . It is primarily a solid-solution series between the iron-endmember annite, and the magnesium-endmember phlogopite; more aluminous end-members include siderophyllite and eastonite. Biotite was regarded as... | Physical sciences | Silicate minerals | Earth science |
5131 | https://en.wikipedia.org/wiki/Chordate | Chordate | A chordate ( ) is a deuterostomal bilaterian animal belonging to the phylum Chordata ( ). All chordates possess, at some point during their larval or adult stages, five distinctive physical characteristics (synapomorphies) that distinguish them from other taxa. These five synapomorphies are a notochord, a hollow dorsal... | Biology and health sciences | General classification | null |
5170 | https://en.wikipedia.org/wiki/Combinatorics | Combinatorics | Combinatorics is an area of mathematics primarily concerned with counting, both as a means and as an end to obtaining results, and certain properties of finite structures. It is closely related to many other areas of mathematics and has many applications ranging from logic to statistical physics and from evolutionary b... | Mathematics | Discrete mathematics | null |
5176 | https://en.wikipedia.org/wiki/Calculus | Calculus | Calculus is the mathematical study of continuous change, in the same way that geometry is the study of shape, and algebra is the study of generalizations of arithmetic operations.
Originally called infinitesimal calculus or "the calculus of infinitesimals", it has two major branches, differential calculus and integral... | Mathematics | Analysis | null |
5180 | https://en.wikipedia.org/wiki/Chemistry | Chemistry | Chemistry is the scientific study of the properties and behavior of matter. It is a physical science within the natural sciences that studies the chemical elements that make up matter and compounds made of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during ... | Physical sciences | Science and medicine | null |
5184 | https://en.wikipedia.org/wiki/Cytoplasm | Cytoplasm | The cytoplasm describes all the material within a eukaryotic or prokaryotic cell, enclosed by the cell membrane, including the organelles and excluding the nucleus in eukaryotic cells. The material inside the nucleus of a eukaryotic cell and contained within the nuclear membrane is termed the nucleoplasm. The main comp... | Biology and health sciences | Organelles and other cell parts | null |
5213 | https://en.wikipedia.org/wiki/Computing | Computing | Computing is any goal-oriented activity requiring, benefiting from, or creating computing machinery. It includes the study and experimentation of algorithmic processes, and the development of both hardware and software. Computing has scientific, engineering, mathematical, technological, and social aspects. Major comput... | Technology | Basics_3 | null |
5218 | https://en.wikipedia.org/wiki/Central%20processing%20unit | Central processing unit | A central processing unit (CPU), also called a central processor, main processor, or just processor, is the primary processor in a given computer. Its electronic circuitry executes instructions of a computer program, such as arithmetic, logic, controlling, and input/output (I/O) operations. This role contrasts with tha... | Technology | Computer hardware | null |
5221 | https://en.wikipedia.org/wiki/Carnivora | Carnivora | Carnivora ( ) is an order of placental mammals specialized primarily in eating flesh, whose members are formally referred to as carnivorans. The order Carnivora is the sixth largest order of mammals, comprising at least 279 species on every major landmass and in a variety of habitats, ranging from the cold polar region... | Biology and health sciences | Carnivora | null |
5232 | https://en.wikipedia.org/wiki/Chondrichthyes | Chondrichthyes | Chondrichthyes (; ) is a class of jawed fish that contains the cartilaginous fish or chondrichthyans, which all have skeletons primarily composed of cartilage. They can be contrasted with the Osteichthyes or bony fish, which have skeletons primarily composed of bone tissue. Chondrichthyes are aquatic vertebrates with p... | Biology and health sciences | Fishes | null |
5236 | https://en.wikipedia.org/wiki/Coast | Coast | A coastalso called the coastline, shoreline, or seashoreis the land next to the sea or the line that forms the boundary between the land and the ocean or a lake. Coasts are influenced by the topography of the surrounding landscape, as well as by water induced erosion, such as waves. The geological composition of rock a... | Physical sciences | Oceanic and coastal landforms | null |
5237 | https://en.wikipedia.org/wiki/Catatonia | Catatonia | Catatonia is a complex syndrome, most commonly seen in people with underlying mood disorders, such as major depressive disorder, or psychotic disorders, such as schizophrenia. People with catatonia have abnormal movement and behaviors, which vary from person to person and fluctuate in intensity within a single episode... | Biology and health sciences | Mental disorders | Health |
5244 | https://en.wikipedia.org/wiki/Cipher | Cipher | In cryptography, a cipher (or cypher) is an algorithm for performing encryption or decryption—a series of well-defined steps that can be followed as a procedure. An alternative, less common term is encipherment. To encipher or encode is to convert information into cipher or code. In common parlance, "cipher" is synonym... | Technology | Computer security | null |
5267 | https://en.wikipedia.org/wiki/Constellation | Constellation | A constellation is an area on the celestial sphere in which a group of visible stars forms a perceived pattern or outline, typically representing an animal, mythological subject, or inanimate object.
The first constellations were likely defined in prehistory. People used them to relate stories of their beliefs, experi... | Physical sciences | Constellations | null |
5272 | https://en.wikipedia.org/wiki/Printer%20%28computing%29 | Printer (computing) | In computing, a printer is a peripheral machine which makes a durable representation of graphics or text, usually on paper. While most output is human-readable, bar code printers are an example of an expanded use for printers. Different types of printers include 3D printers, inkjet printers, laser printers, and thermal... | Technology | Media and communication | null |
5295 | https://en.wikipedia.org/wiki/Character%20encoding | Character encoding | Character encoding is the process of assigning numbers to graphical characters, especially the written characters of human language, allowing them to be stored, transmitted, and transformed using computers. The numerical values that make up a character encoding are known as code points and collectively comprise a code ... | Technology | Programming | null |
5299 | https://en.wikipedia.org/wiki/Carbon | Carbon | Carbon () is a chemical element; it has symbol C and atomic number 6. It is nonmetallic and tetravalent—meaning that its atoms are able to form up to four covalent bonds due to its valence shell exhibiting 4 electrons. It belongs to group 14 of the periodic table. Carbon makes up about 0.025 percent of Earth's crust. ... | Physical sciences | Chemistry | null |
5300 | https://en.wikipedia.org/wiki/Computer%20data%20storage | Computer data storage | Computer data storage or digital data storage is a technology consisting of computer components and recording media that are used to retain digital data. It is a core function and fundamental component of computers.
The central processing unit (CPU) of a computer is what manipulates data by performing computations. In... | Technology | Data storage and memory | null |
5306 | https://en.wikipedia.org/wiki/Chemical%20equilibrium | Chemical equilibrium | In a chemical reaction, chemical equilibrium is the state in which both the reactants and products are present in concentrations which have no further tendency to change with time, so that there is no observable change in the properties of the system. This state results when the forward reaction proceeds at the same ra... | Physical sciences | Chemical reactions | null |
5308 | https://en.wikipedia.org/wiki/Combination | Combination | In mathematics, a combination is a selection of items from a set that has distinct members, such that the order of selection does not matter (unlike permutations). For example, given three fruits, say an apple, an orange and a pear, there are three combinations of two that can be drawn from this set: an apple and a pea... | Mathematics | Discrete mathematics | null |
5309 | https://en.wikipedia.org/wiki/Software | Software | Software consists of computer programs that instruct the execution of a computer. Software also includes design documents and specifications.
The history of software is closely tied to the development of digital computers in the mid-20th century. Early programs were written in the machine language specific to the hard... | Technology | Computer software | null |
5311 | https://en.wikipedia.org/wiki/Computer%20programming | Computer programming | Computer programming or coding is the composition of sequences of instructions, called programs, that computers can follow to perform tasks. It involves designing and implementing algorithms, step-by-step specifications of procedures, by writing code in one or more programming languages. Programmers typically use high-... | Technology | Programming | null |
5320 | https://en.wikipedia.org/wiki/Carbon%20nanotube | Carbon nanotube | A carbon nanotube (CNT) is a tube made of carbon with a diameter in the nanometre range (nanoscale). They are one of the allotropes of carbon. Two broad classes of carbon nanotubes are recognized:
Single-walled carbon nanotubes (SWCNTs) have diameters around 0.5–2.0 nanometres, about 100,000 times smaller than the wi... | Physical sciences | Chemical elements_2 | null |
5323 | https://en.wikipedia.org/wiki/Computer%20science | Computer science | Computer science is the study of computation, information, and automation. Computer science spans theoretical disciplines (such as algorithms, theory of computation, and information theory) to applied disciplines (including the design and implementation of hardware and software).
Algorithms and data structures are ce... | Technology | Computing and information technology | null |
5346 | https://en.wikipedia.org/wiki/Colloid | Colloid | A colloid is a mixture in which one substance consisting of microscopically dispersed insoluble particles is suspended throughout another substance. Some definitions specify that the particles must be dispersed in a liquid, while others extend the definition to include substances like aerosols and gels. The term colloi... | Physical sciences | Chemical mixtures: General | null |
5367 | https://en.wikipedia.org/wiki/Cambrian | Cambrian | The Cambrian ( ) is the first geological period of the Paleozoic Era, and the Phanerozoic Eon. The Cambrian lasted 51.95 million years from the end of the preceding Ediacaran period 538.8 Ma (million years ago) to the beginning of the Ordovician Period 486.85 Ma.
Most of the continents lay in the southern hemisphere s... | Physical sciences | Geological periods | null |
5371 | https://en.wikipedia.org/wiki/Concrete | Concrete | Concrete is a composite material composed of aggregate bonded together with a fluid cement that cures to a solid over time. Concrete is the second-most-used substance in the world after water, and is the most widely used building material. Its usage worldwide, ton for ton, is twice that of steel, wood, plastics, and al... | Technology | Materials | null |
5376 | https://en.wikipedia.org/wiki/Cladistics | Cladistics | Cladistics ( ; from Ancient Greek 'branch') is an approach to biological classification in which organisms are categorized in groups ("clades") based on hypotheses of most recent common ancestry. The evidence for hypothesized relationships is typically shared derived characteristics (synapomorphies) that are not pres... | Biology and health sciences | Phylogenetics and taxonomy | Biology |
5377 | https://en.wikipedia.org/wiki/Calendar | Calendar | A calendar is a system of organizing days. This is done by giving names to periods of time, typically days, weeks, months and years. A date is the designation of a single and specific day within such a system. A calendar is also a physical record (often paper) of such a system. A calendar can also mean a list of planne... | Technology | Navigation and timekeeping | null |
5378 | https://en.wikipedia.org/wiki/Physical%20cosmology | Physical cosmology | Physical cosmology is a branch of cosmology concerned with the study of cosmological models. A cosmological model, or simply cosmology, provides a description of the largest-scale structures and dynamics of the universe and allows study of fundamental questions about its origin, structure, evolution, and ultimate fate.... | Physical sciences | Astronomy | null |
5382 | https://en.wikipedia.org/wiki/Cosmic%20inflation | Cosmic inflation | In physical cosmology, cosmic inflation, cosmological inflation, or just inflation, is a theory of exponential expansion of space in the very early universe. Following the inflationary period, the universe continued to expand, but at a slower rate. The re-acceleration of this slowing expansion due to dark energy began ... | Physical sciences | Physical cosmology | null |
5385 | https://en.wikipedia.org/wiki/Candela | Candela | The candela (symbol: cd) is the unit of luminous intensity in the International System of Units (SI). It measures luminous power per unit solid angle emitted by a light source in a particular direction. Luminous intensity is analogous to radiant intensity, but instead of simply adding up the contributions of every wave... | Physical sciences | Light | null |
5387 | https://en.wikipedia.org/wiki/Condensed%20matter%20physics | Condensed matter physics | Condensed matter physics is the field of physics that deals with the macroscopic and microscopic physical properties of matter, especially the solid and liquid phases, that arise from electromagnetic forces between atoms and electrons. More generally, the subject deals with condensed phases of matter: systems of many ... | Physical sciences | Basics_8 | null |
5390 | https://en.wikipedia.org/wiki/Conversion%20of%20units | Conversion of units | Conversion of units is the conversion of the unit of measurement in which a quantity is expressed, typically through a multiplicative conversion factor that changes the unit without changing the quantity. This is also often loosely taken to include replacement of a quantity with a corresponding quantity that describes ... | Physical sciences | Basics | Basics and measurement |
5394 | https://en.wikipedia.org/wiki/Chervil | Chervil | Chervil (; Anthriscus cerefolium), sometimes called French parsley or garden chervil (to distinguish it from similar plants also called chervil), is a delicate annual herb related to parsley. It was formerly called myrhis due to its volatile oil with an aroma similar to the resinous substance myrrh. It is commonly used... | Biology and health sciences | Herbs and spices | Plants |
5395 | https://en.wikipedia.org/wiki/Chives | Chives | Chives, scientific name Allium schoenoprasum, is a species of flowering plant in the family Amaryllidaceae.
A perennial plant, A. schoenoprasum is widespread in nature across much of Eurasia and North America. It is the only species of Allium native to both the New and the Old Worlds.
The leaves and flowers are edibl... | Biology and health sciences | Herbs and spices | Plants |
5401 | https://en.wikipedia.org/wiki/Carboniferous | Carboniferous | The Carboniferous ( ) is a geologic period and system of the Paleozoic era that spans 60 million years from the end of the Devonian Period Ma (million years ago) to the beginning of the Permian Period, Ma. It is the fifth and penultimate period of the Paleozoic era and the fifth period of the Phanerozoic eon. In Nort... | Physical sciences | Geological timescale | Earth science |
5409 | https://en.wikipedia.org/wiki/Commelinales | Commelinales | Commelinales is an order of flowering plants. It comprises five families: Commelinaceae, Haemodoraceae, Hanguanaceae, Philydraceae, and Pontederiaceae. All the families combined contain over 885 species in about 70 genera; the majority of species are in the Commelinaceae. Plants in the order share a number of synapomor... | Biology and health sciences | Commelinales | Plants |
5421 | https://en.wikipedia.org/wiki/Cardiology | Cardiology | Cardiology () is the study of the heart. Cardiology is a branch of medicine that deals with disorders of the heart and the cardiovascular system. The field includes medical diagnosis and treatment of congenital heart defects, coronary artery disease, heart failure, valvular heart disease, and electrophysiology. Physici... | Biology and health sciences | Fields of medicine | null |
5439 | https://en.wikipedia.org/wiki/Capricornus | Capricornus | Capricornus is one of the constellations of the zodiac. Its name is Latin for "horned goat" or "goat horn" or "having horns like a goat's", and it is commonly represented in the form of a sea goat: a mythical creature that is half goat, half fish.
Capricornus is one of the 88 modern constellations, and was also one o... | Physical sciences | Zodiac | Astronomy |
5615 | https://en.wikipedia.org/wiki/Cretaceous | Cretaceous | The Cretaceous ( ) is a geological period that lasted from about 143.1 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 77 million years, it is the ninth and longest geological period of the entire Phanerozoic. The name is derived from the Latin , 'c... | Physical sciences | Geological periods | null |
5617 | https://en.wikipedia.org/wiki/Creutzfeldt%E2%80%93Jakob%20disease | Creutzfeldt–Jakob disease | Creutzfeldt–Jakob disease (CJD), also known as subacute spongiform encephalopathy or neurocognitive disorder due to prion disease, is a fatal neurodegenerative disease. Early symptoms include memory problems, behavioral changes, poor coordination, and visual disturbances. Later symptoms include dementia, involuntary mo... | Biology and health sciences | Prion diseases | Health |
5623 | https://en.wikipedia.org/wiki/Canal | Canal | Canals or artificial waterways are waterways or engineered channels built for drainage management (e.g. flood control and irrigation) or for conveyancing water transport vehicles (e.g. water taxi). They carry free, calm surface flow under atmospheric pressure, and can be thought of as artificial rivers.
In most cases,... | Technology | Transportation | null |
5636 | https://en.wikipedia.org/wiki/Chemist | Chemist | A chemist (from Greek chēm(ía) alchemy; replacing chymist from Medieval Latin alchemist) is a graduated scientist trained in the study of chemistry, or an officially enrolled student in the field. Chemists study the composition of matter and its properties. Chemists carefully describe the properties they study in terms... | Physical sciences | Basics: General | Chemistry |
5638 | https://en.wikipedia.org/wiki/Combustion | Combustion | Combustion, or burning, is a high-temperature exothermic redox chemical reaction between a fuel (the reductant) and an oxidant, usually atmospheric oxygen, that produces oxidized, often gaseous products, in a mixture termed as smoke. Combustion does not always result in fire, because a flame is only visible when substa... | Physical sciences | Chemical reactions | null |
5659 | https://en.wikipedia.org/wiki/Chemical%20element | Chemical element | A chemical element is a chemical substance whose atoms all have the same number of protons. The number of protons is called the atomic number of that element. For example, oxygen has an atomic number of 8, meaning each oxygen atom has 8 protons in its nucleus. Atoms of the same element can have different numbers of neu... | Physical sciences | Science and medicine | null |
5667 | https://en.wikipedia.org/wiki/Chlorine | Chlorine | Chlorine is a chemical element; it has symbol Cl and atomic number 17. The second-lightest of the halogens, it appears between fluorine and bromine in the periodic table and its properties are mostly intermediate between them. Chlorine is a yellow-green gas at room temperature. It is an extremely reactive element and a... | Physical sciences | Chemical elements_2 | null |
5668 | https://en.wikipedia.org/wiki/Calcium | Calcium | Calcium is a chemical element; it has symbol Ca and atomic number 20. As an alkaline earth metal, calcium is a reactive metal that forms a dark oxide-nitride layer when exposed to air. Its physical and chemical properties are most similar to its heavier homologues strontium and barium. It is the fifth most abundant ele... | Physical sciences | Chemical elements_2 | null |
5669 | https://en.wikipedia.org/wiki/Chromium | Chromium | Chromium is a chemical element; it has symbol Cr and atomic number 24. It is the first element in group 6. It is a steely-grey, lustrous, hard, and brittle transition metal.
Chromium is valued for its high corrosion resistance and hardness. A major development in steel production was the discovery that steel could be ... | Physical sciences | Chemical elements_2 | null |
5672 | https://en.wikipedia.org/wiki/Cadmium | Cadmium | Cadmium is a chemical element; it has symbol Cd and atomic number 48. This soft, silvery-white metal is chemically similar to the two other stable metals in group 12, zinc and mercury. Like zinc, it demonstrates oxidation state +2 in most of its compounds, and like mercury, it has a lower melting point than the transit... | Physical sciences | Chemical elements_2 | null |
5675 | https://en.wikipedia.org/wiki/Curium | Curium | Curium is a synthetic chemical element; it has symbol Cm and atomic number 96. This transuranic actinide element was named after eminent scientists Marie and Pierre Curie, both known for their research on radioactivity. Curium was first intentionally made by the team of Glenn T. Seaborg, Ralph A. James, and Albert Ghio... | Physical sciences | Chemical elements_2 | null |
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