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https://en.wikipedia.org/wiki/Bead
A bead is a small, decorative object that is formed in a variety of shapes and sizes of a material such as stone, bone, shell, glass, plastic, wood, or pearl and with a small hole for threading or stringing. Beads range in size from under 1 millimeter (0.039 in) to over 1 centimeter (0.39 in) in diameter. Beads repres...
Bead
[ "Technology" ]
3,050
[ "Jewellery components", "Components" ]
3,410
https://en.wikipedia.org/wiki/Bird
Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton. Birds live worldwide and range in size from the bee hummingbird to the ...
Bird
[ "Biology" ]
16,106
[ "Birds", "Animals" ]
3,419
https://en.wikipedia.org/wiki/Bay%20leaf
The bay leaf is an aromatic leaf commonly used as a herb in cooking. It can be used whole, either dried or fresh, in which case it is removed from the dish before consumption, or less commonly used in ground form. The flavor that a bay leaf imparts to a dish has not been universally agreed upon, but many agree it is a ...
Bay leaf
[ "Biology" ]
1,964
[ "Plants", "Plant common names", "Common names of organisms" ]
3,430
https://en.wikipedia.org/wiki/Bulletin%20board%20system
A bulletin board system (BBS), also called a computer bulletin board service (CBBS), is a computer server running software that allows users to connect to the system using a terminal program. Once logged in, the user performs functions such as uploading and downloading software and data, reading news and bulletins, and...
Bulletin board system
[ "Technology" ]
7,405
[ "Computer-mediated communication", "Information systems", "Computing and society" ]
3,722
https://en.wikipedia.org/wiki/Berlin%20Wall
The Berlin Wall (, ) was a guarded concrete barrier that encircled West Berlin from 1961 to 1989, separating it from East Berlin and the German Democratic Republic (GDR; East Germany). Construction of the Berlin Wall was commenced by the government of the GDR on 13 August 1961. It included guard towers placed along lar...
Berlin Wall
[ "Engineering" ]
14,390
[ "Separation barriers", "Border barriers" ]
3,729
https://en.wikipedia.org/wiki/Burning%20glass
A burning glass or burning lens is a large convex lens that can concentrate the Sun's rays onto a small area, heating up the area and thus resulting in ignition of the exposed surface. Burning mirrors achieve a similar effect by using reflecting surfaces to focus the light. They were used in 18th-century chemical studi...
Burning glass
[ "Technology", "Engineering" ]
1,652
[ "Magnifiers", "Measuring instruments" ]
3,742
https://en.wikipedia.org/wiki/Bluetooth
Bluetooth is a short-range wireless technology standard that is used for exchanging data between fixed and mobile devices over short distances and building personal area networks (PANs). In the most widely used mode, transmission power is limited to 2.5 milliwatts, giving it a very short range of up to . It employs UHF...
Bluetooth
[ "Technology", "Engineering" ]
13,375
[ "Computer standards", "Wireless networking", "Computer networks engineering", "Wireless communication systems", "Networking standards", "Bluetooth" ]
3,743
https://en.wikipedia.org/wiki/Bluetooth%20Special%20Interest%20Group
The Bluetooth Special Interest Group (Bluetooth SIG) is the standards organization that oversees the development of Bluetooth standards and the licensing of the Bluetooth technologies and trademarks to manufacturers. The SIG is a not-for-profit, non-stock corporation founded in September 1998. The SIG is headquartered...
Bluetooth Special Interest Group
[ "Technology" ]
1,540
[ "Wireless networking", "Bluetooth" ]
3,747
https://en.wikipedia.org/wiki/Bill%20Gates
William Henry Gates III (born October 28, 1955) is an American businessman and philanthropist best known for co-founding the software company Microsoft with his childhood friend Paul Allen. He later held the positions of chairman, chief executive officer (CEO), president, and chief software architect of the company. G...
Bill Gates
[ "Technology" ]
12,117
[ "Computing and society", "Computers", "History of computing", "Personal computing" ]
3,755
https://en.wikipedia.org/wiki/Boron
Boron is a chemical element. It has the symbol B and atomic number 5. In its crystalline form it is a brittle, dark, lustrous metalloid; in its amorphous form it is a brown powder. As the lightest element of the boron group it has three valence electrons for forming covalent bonds, resulting in many compounds such as b...
Boron
[ "Physics", "Chemistry" ]
10,163
[ "Chemical elements", "Redox", "Reducing agents", "Atoms", "Matter" ]
3,756
https://en.wikipedia.org/wiki/Bromine
Bromine is a chemical element; it has symbol Br and atomic number 35. It is a volatile red-brown liquid at room temperature that evaporates readily to form a similarly coloured vapour. Its properties are intermediate between those of chlorine and iodine. Isolated independently by two chemists, Carl Jacob Löwig (in 1825...
Bromine
[ "Physics", "Chemistry", "Materials_science" ]
8,256
[ "Chemical elements", "Redox", "Diatomic nonmetals", "Nonmetals", "Oxidizing agents", "Reactive nonmetals", "Atoms", "Matter" ]
3,757
https://en.wikipedia.org/wiki/Barium
Barium is a chemical element; it has symbol Ba and atomic number 56. It is the fifth element in group 2 and is a soft, silvery alkaline earth metal. Because of its high chemical reactivity, barium is never found in nature as a free element. The most common minerals of barium are barite (barium sulfate, BaSO4) and with...
Barium
[ "Physics", "Chemistry", "Environmental_science" ]
3,724
[ "Toxicology", "Chemical elements", "Redox", "Reducing agents", "Atoms", "Matter" ]
3,758
https://en.wikipedia.org/wiki/Berkelium
Berkelium is a synthetic chemical element; it has symbol Bk and atomic number 97. It is a member of the actinide and transuranium element series. It is named after the city of Berkeley, California, the location of the Lawrence Berkeley National Laboratory (then the University of California Radiation Laboratory) where i...
Berkelium
[ "Physics", "Chemistry" ]
6,514
[ "Matter", "Chemical elements", "Synthetic materials", "Synthetic elements", "Atoms", "Radioactivity" ]
3,821
https://en.wikipedia.org/wiki/Binary-coded%20decimal
In computing and electronic systems, binary-coded decimal (BCD) is a class of binary encodings of decimal numbers where each digit is represented by a fixed number of bits, usually four or eight. Sometimes, special bit patterns are used for a sign or other indications (e.g. error or overflow). In byte-oriented systems...
Binary-coded decimal
[ "Mathematics" ]
6,565
[ "Mathematical objects", "Computer arithmetic", "Numeral systems", "Arithmetic", "Binary arithmetic", "Numbers" ]
3,832
https://en.wikipedia.org/wiki/Bauhaus
The Staatliches Bauhaus (), commonly known as the , was a German art school operational from 1919 to 1933 that combined crafts and the fine arts. The school became famous for its approach to design, which attempted to unify individual artistic vision with the principles of mass production and emphasis on function. Alon...
Bauhaus
[ "Engineering" ]
6,842
[ "Industrial design", "Design engineering", "Design" ]
3,876
https://en.wikipedia.org/wiki/Binomial%20distribution
In probability theory and statistics, the binomial distribution with parameters and is the discrete probability distribution of the number of successes in a sequence of independent experiments, each asking a yes–no question, and each with its own Boolean-valued outcome: success (with probability ) or failure (with p...
Binomial distribution
[ "Mathematics" ]
4,007
[ "Factorial and binomial topics", "Combinatorics" ]
3,878
https://en.wikipedia.org/wiki/Biostatistics
Biostatistics (also known as biometry) is a branch of statistics that applies statistical methods to a wide range of topics in biology. It encompasses the design of biological experiments, the collection and analysis of data from those experiments and the interpretation of the results. History Biostatistics and genet...
Biostatistics
[ "Engineering", "Biology" ]
6,812
[ "Bioinformatics", "Biological engineering" ]
3,931
https://en.wikipedia.org/wiki/Binary%20relation
In mathematics, a binary relation associates elements of one set called the domain with elements of another set called the codomain. Precisely, a binary relation over sets and is a set of ordered pairs where is in and is in . It encodes the common concept of relation: an element is related to an element , if and...
Binary relation
[ "Mathematics" ]
5,253
[ "Mathematical relations", "Binary relations" ]
3,942
https://en.wikipedia.org/wiki/Bijection
A bijection, bijective function, or one-to-one correspondence between two mathematical sets is a function such that each element of the second set (the codomain) is the image of exactly one element of the first set (the domain). Equivalently, a bijection is a relation between two sets such that each element of either s...
Bijection
[ "Mathematics" ]
2,739
[ "Mathematical analysis", "Functions and mappings", "Predicate logic", "Mathematical objects", "Basic concepts in set theory", "Mathematical relations", "Types of functions" ]
3,943
https://en.wikipedia.org/wiki/Binary%20function
In mathematics, a binary function (also called bivariate function, or function of two variables) is a function that takes two inputs. Precisely stated, a function is binary if there exists sets such that where is the Cartesian product of and Alternative definitions Set-theoretically, a binary function can be rep...
Binary function
[ "Mathematics" ]
984
[ "Mathematical objects", "Functions and mappings", "Types of functions", "Mathematical relations" ]
3,948
https://en.wikipedia.org/wiki/Binary%20operation
In mathematics, a binary operation or dyadic operation is a rule for combining two elements (called operands) to produce another element. More formally, a binary operation is an operation of arity two. More specifically, a binary operation on a set is a binary function whose two domains and the codomain are the same s...
Binary operation
[ "Mathematics" ]
1,040
[ "Binary operations", "Mathematical relations", "Binary relations" ]
3,954
https://en.wikipedia.org/wiki/Biochemistry
Biochemistry, or biological chemistry, is the study of chemical processes within and relating to living organisms. A sub-discipline of both chemistry and biology, biochemistry may be divided into three fields: structural biology, enzymology, and metabolism. Over the last decades of the 20th century, biochemistry has b...
Biochemistry
[ "Chemistry", "Biology" ]
6,497
[ "Biochemistry", "Biotechnology", "nan", "Molecular biology" ]
3,959
https://en.wikipedia.org/wiki/Boolean%20algebra%20%28structure%29
In abstract algebra, a Boolean algebra or Boolean lattice is a complemented distributive lattice. This type of algebraic structure captures essential properties of both set operations and logic operations. A Boolean algebra can be seen as a generalization of a power set algebra or a field of sets, or its elements can b...
Boolean algebra (structure)
[ "Mathematics" ]
3,300
[ "Boolean algebra", "Mathematical structures", "Mathematical logic", "Mathematical objects", "Fields of abstract algebra", "Algebraic structures", "Ockham algebras" ]
3,967
https://en.wikipedia.org/wiki/Bandwidth%20%28signal%20processing%29
Bandwidth is the difference between the upper and lower frequencies in a continuous band of frequencies. It is typically measured in unit of hertz (symbol Hz). It may refer more specifically to two subcategories: Passband bandwidth is the difference between the upper and lower cutoff frequencies of, for example, a ba...
Bandwidth (signal processing)
[ "Physics", "Technology", "Engineering" ]
2,117
[ "Physical phenomena", "Telecommunications engineering", "Computer engineering", "Spectrum (physical sciences)", "Signal processing", "Waves" ]
3,973
https://en.wikipedia.org/wiki/Bicycle
A bicycle, also called a pedal cycle, bike, push-bike or cycle, is a human-powered or motor-assisted, pedal-driven, single-track vehicle, with two wheels attached to a frame, one behind the other. A is called a cyclist, or bicyclist. Bicycles were introduced in the 19th century in Europe. By the early 21st century th...
Bicycle
[ "Physics" ]
8,770
[ "Physical systems", "Transport", "Sustainable transport" ]
3,974
https://en.wikipedia.org/wiki/Biopolymer
Biopolymers are natural polymers produced by the cells of living organisms. Like other polymers, biopolymers consist of monomeric units that are covalently bonded in chains to form larger molecules. There are three main classes of biopolymers, classified according to the monomers used and the structure of the biopolyme...
Biopolymer
[ "Physics", "Chemistry", "Materials_science", "Biology" ]
3,754
[ "Biomaterials", "Natural products", "Biotechnology products", "Biochemistry", "Organic compounds", "Materials", "Molecular genetics", "Biomolecules", "Polymer chemistry", "Structural biology", "Polymers", "Medical technology", "Matter", "Molecular biology" ]
3,986
https://en.wikipedia.org/wiki/Benjamin%20Franklin
Benjamin Franklin (April 17, 1790) was an American polymath: a writer, scientist, inventor, statesman, diplomat, printer, publisher and political philosopher. Among the most influential intellectuals of his time, Franklin was one of the Founding Fathers of the United States; a drafter and signer of the Declaration of I...
Benjamin Franklin
[ "Biology" ]
18,424
[ "Vaccination", "Vaccination advocates" ]
3,989
https://en.wikipedia.org/wiki/Banach%20space
In mathematics, more specifically in functional analysis, a Banach space (pronounced ) is a complete normed vector space. Thus, a Banach space is a vector space with a metric that allows the computation of vector length and distance between vectors and is complete in the sense that a Cauchy sequence of vectors always c...
Banach space
[ "Mathematics" ]
9,277
[ "Functions and mappings", "Functional analysis", "Vector spaces", "Mathematical objects", "Space (mathematics)", "Topological vector spaces", "Mathematical relations" ]
4,012
https://en.wikipedia.org/wiki/Basel%20Convention
The Basel Convention on the Control of Transboundary Movements of Hazardous Wastes and Their Disposal, usually known as the Basel Convention, is an international treaty that was designed to reduce the movements of hazardous waste between nations, and specifically to restrict the transfer of hazardous waste from develop...
Basel Convention
[ "Chemistry", "Technology" ]
2,720
[ "Chemical safety", "Chemical accident", "Hazardous waste", "nan" ]
4,024
https://en.wikipedia.org/wiki/Butterfly%20effect
In chaos theory, the butterfly effect is the sensitive dependence on initial conditions in which a small change in one state of a deterministic nonlinear system can result in large differences in a later state. The term is closely associated with the work of the mathematician and meteorologist Edward Norton Lorenz. He...
Butterfly effect
[ "Physics", "Mathematics" ]
4,149
[ "Physical phenomena", "Stability theory", "Dynamical systems" ]
4,052
https://en.wikipedia.org/wiki/BCPL
BCPL ("Basic Combined Programming Language") is a procedural, imperative, and structured programming language. Originally intended for writing compilers for other languages, BCPL is no longer in common use. However, its influence is still felt because a stripped down and syntactically changed version of BCPL, called B...
BCPL
[ "Technology" ]
2,285
[ "History of computing", "History of computing in the United Kingdom" ]
4,064
https://en.wikipedia.org/wiki/Borsuk%E2%80%93Ulam%20theorem
In mathematics, the Borsuk–Ulam theorem states that every continuous function from an n-sphere into Euclidean n-space maps some pair of antipodal points to the same point. Here, two points on a sphere are called antipodal if they are in exactly opposite directions from the sphere's center. Formally: if is continuous ...
Borsuk–Ulam theorem
[ "Mathematics" ]
1,437
[ "Theorems in mathematical analysis", "Discrete mathematics", "Mathematical theorems", "Theory of continuous functions", "Fixed-point theorems", "Combinatorics", "Theorems in topology", "Topology", "Mathematical problems", "Theorems in algebraic topology" ]
4,077
https://en.wikipedia.org/wiki/Binary%20prefix
A binary prefix is a unit prefix that indicates a multiple of a unit of measurement by an integer power of two. The most commonly used binary prefixes are kibi (symbol Ki, meaning ), mebi (), and gibi (). They are most often used in information technology as multipliers of bit and byte, when expressing the capacity of ...
Binary prefix
[ "Physics", "Mathematics" ]
5,758
[ "Physical quantities", "Quantity", "Mathematical objects", "Measurement", "Size", "Numeral systems", "Units of information", "Numbers", "Units of measurement" ]
4,086
https://en.wikipedia.org/wiki/Brainfuck
Brainfuck is an esoteric programming language created in 1993 by Swiss student Urban Müller. Designed to be extremely minimalistic, the language consists of only eight simple commands, a data pointer, and an instruction pointer. Brainfuck is an example of a so-called Turing tarpit: it can be used to write any program,...
Brainfuck
[ "Technology" ]
2,531
[ "Non-English-based programming languages", "Natural language and computing" ]
4,101
https://en.wikipedia.org/wiki/Brouwer%20fixed-point%20theorem
Brouwer's fixed-point theorem is a fixed-point theorem in topology, named after L. E. J. (Bertus) Brouwer. It states that for any continuous function mapping a nonempty compact convex set to itself, there is a point such that . The simplest forms of Brouwer's theorem are for continuous functions from a closed interv...
Brouwer fixed-point theorem
[ "Mathematics" ]
7,396
[ "Theorems in mathematical analysis", "Mathematical theorems", "Theory of continuous functions", "Fixed-point theorems", "Theorems in topology", "Theorems in convex geometry", "Topology", "Theorems in geometry", "Mathematical problems" ]
4,107
https://en.wikipedia.org/wiki/Boltzmann%20distribution
In statistical mechanics and mathematics, a Boltzmann distribution (also called Gibbs distribution) is a probability distribution or probability measure that gives the probability that a system will be in a certain state as a function of that state's energy and the temperature of the system. The distribution is express...
Boltzmann distribution
[ "Physics" ]
2,146
[ "Statistical mechanics" ]
4,111
https://en.wikipedia.org/wiki/Bioleaching
Bioleaching is the extraction or liberation of metals from their ores through the use of living organisms. Bioleaching is one of several applications within biohydrometallurgy and several methods are used to treat ores or concentrates containing copper, zinc, lead, arsenic, antimony, nickel, molybdenum, gold, silver, ...
Bioleaching
[ "Chemistry", "Materials_science", "Biology" ]
2,169
[ "Metallurgical processes", "nan", "Metallurgy", "Biotechnology" ]
4,115
https://en.wikipedia.org/wiki/Boiling%20point
The boiling point of a substance is the temperature at which the vapor pressure of a liquid equals the pressure surrounding the liquid and the liquid changes into a vapor. The boiling point of a liquid varies depending upon the surrounding environmental pressure. A liquid in a partial vacuum, i.e., under a lower pres...
Boiling point
[ "Physics", "Chemistry", "Mathematics" ]
2,446
[ "Scalar physical quantities", "Matter", "Temperature", "Physical phenomena", "Physical quantities", "Phase transitions", "Thermodynamic properties", "SI base quantities", "Intensive quantities", "Phases of matter", "Threshold temperatures", "Meteorological quantities", "Quantity", "Thermod...
4,116
https://en.wikipedia.org/wiki/Big%20Bang
The Big Bang is a physical theory that describes how the universe expanded from an initial state of high density and temperature. The notion of an expanding universe was first scientifically originated by physicist Alexander Friedmann in 1922 with the mathematical derivation of the Friedmann equations. The earliest emp...
Big Bang
[ "Physics", "Astronomy" ]
10,454
[ "Beginnings", "Cosmogony", "Astronomical sub-disciplines", "Physical quantities", "Time", "Concepts in astronomy", "Big Bang", "Astronomical events", "Theoretical physics", "Astrophysics", "Spacetime", "Physical cosmology" ]
4,163
https://en.wikipedia.org/wiki/Bertrand%20Russell
Bertrand Arthur William Russell, 3rd Earl Russell, (18 May 1872 – 2 February 1970) was a British philosopher, logician, mathematician, and public intellectual. He had influence on mathematics, logic, set theory, and various areas of analytic philosophy. He was one of the early 20th century's prominent logicians and a...
Bertrand Russell
[ "Mathematics" ]
12,853
[ "Philosophers of mathematics" ]
4,169
https://en.wikipedia.org/wiki/Bronze
Bronze is an alloy consisting primarily of copper, commonly with about 12–12.5% tin and often with the addition of other metals (including aluminium, manganese, nickel, or zinc) and sometimes non-metals (such as phosphorus) or metalloids (such as arsenic or silicon). These additions produce a range of alloys some of wh...
Bronze
[ "Chemistry" ]
4,157
[ "Tin alloys", "Alloys", "Copper alloys", "Coinage metals and alloys" ]
4,183
https://en.wikipedia.org/wiki/Botany
Botany, also called plant science or phytology, is the branch of natural science and biology studying plants, especially their anatomy, taxonomy, and ecology. A botanist, plant scientist or phytologist is a scientist who specialises in this field. Nowadays, botanists (in the strict sense) study approximately 410,000 sp...
Botany
[ "Biology" ]
11,930
[ "Plants", "Botany" ]
4,187
https://en.wikipedia.org/wiki/Bactericide
A bactericide or bacteriocide, sometimes abbreviated Bcidal, is a substance which kills bacteria. Bactericides are disinfectants, antiseptics, or antibiotics. However, material surfaces can also have bactericidal properties based solely on their physical surface structure, as for example biomaterials like insect wings....
Bactericide
[ "Biology" ]
1,539
[ "Bactericides", "Biocides" ]
4,191
https://en.wikipedia.org/wiki/BCG%20vaccine
The Bacillus Calmette–Guérin (BCG) vaccine is a vaccine primarily used against tuberculosis (TB). It is named after its inventors Albert Calmette and Camille Guérin. In countries where tuberculosis or leprosy is common, one dose is recommended in healthy babies as soon after birth as possible. In areas where tuberculos...
BCG vaccine
[ "Biology" ]
5,232
[ "Vaccination", "Vaccines" ]
4,194
https://en.wikipedia.org/wiki/Bohrium
Bohrium is a synthetic chemical element; it has symbol Bh and atomic number 107. It is named after Danish physicist Niels Bohr. As a synthetic element, it can be created in particle accelerators but is not found in nature. All known isotopes of bohrium are highly radioactive; the most stable known isotope is 270Bh with...
Bohrium
[ "Physics", "Chemistry" ]
2,764
[ "Matter", "Chemical elements", "Synthetic materials", "Synthetic elements", "Atoms", "Radioactivity" ]
4,196
https://en.wikipedia.org/wiki/Barnard%27s%20Star
Barnard's Star is a small red dwarf star in the constellation of Ophiuchus. At a distance of from Earth, it is the fourth-nearest-known individual star to the Sun after the three components of the Alpha Centauri system, and is the closest star in the northern celestial hemisphere. Its stellar mass is about 16% of the ...
Barnard's Star
[ "Astronomy" ]
3,729
[ "Ophiuchus", "Constellations" ]
4,199
https://en.wikipedia.org/wiki/Bayer%20designation
A Bayer designation is a stellar designation in which a specific star is identified by a Greek or Latin letter followed by the genitive form of its parent constellation's Latin name. The original list of Bayer designations contained 1564 stars. The brighter stars were assigned their first systematic names by the German...
Bayer designation
[ "Astronomy" ]
1,916
[ "Astronomical catalogues", "Works about astronomy", "Astronomical objects" ]
4,200
https://en.wikipedia.org/wiki/Bo%C3%B6tes
Boötes ( ) is a constellation in the northern sky, located between 0° and +60° declination, and 13 and 16 hours of right ascension on the celestial sphere. The name comes from , which comes from 'herdsman' or 'plowman' (literally, 'ox-driver'; from boûs 'cow'). One of the 48 constellations described by the 2nd-centu...
Boötes
[ "Astronomy" ]
8,016
[ "Constellations listed by Ptolemy", "Boötes", "Constellations", "Northern constellations", "Sky regions" ]
4,214
https://en.wikipedia.org/wiki/Bioinformatics
Bioinformatics () is an interdisciplinary field of science that develops methods and software tools for understanding biological data, especially when the data sets are large and complex. Bioinformatics uses biology, chemistry, physics, computer science, data science, computer programming, information engineering, math...
Bioinformatics
[ "Engineering", "Biology" ]
7,642
[ "Bioinformatics", "Biological engineering" ]
4,230
https://en.wikipedia.org/wiki/Cell%20%28biology%29
The cell is the basic structural and functional unit of all forms of life. Every cell consists of cytoplasm enclosed within a membrane; many cells contain organelles, each with a specific function. The term comes from the Latin word meaning 'small room'. Most cells are only visible under a microscope. Cells emerged on...
Cell (biology)
[ "Biology" ]
6,497
[ "Cell biology" ]
4,260
https://en.wikipedia.org/wiki/Dots%20and%20boxes
Dots and boxes is a pencil-and-paper game for two players (sometimes more). It was first published in the 19th century by French mathematician Édouard Lucas, who called it . It has gone by many other names, including dots and dashes, game of dots, dot to dot grid, boxes, and pigs in a pen. The game starts with an empt...
Dots and boxes
[ "Mathematics" ]
901
[ "Recreational mathematics", "Mathematical games" ]
4,279
https://en.wikipedia.org/wiki/Broadcast%20domain
A broadcast domain is a logical division of a computer network, in which all nodes can reach each other by broadcast at the data link layer. A broadcast domain can be within the same LAN segment or it can be bridged to other LAN segments. In terms of current popular technologies, any computer connected to the same Eth...
Broadcast domain
[ "Engineering" ]
818
[ "Network architecture", "Computer networks engineering" ]
4,286
https://en.wikipedia.org/wiki/Biconditional%20introduction
In propositional logic, biconditional introduction is a valid rule of inference. It allows for one to infer a biconditional from two conditional statements. The rule makes it possible to introduce a biconditional statement into a logical proof. If is true, and if is true, then one may infer that is true. For example...
Biconditional introduction
[ "Mathematics" ]
256
[ "Rules of inference", "Theorems in propositional logic", "Theorems in the foundations of mathematics", "Proof theory" ]
4,287
https://en.wikipedia.org/wiki/Biconditional%20elimination
Biconditional elimination is the name of two valid rules of inference of propositional logic. It allows for one to infer a conditional from a biconditional. If is true, then one may infer that is true, and also that is true. For example, if it's true that I'm breathing if and only if I'm alive, then it's true that i...
Biconditional elimination
[ "Mathematics" ]
245
[ "Theorems in propositional logic", "Rules of inference", "Theorems in the foundations of mathematics", "Proof theory" ]
4,292
https://en.wikipedia.org/wiki/Base%20pair
A base pair (bp) is a fundamental unit of double-stranded nucleic acids consisting of two nucleobases bound to each other by hydrogen bonds. They form the building blocks of the DNA double helix and contribute to the folded structure of both DNA and RNA. Dictated by specific hydrogen bonding patterns, "Watson–Crick" (...
Base pair
[ "Chemistry", "Biology" ]
3,207
[ "Biomolecules by chemical classification", "Nucleic acids", "Molecular genetics", "Molecular biology" ]
4,318
https://en.wikipedia.org/wiki/Big%20Dig
The Big Dig was a megaproject in Boston that rerouted the then elevated Central Artery of Interstate 93 that cut across Boston into the O'Neill Tunnel and built the Ted Williams Tunnel to extend Interstate 90 to Logan International Airport. Those two projects were the origin of the official name, the Central Artery/Tun...
Big Dig
[ "Engineering" ]
7,387
[ "Underground construction", "Megaprojects", "Construction", "Civil engineering", "nan" ]
4,322
https://en.wikipedia.org/wiki/Borel%20measure
In mathematics, specifically in measure theory, a Borel measure on a topological space is a measure that is defined on all open sets (and thus on all Borel sets). Some authors require additional restrictions on the measure, as described below. Formal definition Let be a locally compact Hausdorff space, and let be t...
Borel measure
[ "Physics", "Mathematics" ]
1,197
[ "Measures (measure theory)", "Quantity", "Physical quantities", "Size" ]
4,361
https://en.wikipedia.org/wiki/Biological%20warfare
Biological warfare, also known as germ warfare, is the use of biological toxins or infectious agents such as bacteria, viruses, insects, and fungi with the intent to kill, harm or incapacitate humans, animals or plants as an act of war. Biological weapons (often termed "bio-weapons", "biological threat agents", or "bio...
Biological warfare
[ "Technology", "Biology" ]
7,018
[ "Bioethics", "Biological warfare", "Ethics of science and technology" ]
4,373
https://en.wikipedia.org/wiki/Buffer%20overflow
In programming and information security, a buffer overflow or buffer overrun is an anomaly whereby a program writes data to a buffer beyond the buffer's allocated memory, overwriting adjacent memory locations. Buffers are areas of memory set aside to hold data, often while moving it from one section of a program to an...
Buffer overflow
[ "Technology" ]
5,369
[ "Computer security exploits" ]
4,393
https://en.wikipedia.org/wiki/Bioterrorism
Bioterrorism is terrorism involving the intentional release or dissemination of biological agents. These agents include bacteria, viruses, insects, fungi, and/or their toxins, and may be in a naturally occurring or a human-modified form, in much the same way as in biological warfare. Further, modern agribusiness is vul...
Bioterrorism
[ "Biology" ]
8,123
[ "Bioterrorism", "Biological warfare" ]
4,403
https://en.wikipedia.org/wiki/BCS%20theory
In physics, the Bardeen–Cooper–Schrieffer (BCS) theory (named after John Bardeen, Leon Cooper, and John Robert Schrieffer) is the first microscopic theory of superconductivity since Heike Kamerlingh Onnes's 1911 discovery. The theory describes superconductivity as a microscopic effect caused by a condensation of Cooper...
BCS theory
[ "Physics", "Materials_science", "Engineering" ]
2,866
[ "Physical quantities", "Superconductivity", "Materials science", "Condensed matter physics", "Electrical resistance and conductance" ]
4,410
https://en.wikipedia.org/wiki/Brewing
Brewing is the production of beer by steeping a starch source (commonly cereal grains, the most popular of which is barley) in water and fermenting the resulting sweet liquid with yeast. It may be done in a brewery by a commercial brewer, at home by a homebrewer, or communally. Brewing has taken place since around the...
Brewing
[ "Chemistry" ]
9,442
[ "Fermentation in food processing", "Fermentation" ]
4,436
https://en.wikipedia.org/wiki/Brownian%20motion
Brownian motion is the random motion of particles suspended in a medium (a liquid or a gas). This motion pattern typically consists of random fluctuations in a particle's position inside a fluid sub-domain, followed by a relocation to another sub-domain. Each relocation is followed by more fluctuations within the new ...
Brownian motion
[ "Physics", "Chemistry", "Mathematics" ]
5,269
[ "Functions and mappings", "Colloidal chemistry", "Mathematical analysis", "Mathematical objects", "Surface science", "Colloids", "Fractals", "Mathematical relations", "Statistical mechanics" ]
4,459
https://en.wikipedia.org/wiki/Backward%20compatibility
In telecommunications and computing, backward compatibility (or backwards compatibility) is a property of an operating system, software, real-world product, or technology that allows for interoperability with an older legacy system, or with input designed for such a system. Modifying a system in a way that does not al...
Backward compatibility
[ "Engineering" ]
1,451
[ "Telecommunications engineering", "Interoperability" ]
4,460
https://en.wikipedia.org/wiki/Bacterial%20conjugation
Bacterial conjugation is the transfer of genetic material between bacterial cells by direct cell-to-cell contact or by a bridge-like connection between two cells. This takes place through a pilus. It is a parasexual mode of reproduction in bacteria. It is a mechanism of horizontal gene transfer as are transformation a...
Bacterial conjugation
[ "Chemistry", "Biology" ]
2,338
[ "Modification of genetic information", "Biotechnology", "Molecular genetics", "nan", "Molecular biology", "Biochemistry" ]
4,474
https://en.wikipedia.org/wiki/Bose%E2%80%93Einstein%20condensate
In condensed matter physics, a Bose–Einstein condensate (BEC) is a state of matter that is typically formed when a gas of bosons at very low densities is cooled to temperatures very close to absolute zero, i.e., . Under such conditions, a large fraction of bosons occupy the lowest quantum state, at which microscopic qu...
Bose–Einstein condensate
[ "Physics", "Chemistry", "Materials_science", "Engineering" ]
7,357
[ "Bose–Einstein condensates", "Phases of matter", "Materials science", "Condensed matter physics", "Exotic matter", "Matter" ]
4,476
https://en.wikipedia.org/wiki/Beer%E2%80%93Lambert%20law
The Beer–Bouguer–Lambert (BBL) extinction law is an empirical relationship describing the attenuation in intensity of a radiation beam passing through a macroscopically homogenous medium with which it interacts. Formally, it states that the intensity of radiation decays exponentially in the absorbance of the medium, a...
Beer–Lambert law
[ "Physics", "Chemistry", "Mathematics" ]
3,140
[ "Physical phenomena", "Visibility", "Molecular physics", "Spectrum (physical sciences)", "Physical quantities", " absorption and radiative transfer (optics)", "Electromagnetic radiation", "Instrumental analysis", "Quantity", "Scattering", "Radiation", "Wikipedia categories named after physical...
4,485
https://en.wikipedia.org/wiki/Bakelite
Bakelite ( ), formally , is a thermosetting phenol formaldehyde resin, formed from a condensation reaction of phenol with formaldehyde. The first plastic made from synthetic components, it was developed by Leo Baekeland in Yonkers, New York, in 1907, and patented on December 7, 1909. Bakelite was one of the first plas...
Bakelite
[ "Physics" ]
4,077
[ "Unsolved problems in physics", "Composite materials", "Materials", "Dielectrics", "Amorphous solids", "Matter", "Plastics" ]
4,487
https://en.wikipedia.org/wiki/Bean
A bean is the seed of any plant in the legume family (Fabaceae) used as a vegetable for human consumption or animal feed. The seeds are often preserved through drying, but fresh beans are also sold. Most beans are traditionally soaked and boiled, but they can be cooked in many different ways, including frying and bakin...
Bean
[ "Biology" ]
2,229
[ "Plant common names", "Common names of organisms", "Plants" ]
4,489
https://en.wikipedia.org/wiki/Breast
The breasts are two prominences located on the upper ventral region of the torso among humans and other primates. Both sexes develop breasts from the same embryological tissues. The relative size and development of the breasts is a major secondary sex distinction between females and males. There is also considerable va...
Breast
[ "Physics", "Biology" ]
7,128
[ "Human sexuality", "Behavior", "Matter", "Human behavior", "Human body", "Physical objects", "Sexuality", "Anatomy" ]
4,495
https://en.wikipedia.org/wiki/British%20thermal%20unit
The British thermal unit (Btu) is a measure of heat, which is a form of energy. It was originally defined as the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit. It is also part of the United States customary units. The SI unit for energy is the joule (J); one Btu equals ...
British thermal unit
[ "Mathematics" ]
1,354
[ "Quantity", "Units of energy", "Units of measurement" ]
4,502
https://en.wikipedia.org/wiki/Biotechnology
Biotechnology is a multidisciplinary field that involves the integration of natural sciences and engineering sciences in order to achieve the application of organisms and parts thereof for products and services. The term biotechnology was first used by Károly Ereky in 1919 to refer to the production of products from r...
Biotechnology
[ "Biology" ]
5,522
[ "nan", "Biotechnology" ]
4,526
https://en.wikipedia.org/wiki/Brick
A brick is a type of construction material used to build walls, pavements and other elements in masonry construction. Properly, the term brick denotes a unit primarily composed of clay, but is now also used informally to denote units made of other materials or other chemically cured construction blocks. Bricks can be j...
Brick
[ "Physics", "Engineering" ]
6,676
[ "Masonry", "Building engineering", "Construction", "Materials", "Building materials", "Matter", "Architecture" ]
4,542
https://en.wikipedia.org/wiki/Bra%E2%80%93ket%20notation
Bra–ket notation, also called Dirac notation, is a notation for linear algebra and linear operators on complex vector spaces together with their dual space both in the finite-dimensional and infinite-dimensional case. It is specifically designed to ease the types of calculations that frequently come up in quantum mecha...
Bra–ket notation
[ "Mathematics", "Technology", "Engineering" ]
4,945
[ "Telecommunications engineering", "Applied mathematics", "Computer science", "Information theory", "nan", "Linear algebra", "Algebra" ]
4,543
https://en.wikipedia.org/wiki/Blue
Blue is one of the three primary colours in the RYB colour model (traditional colour theory), as well as in the RGB (additive) colour model. It lies between violet and cyan on the spectrum of visible light. The term blue generally describes colours perceived by humans observing light with a dominant wavelength that's b...
Blue
[ "Physics" ]
6,346
[ "Optical spectrum", "Spectrum (physical sciences)", "Electromagnetic spectrum" ]
4,545
https://en.wikipedia.org/wiki/BDSM
BDSM is a variety of often erotic practices or roleplaying involving bondage, discipline, dominance and submission, sadomasochism, and other related interpersonal dynamics. Given the wide range of practices, some of which may be engaged in by people who do not consider themselves to be practising BDSM, inclusion in the...
BDSM
[ "Biology" ]
19,139
[ "Sexual acts", "Behavior", "Sexuality", "Mating" ]
4,548
https://en.wikipedia.org/wiki/Blizzard
A blizzard is a severe snowstorm characterized by strong sustained winds and low visibility, lasting for a prolonged period of time—typically at least three or four hours. A ground blizzard is a weather condition where snow that has already fallen is being blown by wind. Blizzards can have an immense size and usually s...
Blizzard
[ "Physics" ]
5,989
[ "Weather", "Physical phenomena", "Weather hazards" ]
4,571
https://en.wikipedia.org/wiki/Baku%20%28mythology%29
are Japanese supernatural beings that are said to devour nightmares. They originate from the Chinese Mo. According to legend, they were created by the spare pieces that were left over when the gods finished creating all other animals. They have a long history in Japanese folklore and art, and more recently have appeare...
Baku (mythology)
[ "Biology" ]
749
[ "Behavior", "Sleep", "Sleep in mythology and folklore" ]
4,580
https://en.wikipedia.org/wiki/Battery%20Park%20City
Battery Park City is a mainly residential planned community and neighborhood on the west side of the southern tip of the island of Manhattan in New York City. It is bounded by the Hudson River on the west, the Hudson River shoreline on the north and south, and the West Side Highway on the east. The neighborhood is nam...
Battery Park City
[ "Engineering" ]
7,542
[ "Building engineering", "Leadership in Energy and Environmental Design certified buildings" ]
4,595
https://en.wikipedia.org/wiki/Wireless%20broadband
Wireless broadband is a telecommunications technology that provides high-speed wireless Internet access or computer networking access over a wide area. The term encompasses both fixed and mobile broadband. The term broadband Originally the word "broadband" had a technical meaning, but became a marketing term for any k...
Wireless broadband
[ "Technology", "Engineering" ]
1,487
[ "Wireless networking", "Computer networks engineering" ]
4,603
https://en.wikipedia.org/wiki/Booch%20method
The Booch method is a method for object-oriented software development. It is composed of an object modeling language, an iterative object-oriented development process, and a set of recommended practices. The method was authored by Grady Booch when he was working for Rational Software (acquired by IBM), published in 1...
Booch method
[ "Engineering" ]
344
[ "Design", "Software design" ]
4,628
https://en.wikipedia.org/wiki/Bilinear%20transform
The bilinear transform (also known as Tustin's method, after Arnold Tustin) is used in digital signal processing and discrete-time control theory to transform continuous-time system representations to discrete-time and vice versa. The bilinear transform is a special case of a conformal mapping (namely, a Möbius transf...
Bilinear transform
[ "Mathematics" ]
2,126
[ "Functions and mappings", "Applied mathematics", "Control theory", "Mathematical objects", "Mathematical relations", "Transforms", "Dynamical systems" ]
4,640
https://en.wikipedia.org/wiki/Bogie
A bogie ( ) (or truck in North American English) comprises two or more wheelsets (two wheels on an axle), in a frame, attached under a vehicle by a pivot. Bogies take various forms in various modes of transport. A bogie may remain normally attached (as on many railroad cars and semi-trailers) or be quickly detachable (...
Bogie
[ "Engineering" ]
2,507
[ "Vehicle technology", "Mechanical engineering by discipline" ]
4,650
https://en.wikipedia.org/wiki/Black%20hole
A black hole is a region of spacetime wherein gravity is so strong that no matter or electromagnetic energy (e.g. light) can escape it. Albert Einstein's theory of general relativity predicts that a sufficiently compact mass can deform spacetime to form a black hole. The boundary of no escape is called the event horizo...
Black hole
[ "Physics", "Astronomy" ]
12,394
[ "Black holes", "Physical phenomena", "Physical quantities", "Concepts in astronomy", "Galaxies", "Unsolved problems in physics", "Astrophysics", "Density", "Theory of relativity", "Stellar phenomena", "Astronomical objects" ]
4,651
https://en.wikipedia.org/wiki/Beta%20decay
In nuclear physics, beta decay (β-decay) is a type of radioactive decay in which an atomic nucleus emits a beta particle (fast energetic electron or positron), transforming into an isobar of that nuclide. For example, beta decay of a neutron transforms it into a proton by the emission of an electron accompanied by an a...
Beta decay
[ "Physics", "Chemistry" ]
6,572
[ "Radioactivity", "Nuclear physics" ]
4,662
https://en.wikipedia.org/wiki/Bookkeeping
Bookkeeping is the recording of financial transactions, and is part of the process of accounting in business and other organizations. It involves preparing source documents for all transactions, operations, and other events of a business. Transactions include purchases, sales, receipts and payments by an individual per...
Bookkeeping
[ "Technology" ]
2,294
[ "Information systems", "Accounting systems" ]
15,977,138
https://en.wikipedia.org/wiki/Table%20of%20nuclides%20%28segmented%2C%20wide%29
These isotope tables show all of the known isotopes of the chemical elements, arranged with increasing atomic number from left to right and increasing neutron number from top to bottom. Half lives are indicated by the color of each isotope's cell (see color chart in each section). Colored borders indicate half lives o...
Table of nuclides (segmented, wide)
[ "Chemistry" ]
355
[ "Tables of nuclides", "Nuclear chemistry stubs", "Isotope stubs", "Isotopes" ]
15,977,395
https://en.wikipedia.org/wiki/Telly%20%28home%20entertainment%20server%29
The Telly home entertainment server is range of computer systems designed to store, manage, and access all forms of digital media in the home. Based on Interact-TV's Linux Media Center software, it provides user managed libraries for music, photos, and all forms of video from recorded television programming to DVDs. ...
Telly (home entertainment server)
[ "Technology" ]
1,828
[ "Digital video recorders", "Recording devices" ]
15,978,374
https://en.wikipedia.org/wiki/Martin%27s%20maximum
In set theory, a branch of mathematical logic, Martin's maximum, introduced by and named after Donald Martin, is a generalization of the proper forcing axiom, itself a generalization of Martin's axiom. It represents the broadest class of forcings for which a forcing axiom is consistent. Martin's maximum states that...
Martin's maximum
[ "Mathematics" ]
355
[ "Forcing (mathematics)", "Mathematical logic" ]
15,981,895
https://en.wikipedia.org/wiki/Small%20activating%20RNA
Small activating RNAs (saRNAs) are small double-stranded RNAs (dsRNAs) that target gene promoters to induce transcriptional gene activation in a process known as RNA activation (RNAa). Small dsRNAs, such as small interfering RNAs (siRNAs) and microRNAs (miRNAs), are known to be the trigger of an evolutionarily conserv...
Small activating RNA
[ "Chemistry", "Biology" ]
496
[ "Gene expression", "Molecular genetics", "Cellular processes", "Molecular biology", "Biochemistry" ]
15,982,593
https://en.wikipedia.org/wiki/Dead%20mileage
Dead mileage, dead running, light running, empty cars or deadheading in public transport and empty leg in air charter is when a revenue-gaining vehicle operates without carrying or accepting passengers, such as when coming from a garage to begin its first trip of the day. Similar terms in the UK include empty coaching ...
Dead mileage
[ "Physics" ]
595
[ "Physical systems", "Transport", "Transport operations" ]
15,982,783
https://en.wikipedia.org/wiki/Winchester%20measure
Winchester measure is a set of legal standards of volume instituted in the late 15th century (1495) by King Henry VII of England and in use, with some modifications, until the present day. It consists of the Winchester bushel and its dependent quantities, the peck, (dry) gallon and (dry) quart. They would later become ...
Winchester measure
[ "Physics", "Mathematics" ]
1,671
[ "Obsolete units of measurement", "Systems of units", "Physical quantities", "Quantity", "Measurement", "Size", "Units of measurement" ]
15,983,150
https://en.wikipedia.org/wiki/Himalayan%20salt
Himalayan salt is rock salt (halite) mined from the Punjab region of Pakistan. The salt, which often has a pinkish tint due to trace minerals, is primarily used as a food additive to replace refined table salt but is also used for cooking and food presentation, decorative lamps, and spa treatments. The product is often...
Himalayan salt
[ "Chemistry" ]
901
[ "Edible salt", "Salts" ]
15,983,843
https://en.wikipedia.org/wiki/DIDO%20%28software%29
DIDO ( ) is a MATLAB optimal control toolbox for solving general-purpose optimal control problems. It is widely used in academia, industry, and NASA. Hailed as a breakthrough software, DIDO is based on the pseudospectral optimal control theory of Ross and Fahroo. The latest enhancements to DIDO are described in Ross. ...
DIDO (software)
[ "Mathematics" ]
937
[ "Numerical software", "Mathematical software" ]
15,984,030
https://en.wikipedia.org/wiki/Avanti%20%28project%29
Avanti was established by the UK Department of Trade and Industry in 2002 to formulate an approach to collaborative working in order to enable construction project partners to work together effectively. The project was promoted by the Department of Trade and Industry with the support of most of the largest UK firms in ...
Avanti (project)
[ "Engineering" ]
1,306
[ "Construction", "Civil engineering" ]
15,985,108
https://en.wikipedia.org/wiki/Afghanistan%20Information%20Management%20Services
Afghanistan Information Management Services (AIMS) is a Kabul-based Afghan non-governmental organisation (NGO). It specialises in the application of information, communication and technology (Information Communication Technology) solutions, software development, and project management. Background In 1997, AIMS was e...
Afghanistan Information Management Services
[ "Technology" ]
461
[ "Information systems", "Information management" ]
15,985,233
https://en.wikipedia.org/wiki/Quantum%20Byzantine%20agreement
Byzantine fault tolerant protocols are algorithms that are robust to arbitrary types of failures in distributed algorithms. The Byzantine agreement protocol is an essential part of this task. The constant-time quantum version of the Byzantine protocol, is described below. Introduction The Byzantine Agreement protocol ...
Quantum Byzantine agreement
[ "Mathematics", "Technology", "Engineering" ]
1,590
[ "Systems engineering", "Cybersecurity engineering", "Cryptography", "Distributed computing problems", "Reliability engineering", "Applied mathematics", "Technological failures", "Computational problems", "Engineering failures", "Fault tolerance", "Civil engineering", "Mathematical problems" ]
15,985,775
https://en.wikipedia.org/wiki/Protonosphere
The protonosphere is a layer of the Earth's atmosphere (or any planet with a similar atmosphere) where the dominant components are atomic hydrogen and ionic hydrogen (protons). It is the outer part of the ionosphere, and extends to the interplanetary medium. Hydrogen dominates in the outermost layers because it is the...
Protonosphere
[ "Physics", "Astronomy" ]
112
[ "Plasma physics", "Astronomy stubs", "Astrophysics", "Astrophysics stubs", "Plasma physics stubs" ]
10,806,718
https://en.wikipedia.org/wiki/Data%20sharing
Data sharing is the practice of making data used for scholarly research available to other investigators. Many funding agencies, institutions, and publication venues have policies regarding data sharing because transparency and openness are considered by many to be part of the scientific method. A number of funding ag...
Data sharing
[ "Technology" ]
1,850
[ "Scientific misconduct", "Information technology", "Data", "Ethics of science and technology", "Data publishing" ]
10,806,798
https://en.wikipedia.org/wiki/NGC%202244
NGC 2244 (also known as Caldwell 50 or the Satellite Cluster) is an open cluster in the Rosette Nebula, which is located in the constellation Monoceros. This cluster has several O-type stars, super hot stars that generate large amounts of radiation and stellar wind. The age of this cluster has been estimated to be les...
NGC 2244
[ "Astronomy" ]
355
[ "Monoceros", "Constellations" ]