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https://en.wikipedia.org/wiki/Dino%20Cube | The Dino Cube is a cubic twisty puzzle in the style of the Rubik's Cube. It was invented in 1985 by Robert Webb, though it was not mass-produced until ten years later. It has a total of 12 external movable pieces to rearrange, compared to 20 movable pieces on the Rubik's Cube.
History
Robert Webb designed and made the... |
https://en.wikipedia.org/wiki/Spallation | Spallation is a process in which fragments of material (spall) are ejected from a body due to impact or stress. In the context of impact mechanics it describes ejection of material from a target during impact by a projectile. In planetary physics, spallation describes meteoritic impacts on a planetary surface and the e... |
https://en.wikipedia.org/wiki/50S%20ribosomal%20protein%20L25 | 50S ribosomal protein L25 is a protein that in Escherichia coli is encoded by the gene.
Function
This ribosomal protein is a component of the 50S subunit. The protein binds 5S rRNA to form a stable complex. In turn 5S rRNA binds specifically to three proteins, L25, L18 and L5, forming a separate domain of the bacter... |
https://en.wikipedia.org/wiki/Darwinian%20literary%20studies | Darwinian literary studies (also known as literary Darwinism) is a branch of literary criticism that studies literature in the context of evolution by means of natural selection, including gene-culture coevolution. It represents an emerging trend of neo-Darwinian thought in intellectual disciplines beyond those tradit... |
https://en.wikipedia.org/wiki/The%20Billion-Dollar%20Molecule | The Billion-Dollar Molecule is a book by journalist Barry Werth about the founding and early research efforts of the American biotechnology company Vertex Pharmaceuticals, which was founded in 1989 by Joshua Boger and was among the first biotechnology companies to adopt an explicit strategy of rational drug design as o... |
https://en.wikipedia.org/wiki/Tidal%20locking | Tidal locking between a pair of co-orbiting astronomical bodies occurs when one of the objects reaches a state where there is no longer any net change in its rotation rate over the course of a complete orbit. In the case where a tidally locked body possesses synchronous rotation, the object takes just as long to rotate... |
https://en.wikipedia.org/wiki/Network%20convergence | Network convergence refers to the provision of telephone, video and data communication services within a single network. In other words, one company provides services for all forms of communication. Network convergence is primarily driven by development of technology and demand. Users are able to access a wider range o... |
https://en.wikipedia.org/wiki/Silverman%E2%80%93Toeplitz%20theorem | In mathematics, the Silverman–Toeplitz theorem, first proved by Otto Toeplitz, is a result in summability theory characterizing matrix summability methods that are regular. A regular matrix summability method is a matrix transformation of a convergent sequence which preserves the limit.
An infinite matrix with comple... |
https://en.wikipedia.org/wiki/Lunar%20Receiving%20Laboratory | The Lunar Receiving Laboratory (LRL) was a facility at NASA's Lyndon B. Johnson Space Center (Building 37) that was constructed to quarantine astronauts and material brought back from the Moon during the Apollo program to reduce the risk of back-contamination. After recovery at sea, crews from Apollo 11, Apollo 12, and... |
https://en.wikipedia.org/wiki/TYPSET%20and%20RUNOFF | TYPSET is an early document editor that was used with the 1964-released RUNOFF program, one of the earliest text formatting programs to see significant use.
Of two earlier print/formatting programs DITTO and TJ-2, only the latter had, and introduced, text justification; RUNOFF also added pagination.
The name RUNOFF, ... |
https://en.wikipedia.org/wiki/Roma%20%28personification%29 | In ancient Roman religion, Roma was a female deity who personified the city of Rome and more broadly, the Roman state. She was created and promoted to represent and propagate certain of Rome's ideas about itself, and to justify its rule. She was portrayed on coins, sculptures, architectural designs, and at official gam... |
https://en.wikipedia.org/wiki/Cool%27n%27Quiet | AMD Cool'n'Quiet is a CPU dynamic frequency scaling and power saving technology introduced by AMD with its Athlon XP processor line. It works by reducing the processor's clock rate and voltage when the processor is idle. The aim of this technology is to reduce overall power consumption and lower heat generation, allowi... |
https://en.wikipedia.org/wiki/Merodiploid | A merodiploid is a partially diploid bacterium, which has its own chromosome complement and a chromosome fragment introduced by conjugation, transformation or transduction. It can also be defined as an essentially haploid organism that carries a second copy of a part of its genome. The term is derived from the Greek, m... |
https://en.wikipedia.org/wiki/GitKraken | GitKraken (formerly Axosoft) is a software company based in Scottsdale, Arizona. Founded in 2000, the company was purchased in 2020 by Resurgens Technology Partners, and changed its name from Axosoft to GitKraken in 2021.
GitKraken
The company's eponymous product GitKraken is a suite of developer tools. The GitKrake... |
https://en.wikipedia.org/wiki/Pancreatitis | Pancreatitis is a condition characterized by inflammation of the pancreas. The pancreas is a large organ behind the stomach that produces digestive enzymes and a number of hormones. There are two main types: acute pancreatitis, and chronic pancreatitis.
Signs and symptoms of pancreatitis include pain in the upper abd... |
https://en.wikipedia.org/wiki/Non-analytic%20smooth%20function | In mathematics, smooth functions (also called infinitely differentiable functions) and analytic functions are two very important types of functions. One can easily prove that any analytic function of a real argument is smooth. The converse is not true, as demonstrated with the counterexample below.
One of the most imp... |
https://en.wikipedia.org/wiki/Photosensitivity | Photosensitivity is the amount to which an object reacts upon receiving photons, especially visible light. In medicine, the term is principally used for abnormal reactions of the skin, and two types are distinguished, photoallergy and phototoxicity. The photosensitive ganglion cells in the mammalian eye are a separate ... |
https://en.wikipedia.org/wiki/T1%20holin%20family | The Phage T1 Holin (T1 Holin) Family (TC# 1.E.37) is represented in enterobacterial phages T1, RTP and F20, Klebsiella phage KP36, and Escherichia phage ADB-2. All of these possess a putative holin that share a high level of identity. Additionally, Gp9 of E. coli phage phiE49 is similar in sequence. These proteins are... |
https://en.wikipedia.org/wiki/HackerRank | HackerRank is a technology company that focuses on competitive programming challenges for both consumers and businesses. Developers compete by writing programs according to provided specifications. HackerRank's programming challenges can be solved in a variety of programming languages (including Java, C++, PHP, Python,... |
https://en.wikipedia.org/wiki/Dougall%27s%20formula | Dougall's formula may refer to one of two formulas for hypergeometric series, both named after John Dougall:
Dougall's formula for the sum of a 7F6 hypergeometric series
Dougall's formula for the sum of a bilateral hypergeometric series
Hypergeometric functions |
https://en.wikipedia.org/wiki/Necklace%20%28combinatorics%29 | In combinatorics, a k-ary necklace of length n is an equivalence class of n-character strings over an alphabet of size k, taking all rotations as equivalent. It represents a structure with n circularly connected beads which have k available colors.
A k-ary bracelet, also referred to as a turnover (or free) necklace, ... |
https://en.wikipedia.org/wiki/Alexander%20Nabutovsky | Alexander Nabutovsky is a leading Canadian mathematician specializing in differential geometry, geometric calculus of variations and quantitative aspects of topology of manifolds. He is a professor at the University of Toronto Department of Mathematics.
Nabutovsky earned a Ph.D. degree from the Weizmann Institute of... |
https://en.wikipedia.org/wiki/Moto%20%28restaurant%29 | Moto was a molecular gastronomy restaurant in the Fulton River District of Chicago, Illinois known for creating "high-tech" dishes which incorporate elements such as carbonated fruit, edible paper, lasers, and liquid nitrogen for freezing food.
Moto was run by executive chef Homaro Cantu until his suicide in 2015. Sis... |
https://en.wikipedia.org/wiki/European%20Information%20Technologies%20Certification | The European Information Technologies Certification (EITC) programme is an international professional ICT knowledge and skills certification standard. It is developed and governed by the EITCI Institute, a non-profit organization based in Brussels that provides certification of individuals' knowledge and skills in narr... |
https://en.wikipedia.org/wiki/Fibrocartilage%20callus | A fibrocartilage callus is a temporary formation of fibroblasts and chondroblasts which forms at the area of a bone fracture as the bone attempts to heal itself. The cells eventually dissipate and become dormant, lying in the resulting extracellular matrix that is the new bone.
The callus is the first sign of union v... |
https://en.wikipedia.org/wiki/Marcel%20Riesz | Marcel Riesz ( ; 16 November 1886 – 4 September 1969) was a Hungarian mathematician, known for work on summation methods, potential theory, and other parts of analysis, as well as number theory, partial differential equations, and Clifford algebras. He spent most of his career in Lund (Sweden).
Marcel is the younger b... |
https://en.wikipedia.org/wiki/Simalto | SIMALTO – SImultaneous Multi-Attribute Trade Off – is a survey based statistical technique used in market research that helps determine how people prioritise and value alternative product and/or service options of the attributes that make up individual products or services.
A particular specific application of the met... |
https://en.wikipedia.org/wiki/Sue%20Singer | Sue Singer is a British mathematics educator. She is the former headmistress of Guildford High School, a girls' school in Surrey, the former president of the Girls' Schools Association, and the former president of the Mathematical Association.
Career
Singer married and had children before studying at the university le... |
https://en.wikipedia.org/wiki/Ristocetin | Ristocetin is a glycopeptide antibiotic, obtained from Amycolatopsis lurida, previously used to treat staphylococcal infections. It is no longer used clinically because it caused thrombocytopenia and platelet agglutination. It is now used solely to assay those functions in vitro in the diagnosis of conditions such as ... |
https://en.wikipedia.org/wiki/Ferula%20communis | Ferula communis, the giant fennel, is a species of flowering plant in the carrot family Apiaceae. It is related to the common fennel (Foeniculum vulgare), which belongs to the same family.
Ferula communis is a tall herbaceous perennial plant. It is found in Mediterranean and East African woodlands and shrublands.
It w... |
https://en.wikipedia.org/wiki/Institute%20for%20Astronomy%20and%20Astrophysics | The Institute for Astronomy and Astrophysics (IAA) in Brussels is a part of the physics department of the Université Libre de Bruxelles. It is an international center of excellence in the field of nuclear astrophysics. The institute's director is currently Prof. Alain Jorissen. The institute is composed of one full pro... |
https://en.wikipedia.org/wiki/Caramel%20color | Caramel color or caramel coloring is a water-soluble food coloring. It is made by heat treatment of carbohydrates (sugars), in general in the presence of acids, alkalis, or salts, in a process called caramelization. It is more fully oxidized than caramel candy, and has an odor of burnt sugar and a somewhat bitter taste... |
https://en.wikipedia.org/wiki/Philip%20Morrison | Philip Morrison (November 7, 1915 – April 22, 2005) was a professor of physics at the Massachusetts Institute of Technology (MIT). He is known for his work on the Manhattan Project during World War II, and for his later work in quantum physics, nuclear physics high energy astrophysics, and SETI.
A graduate of Carnegie... |
https://en.wikipedia.org/wiki/Isomalathion | Isomalathion is an impurity found in some batches of malathion. Whereas the structure of malation is, generically, RSP(S)(OCH3)2, the connectivity of isomalathion is RSPO(SCH3)(OCH3). It arises by heating malathion. Being significantly more toxic to humans than malathion, it has resulted in human poisonings.
In 1976,... |
https://en.wikipedia.org/wiki/Post%20common%20envelope%20binary | A post-common envelope binary (PCEB) or pre-cataclysmic variable is a binary system consisting of a white dwarf or hot subdwarf and a main-sequence star or a brown dwarf. The star or brown dwarf shared a common envelope with the white dwarf progenitor in the red giant phase. In this scenario the star or brown dwarf los... |
https://en.wikipedia.org/wiki/Henrik%20I.%20Christensen | Henrik Iskov Christensen (born July 16, 1962 in Frederikshavn, Denmark) is a Danish roboticist and Professor of Computer Science at Dept. of Computer Science and Engineering, at the UC San Diego Jacobs School of Engineering. He is also the Director of the Contextual Robotics Institute at UC San Diego.
Prior to UC San ... |
https://en.wikipedia.org/wiki/Ground%20field | In mathematics, a ground field is a field K fixed at the beginning of the discussion.
Use
It is used in various areas of algebra:
In linear algebra
In linear algebra, the concept of a vector space may be developed over any field.
In algebraic geometry
In algebraic geometry, in the foundational developments of André ... |
https://en.wikipedia.org/wiki/Isotype%20%28picture%20language%29 | Isotype (International System of Typographic Picture Education) is a method of showing social, technological, biological, and historical connections in pictorial form. It consists of a set of standardized and abstracted pictorial symbols to represent social-scientific data with specific guidelines on how to combine the... |
https://en.wikipedia.org/wiki/Deoxyguanosine | Deoxyguanosine is composed of the purine nucleobase guanine linked by its N9 nitrogen to the C1 carbon of deoxyribose. It is similar to guanosine, but with one hydroxyl group removed from the 2' position of the ribose sugar (making it deoxyribose). If a phosphate group is attached at the 5' position, it becomes deoxygu... |
https://en.wikipedia.org/wiki/Solvency%20ratio | A solvency ratio measures the extent to which assets cover commitments for future payments, the liabilities.
The solvency ratio of an insurance company is the size of its capital relative to all risks it has taken. The solvency ratio is most often defined as:
The solvency ratio is a measure of the risk an insurer fac... |
https://en.wikipedia.org/wiki/Th%C3%A9venin%27s%20theorem | As originally stated in terms of direct-current resistive circuits only, Thévenin's theorem states that "Any linear electrical network containing only voltage sources, current sources and resistances can be replaced at terminals by an equivalent combination of a voltage source in a series connection with a resistance... |
https://en.wikipedia.org/wiki/Tzanck%20test | In dermatopathology, the Tzanck test, also Tzanck smear, is scraping of an ulcer base to look for Tzanck cells. It is sometimes also called the chickenpox skin test and the herpes skin test. It is a simple, low-cost, and rapid office based test.
Tzanck cells (acantholytic cells) are found in:
Herpes simplex
Varicella... |
https://en.wikipedia.org/wiki/SoundHound | SoundHound AI, Inc. is an audio and speech recognition company founded in 2005. It develops speech recognition, natural language understanding, sound recognition and search technologies. Its featured products include Houndify, a Voice AI developer platform, SoundHound Chat AI, a voice-enabled digital assistant, and mus... |
https://en.wikipedia.org/wiki/Haken%20manifold | In mathematics, a Haken manifold is a compact, P²-irreducible 3-manifold that is sufficiently large, meaning that it contains a properly embedded two-sided incompressible surface. Sometimes one considers only orientable Haken manifolds, in which case a Haken manifold is a compact, orientable, irreducible 3-manifold tha... |
https://en.wikipedia.org/wiki/Agitator%20%28device%29 | An agitator is a device or mechanism to put something into motion by shaking or stirring. There are several types of agitation machines, including washing machine agitators (which rotate back and forth) and magnetic agitators (which contain a magnetic bar rotating in a magnetic field). Agitators can come in many sizes ... |
https://en.wikipedia.org/wiki/Christopher%20Chetsanga | Christopher J. Chetsanga (born 1935 in Murehwa, Rhodesia) is a prominent Zimbabwean scientist who is a member of the African Academy of Sciences and The World Academy of Sciences. He discovered two enzymes involved in DNA repair. He has also held various academic administrative posts like Vice-Chancellor, Director and ... |
https://en.wikipedia.org/wiki/Onset%20of%20deconfinement | The onset of deconfinement refers to the beginning of the creation of deconfined states of strongly interacting matter produced in nucleus-nucleus collisions with increasing collision energy (a quark–gluon plasma).
The onset of deconfinement was predicted by Marek Gazdzicki and Mark I. Gorenstein to be located in the ... |
https://en.wikipedia.org/wiki/Guided%20imagery | Guided imagery (also known as guided affective imagery, or katathym-imaginative psychotherapy) is a mind-body intervention by which a trained practitioner or teacher helps a participant or patient to evoke and generate mental images that simulate or recreate the sensory perception of sights, sounds, tastes, smells, mov... |
https://en.wikipedia.org/wiki/Kurt%20Grelling | Kurt Grelling (2 March 1886 – September 1942) was a German logician and philosopher, member of the Berlin Circle.
Life and work
Kurt Grelling was born on 2 March 1886 in Berlin. His father, the Doctor of Jurisprudence Richard Grelling, and his mother, Margarethe (née Simon), were Jewish. Shortly after his arrival in... |
https://en.wikipedia.org/wiki/Monogenic%20function | A monogenic function is a complex function with a single finite derivative.
More precisely, a function defined on is called monogenic at , if exists and is finite, with:
Alternatively, it can be defined as the above limit having the same value for all paths. Functions can either have a single derivative (monogeni... |
https://en.wikipedia.org/wiki/Microsoft%20Academic | Microsoft Academic was a free internet-based academic search engines for academic publications and literature, developed by Microsoft Research, shut down in 2022. At the same time, OpenAlex was launched and claimed to be a successor to Microsoft Academic.
History
Microsoft Academic gained prominence because it profi... |
https://en.wikipedia.org/wiki/Anthropometric%20measurement%20of%20the%20developing%20fetus | Anthropometry is defined as the scientific study of the human body measurements and proportions. These studies are generally used by clinicians and pathologists for adequate assessments of the growth and development of the fetus at any specific point of gestational maturity. Fetal height, fetal weight, head circumferen... |
https://en.wikipedia.org/wiki/Posterior%20atlantoaxial%20ligament | The posterior atlantoaxial ligament is a broad, thin membrane attached, above, to the lower border of the posterior arch of the atlas; below, to the upper edges of the laminæ of the axis.
It supplies the place of the ligamenta flava, and is in relation, behind, with the Obliqui capitis inferiores.
See also
Atlanto-a... |
https://en.wikipedia.org/wiki/Evidential%20decision%20theory | Evidential decision theory (EDT) is a school of thought within decision theory which states that, when a rational agent is confronted with a set of possible actions, one should select the action with the highest news value, that is, the action which would be indicative of the best outcome in expectation if one received... |
https://en.wikipedia.org/wiki/Gems%20Sensors%20%26%20Controls | Gems Sensors and Controls is a global manufacturer of application engineered sensors. Founded in 1955, it makes level, pressure and flow sensors for use in a wide range of fluids across industry.
Gems Sensors is a division of Fortive Corporation, a company with a presence around the world. The company provides manufac... |
https://en.wikipedia.org/wiki/Fluo-3 | Fluo-3 is a fluorescence indicator of intracellular calcium (Ca2+), developed by Roger Y. Tsien. It is used to measure Ca2+ inside living cells in flow cytometry, and confocal laser scanning microscopy using visible light excitation (compatible with argon laser sources operating at 488 nm). Fluo-3 and derivatives (Flu... |
https://en.wikipedia.org/wiki/Claw-free%20permutation | In the mathematical and computer science field of cryptography, a group of three numbers (x,y,z) is said to be a claw of two permutations f0 and f1 if
f0(x) = f1(y) = z.
A pair of permutations f0 and f1 are said to be claw-free if there is no efficient algorithm for computing a claw.
The terminology claw free was in... |
https://en.wikipedia.org/wiki/Future%20Internet | Future Internet is a general term for research activities on new architectures for the Internet.
History
While the technical development of the Internet was an extensive research topic from the beginning, an increased public awareness of several critical shortcomings in terms of performance, reliability, scalability,... |
https://en.wikipedia.org/wiki/MERSI%20protocol | The MERSI protocol is a cache coherency and memory coherence protocol used by the PowerPC G4. The protocol consists of five states, Modified (M), Exclusive (E), Read Only or Recent (R), Shared (S) and Invalid (I). The M, E, S and I states are the same as in the MESI protocol. The R state is similar to the E state in th... |
https://en.wikipedia.org/wiki/Metabidiminished%20rhombicosidodecahedron | In geometry, the metabidiminished rhombicosidodecahedron is one of the Johnson solids ().
It can be constructed as a rhombicosidodecahedron with two non-opposing pentagonal cupolae () removed.
Related Johnson solids are:
The diminished rhombicosidodecahedron () where one cupola is removed,
The parabidiminished rhomb... |
https://en.wikipedia.org/wiki/Strejc%20method | The Strejc system identification method allows the estimate of the transfer function of a non-periodic, black box-type system based on its step response and is widely used in all branches of industrial and mechanical engineering.
It allows specifically to estimate the order n of the studied system, its time constant a... |
https://en.wikipedia.org/wiki/Rubinisphaera | Rubinisphaera is a genus of bacteria from the family of Planctomycetaceae with two known species. Rubinisphaera brasiliensis has been isolated from water from the Lagoa Vermelha from Brazil.
See also
List of bacterial orders
List of bacteria genera |
https://en.wikipedia.org/wiki/Tietze%27s%20graph | In the mathematical field of graph theory, Tietze's graph is an undirected cubic graph with 12 vertices and 18 edges.
It is named after Heinrich Franz Friedrich Tietze, who showed in 1910 that the Möbius strip can be subdivided into six regions that all touch each other – three along the boundary of the strip and three... |
https://en.wikipedia.org/wiki/Graphics%20tablet | A graphics tablet (also known as a digitizer, digital graphic tablet, pen tablet, drawing tablet, external drawing pad or digital art board) is a computer input device that enables a user to hand-draw images, animations and graphics, with a special pen-like stylus, similar to the way a person draws images with a penci... |
https://en.wikipedia.org/wiki/Unusual%20number | In number theory, an unusual number is a natural number n whose largest prime factor is strictly greater than .
A k-smooth number has all its prime factors less than or equal to k, therefore, an unusual number is non--smooth.
Relation to prime numbers
All prime numbers are unusual.
For any prime p, its multiples less... |
https://en.wikipedia.org/wiki/Hamiltonian%20fluid%20mechanics | Hamiltonian fluid mechanics is the application of Hamiltonian methods to fluid mechanics. Note that this formalism only applies to nondissipative fluids.
Irrotational barotropic flow
Take the simple example of a barotropic, inviscid vorticity-free fluid.
Then, the conjugate fields are the mass density field ρ and the... |
https://en.wikipedia.org/wiki/Silvia%20Heubach | Silvia Heubach is a German-American mathematician specializing in enumerative combinatorics, combinatorial game theory, and bioinformatics. She is a professor of mathematics at California State University, Los Angeles.
Education and career
Heubach earned bachelor's and master's degrees in mathematics and economics fro... |
https://en.wikipedia.org/wiki/Cyclic%20number | A cyclic number is an integer for which cyclic permutations of the digits are successive integer multiples of the number. The most widely known is the six-digit number 142857, whose first six integer multiples are
142857 × 1 = 142857
142857 × 2 = 285714
142857 × 3 = 428571
142857 × 4 = 571428
142857 × 5 = 714285
14285... |
https://en.wikipedia.org/wiki/Little%E2%80%93Parks%20effect | The Little–Parks effect was discovered in 1962 by William A. Little and Ronald D. Parks in experiments with empty and thin-walled superconducting cylinders subjected to a parallel magnetic field. It was one of the first experiments to indicate the importance of Cooper-pairing principle in BCS theory.
The essence of th... |
https://en.wikipedia.org/wiki/Welteislehre | Welteislehre (WEL; "World Ice Theory" or "World Ice Doctrine"), also known as Glazial-Kosmogonie (Glacial Cosmogony), is a discredited cosmological concept proposed by Hanns Hörbiger, an Austrian engineer and inventor. According to his ideas, ice was the basic substance of all cosmic processes, and ice moons, ice plane... |
https://en.wikipedia.org/wiki/Sennit | Sennit is a type of cordage made by plaiting strands of dried fibre or grass. It can be used ornamentally in crafts, like a kind of macramé, or to make straw hats. Sennit is an important material in the cultures of Oceania, where it is used in traditional architecture, boat building, fishing and as an ornamentation.
O... |
https://en.wikipedia.org/wiki/Bessie%20Niemeyer%20Marshall | Bessie Niemeyer Marshall was an American botanical illustrator known for her watercolor paintings of the wildflowers of Lee Memorial Park. Her artwork documented the variety of plant species being preserved in Lee Memorial Park, a Works Progress Administration-funded wildflower and bird sanctuary in Petersburg, Virgin... |
https://en.wikipedia.org/wiki/Universality%20class | In statistical mechanics, a universality class is a collection of mathematical models which share a single scale invariant limit under the process of renormalization group flow. While the models within a class may differ dramatically at finite scales, their behavior will become increasingly similar as the limit scale i... |
https://en.wikipedia.org/wiki/Federico%20Cafiero | Federico Cafiero (24 May 1914 – 7 May 1980) was an Italian mathematician known for his contributions in real analysis, measure and integration theory, and in the theory of ordinary differential equations. In particular, generalizing the Vitali convergence theorem, the Fichera convergence theorem and previous results of... |
https://en.wikipedia.org/wiki/Stable%20polynomial | In the context of the characteristic polynomial of a differential equation or difference equation, a polynomial is said to be stable if either:
all its roots lie in the open left half-plane, or
all its roots lie in the open unit disk.
The first condition provides stability for continuous-time linear systems, and th... |
https://en.wikipedia.org/wiki/Monas%20Hieroglyphica | Monas Hieroglyphica (or The Hieroglyphic Monad) is a book by John Dee, the Elizabethan magus and court astrologer of Elizabeth I of England, published in Antwerp in 1564. It is an exposition of the meaning of an esoteric symbol that he invented.
Dee's Monas Hieroglyphica presents a complex emblem constructed from vari... |
https://en.wikipedia.org/wiki/Russula%20densifolia | Russula densifolia, commonly known as the crowded russula or the reddening russula, is a species of agaric fungus in the family Russulaceae. It was first described in 1833 and given its current name in 1876. A widespread species, it is found in Asia, Europe, and North America, where it fruits on the ground in mixed and... |
https://en.wikipedia.org/wiki/Reversible%20cellular%20automaton | A reversible cellular automaton is a cellular automaton in which every configuration has a unique predecessor. That is, it is a regular grid of cells, each containing a state drawn from a finite set of states, with a rule for updating all cells simultaneously based on the states of their neighbors, such that the previo... |
https://en.wikipedia.org/wiki/Global%20Action%20Fund%20for%20Fungal%20Infections | The Global Action For Fungal Infections (GAFFI), is an international foundation focussed on raising awareness of and collecting worldwide data on fungal disease. Its aim is to make reliable and inexpensive diagnostic tests widely available.
In 2015, GAFFI proposed action to make affordable fungal diagnostic tests and ... |
https://en.wikipedia.org/wiki/Hypophysitis | Hypophysitis refers to an inflammation of the pituitary gland. Hypophysitis is rare and not fully understood.
Signs and symptoms
There are four categories of symptoms and signs. Most commonly, the initial symptoms are headaches and visual disturbances. Some symptoms are derived from the lesser functioning of the aden... |
https://en.wikipedia.org/wiki/Optical%20depth%20%28astrophysics%29 | Optical depth in astrophysics refers to a specific level of transparency. Optical depth and actual depth, and respectively, can vary widely depending on the absorptivity of the astrophysical environment. Indeed, is able to show the relationship between these two quantities and can lead to a greater understanding o... |
https://en.wikipedia.org/wiki/Dixie%20Flag%20Manufacturing%20Company | The Dixie Flag Manufacturing Company, based in San Antonio, Texas, is a prominent U.S. flag manufacturer. The company was founded in 1858.
In June 2015, following the events of the Charleston church shooting, the company announced that it would no longer sell Confederate flags. |
https://en.wikipedia.org/wiki/UQCR11 | UQCR11 (ubiquinol-cytochrome c reductase, complex III sub-unit XI) is a protein that in humans is encoded by the UQCR11 gene. UQCR11 is the smallest known component of Complex III in the mitochondrial respiratory chain.
Structure
The UQCR11 gene, located on the p arm of chromosome 19 in position 13.3, is made up of ... |
https://en.wikipedia.org/wiki/List%20of%20electrical%20engineers | This is a list of electrical engineers (by no means exhaustive), people who have made notable contributions to electrical engineering or computer engineering.
See also
List of engineers - for lists of engineers from other disciplines
List of Russian electrical engineers
Engineers
Electrical Engineers |
https://en.wikipedia.org/wiki/Morpheein | Morpheeins are proteins that can form two or more different homo-oligomers (morpheein forms), but must come apart and change shape to convert between forms. The alternate shape may reassemble to a different oligomer. The shape of the subunit dictates which oligomer is formed. Each oligomer has a finite number of subuni... |
https://en.wikipedia.org/wiki/Journal%20of%20Business%20%26%20Economic%20Statistics | The Journal of Business & Economic Statistics is a quarterly peer-reviewed academic journal published by the American Statistical Association. The journal covers a broad range of applied problems in business and economic statistics, including forecasting, seasonal adjustment, applied demand and cost analysis, applied e... |
https://en.wikipedia.org/wiki/Flag%20of%20Antigua%20and%20Barbuda | The national flag of Antigua and Barbuda was adopted on 27 February 1967 to mark the achievement of self-government. A competition to design the flag was held in which more than 600 local people entered. The winning design was put forth by nationally well-known artist and sculptor Sir Reginald Samuel.
Design and symbo... |
https://en.wikipedia.org/wiki/Oudemansin%20A | Oudemansin A is a natural product first isolated from the basidiomycete fungus Oudemansiella mucida. Its chemical structure was determined by X-ray crystallography in 1979 and absolute stereochemistry by total synthesis. Two closely related derivatives, oudemansin B and X have also been isolated from other basidiomycet... |
https://en.wikipedia.org/wiki/Heuriger | In eastern Austria, a Heuriger (; Austrian dialect pronunciation: Heiriga) is a tavern where local winemakers serve their new wine under a special licence in alternating months during the growing season. Each state in Austria has slightly varying rules on how many Heuriger of a town can be open at any given time and fo... |
https://en.wikipedia.org/wiki/Stauropteridaceae | Stauropteridaceae is a family of ferns or fern-like plants from the Devonian and Upper Carboniferous. |
https://en.wikipedia.org/wiki/Wizzy%20Active%20Lifestyle%20Telephone | The Wizzy Active Lifestyle Telephone (W.A.L.T.) was a prototype "phone companion" created by Apple Computer in collaboration with BellSouth. W.A.L.T. featured "touchscreen, fax functionality, on-display caller ID, a built-in address book, customizable ringtones, and online banking access". The system was based on the P... |
https://en.wikipedia.org/wiki/FoundationDB | FoundationDB is a free and open-source multi-model distributed NoSQL database developed by Apple Inc. with a shared-nothing architecture. The product was designed around a "core" database, with additional features supplied in "layers." The core database exposes an ordered key–value store with transactions. The transact... |
https://en.wikipedia.org/wiki/Florida%20Citrus%20Archives | The Florida Citrus Archives are designated by law as the official citrus archive of Florida.
The designation occurred in 2001. The Senate bill analysis stated "Florida Southern College in Lakeland has accumulated and maintains an extensive collection of citrus related materials. The collection is called The Florida Ci... |
https://en.wikipedia.org/wiki/KeyKOS | KeyKOS is a persistent, pure capability-based operating system for the IBM S/370 mainframe computers. It allows emulating the environments of VM, MVS, and Portable Operating System Interface (POSIX). It is a predecessor of the Extremely Reliable Operating System (EROS), and its successor operating systems, CapROS, and ... |
https://en.wikipedia.org/wiki/DECpc | DECpc was a wide-ranging family of desktop computers, laptops, servers, and workstations sold by Digital Equipment Corporation. The vast majority in the family are based on x86 processors, although the APX 150 uses DEC's own Alpha processor. The line was DEC's first big break into the IBM PC compatible market.
Some en... |
https://en.wikipedia.org/wiki/Graphic%20charter%20of%20government%20communication%20in%20France | The graphic charter of government communication is the graphic charter of the logo of France, used by government services. It was adopted in 1999 by the government of Lionel Jospin and revolves around a logo associating Marianne, the tricolour flag and the motto Liberté, Égalité, Fraternité () to represent the French R... |
https://en.wikipedia.org/wiki/Hyrachyus | Hyrachyus (from Hyrax and "pig") is an extinct genus of perissodactyl mammal that lived in Eocene Europe, North America, and Asia. Its remains have also been found in Jamaica. It is closely related to Lophiodon.
Description
The 1.5-m-long beast was related to palaeotheres, and suspected to be the ancestor of modern t... |
https://en.wikipedia.org/wiki/Jur%20Hronec | Jur Hronec (May 17, 1881; Gočovo, Rožňava District – December 1, 1959; Bratislava) was a Slovak mathematician.
Early years
Jur Hronec was born in Gočovo, Slovakia (then Gócs, Kingdom of Hungary). He grew up in modest circumstances in a farmers family. After graduating from high school in Rožňava he studied mathematic... |
https://en.wikipedia.org/wiki/Starred%20transform | In applied mathematics, the starred transform, or star transform, is a discrete-time variation of the Laplace transform, so-named because of the asterisk or "star" in the customary notation of the sampled signals.
The transform is an operator of a continuous-time function , which is transformed to a function in the f... |
https://en.wikipedia.org/wiki/Gas%20exchange | Gas exchange is the physical process by which gases move passively by diffusion across a surface. For example, this surface might be the air/water interface of a water body, the surface of a gas bubble in a liquid, a gas-permeable membrane, or a biological membrane that forms the boundary between an organism and its ex... |
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