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https://en.wikipedia.org/wiki/DN | DN, dN, or dn may refer to:
Science, technology, and mathematics
Computing and telecommunications
Digital number, the discrete of an analog value sampled by an analog-to-digital converter
Directory number in a phone system
Distinguished Name, an identifier type in the LDAP protocol
Domain name, an identification... |
https://en.wikipedia.org/wiki/1605%20in%20science | The year 1605 in science and technology involved some significant events.
Exploration
Habitation at Port-Royal established by France under Pierre Dugua, Sieur de Mons, the first European colonization of Nova Scotia in North America (at this time part of Acadia); the Gregorian calendar is adopted.
Chemistry
First re... |
https://en.wikipedia.org/wiki/Cyclic%20order | In mathematics, a cyclic order is a way to arrange a set of objects in a circle. Unlike most structures in order theory, a cyclic order is not modeled as a binary relation, such as "". One does not say that east is "more clockwise" than west. Instead, a cyclic order is defined as a ternary relation , meaning "after , o... |
https://en.wikipedia.org/wiki/1879%20in%20science | The year 1879 in science and technology involved some significant events, listed below.
Astronomy
British children's writer and amateur astronomer Agnes Giberne publishes the popular illustrated book Sun, Moon and Stars: Astronomy for Beginners which sells 24,000 copies on both sides of the Atlantic in twenty years.
... |
https://en.wikipedia.org/wiki/1874%20in%20science | The year 1874 in science and technology involved some significant events, listed below.
Astronomy
December 9 – a transit of Venus across the Sun is observed in Muddapur, India, by an astronomical expedition led by Pietro Tacchini
Chemistry
Per Teodor Cleve discovers that didymium is in fact two elements, now known ... |
https://en.wikipedia.org/wiki/1937%20in%20science | The year 1937 in science and technology involved some significant events, listed below.
Astronomy
June 8 – First total solar eclipse to exceed 7 minutes of totality in over 800 years; visible in the Pacific and Peru.
Biology
September 27 – Last definite record of a Bali tiger shot.
Meredith Crawford first publishe... |
https://en.wikipedia.org/wiki/1791%20in%20science | The year 1791 in science and technology involved some significant events.
Biology
Jean Baptiste François Pierre Bulliard begins publication of Histoire des champignons de la France, a significant text in mycology.
Luigi Galvani publishes his discoveries in "animal electricity" (Galvanism).
Chemistry
Nicolas Leblan... |
https://en.wikipedia.org/wiki/1872%20in%20science | The year 1872 in science and technology involved some significant events, listed below.
Chemistry
Robert Chesebrough patents Vaseline in the United States
Eugen Baumann rediscovers polyvinyl chloride
Charles-Adolphe Wurtz discovers the aldol reaction
Conservation
March 1 – Yellowstone National Park is established... |
https://en.wikipedia.org/wiki/1754%20in%20science | The year 1754 in science and technology involved some significant events.
Astronomy
Immanuel Kant, German philosopher, postulates retardation of Earth's orbit.
Chemistry
Joseph Black, Scottish chemist, discovers carbonic acid gas.
Earth sciences
Albert Brahms, Frisian Dijkgraaf, begins publication of Anfangsgründ... |
https://en.wikipedia.org/wiki/Jim%20Marshall%20%28British%20politician%29 | James Marshall (13 March 1941 – 27 May 2004) was a Labour Party politician in the United Kingdom.
Education
Marshall was born into a working-class family in the Attercliffe district of Sheffield. He was educated at Sheffield City Grammar School (now called The City School) on Orchard Lane and the University of Leeds... |
https://en.wikipedia.org/wiki/1818%20in%20science | The year 1818 in science and technology involved some significant events, listed below.
Astronomy
January 3 (21:52 UTC) – Venus occults Jupiter, last occultation of one planet by another before 22 November 2065.
Chemistry
Pierre Joseph Pelletier and Joseph Bienaimé Caventou isolate the alkaloid strychnine in Paris.... |
https://en.wikipedia.org/wiki/1817%20in%20science | The year 1817 in science and technology involved some significant events, listed below.
Biology
Georges Cuvier publishes Le Règne Animal.
Chemistry
Discovery of cadmium by Friedrich Stromeyer.
Discovery of lithium by Johann Arfvedson.
Discovery of selenium by Jöns Jakob Berzelius.
Pierre-Joseph Pelletier and Jos... |
https://en.wikipedia.org/wiki/Matvey%20Gusev | Matvey Matveyevich Gusev () ( in Vyatka, Russia– in Berlin, Germany) was a Russian astronomer who worked at Pulkovo Observatory near St. Petersburg from 1850 to 1852 and then at Vilnius Observatory.
In 1860 he founded the first scientific journal dedicated to math and physics in Russia: Vestnik matematicheskikh nauk (... |
https://en.wikipedia.org/wiki/1816%20in%20science | The year 1816 in science and technology involved some significant events, listed below.
Botany
Botanic Gardens, Sydney, established in Australia.
Chemistry
Veuve Clicquot invents the riddling table process to clarify champagne.
Mathematics
John Farey notes the Farey sequence.
Medicine
René Laennec invents the s... |
https://en.wikipedia.org/wiki/Finite%20Fourier%20transform |
In mathematics the finite Fourier transform may refer to either
another name for discrete-time Fourier transform (DTFT) of a finite-length series. E.g., F.J.Harris (pp. 52–53) describes the finite Fourier transform as a "continuous periodic function" and the discrete Fourier transform (DFT) as "a set of samples of t... |
https://en.wikipedia.org/wiki/Category%20of%20topological%20spaces | In mathematics, the category of topological spaces, often denoted Top, is the category whose objects are topological spaces and whose morphisms are continuous maps. This is a category because the composition of two continuous maps is again continuous, and the identity function is continuous. The study of Top and of pr... |
https://en.wikipedia.org/wiki/Plant%20nursery | A nursery is a place where plants are propagated and grown to a desired size. In a word, a nursery is a centre of seedling production where seedlings are produced and taken care of until transplantation in the main field. Mostly the plants concerned are for gardening, forestry, or conservation biology, rather than agri... |
https://en.wikipedia.org/wiki/Noble%20gas%20compound | In chemistry, noble gas compounds are chemical compounds that include an element from the noble gases, group 18 of the periodic table. Although the noble gases are generally unreactive elements, many such compounds have been observed, particularly involving the element xenon.
From the standpoint of chemistry, the nobl... |
https://en.wikipedia.org/wiki/Birch%20and%20Swinnerton-Dyer%20conjecture | In mathematics, the Birch and Swinnerton-Dyer conjecture (often called the Birch–Swinnerton-Dyer conjecture) describes the set of rational solutions to equations defining an elliptic curve. It is an open problem in the field of number theory and is widely recognized as one of the most challenging mathematical problems.... |
https://en.wikipedia.org/wiki/Lysenkoism | Lysenkoism (, ; , ) was a political campaign led by Soviet biologist Trofim Lysenko against genetics and science-based agriculture in the mid-20th century, rejecting natural selection in favour of a form of Lamarckism, as well as expanding upon the techniques of vernalization and grafting.
More than 3,000 mainstream b... |
https://en.wikipedia.org/wiki/Daniel%20Quillen | Daniel Gray "Dan" Quillen (June 22, 1940 – April 30, 2011) was an American mathematician. He is known for being the "prime architect" of higher algebraic K-theory, for which he was awarded the Cole Prize in 1975 and the Fields Medal in 1978.
From 1984 to 2006, he was the Waynflete Professor of Pure Mathematics at Magd... |
https://en.wikipedia.org/wiki/Jos%C3%A9%20Joaqu%C3%ADn%20Trejos%20Fern%C3%A1ndez | José Joaquín Antonio Trejos Fernández (18 April 1916 10 February 2010) was 35th President of Costa Rica from 1966 to 1970.
His parents were Juan Trejos Quirós and Emilia Fernández Aguilar. As a student he obtained degrees in mathematics and economics from the University of Costa Rica. During Mario Echandi's administrat... |
https://en.wikipedia.org/wiki/WZ | WZ may refer to:
WZ sex-determination system, also known as the ZW sex-determination system
WZ theory, a technique for simplifying certain combinatorial summations in mathematics
Eswatini (FIPS 10-4 country code WZ)
Westdeutsche Zeitung, a German newspaper
Wetzlar, Germany
WinZip, a computer file compression sof... |
https://en.wikipedia.org/wiki/IH |
In science and technology
In medicine
Immune-histochemistry
intrauterine hypoxia
Hepatitis A (infectious hepatitis)
Idiopathic hypersomnia
Intracranial hypertension
Other uses in science and technology
Hydrogen iodide
Induction heating
Induction heater
Industrial hygiene, the control and prevention of haza... |
https://en.wikipedia.org/wiki/Oi | Oi (Also knows as OI) may refer to:
In biology
Grey-faced petrel, also known by its Māori name oi
Orthostatic intolerance, a disorder of the autonomic nervous system
Osteogenesis imperfecta, a group of genetic bone disorders
In business
Oi (telecommunications), the largest landline telephone company in Brazil
Op... |
https://en.wikipedia.org/wiki/RW | RW or rw may refer to:
In arts and entertainment
The Real World (TV series), an American reality television show
Road Wild, a World Championship Wrestling pay-per-view event
Robbie Williams, a British pop star
Robin Williams, an American actor
Roger Waters, British musician
Robot Wars (disambiguation)
In mathem... |
https://en.wikipedia.org/wiki/PCV | PCV may refer to:
Biology and medicine
Packed cell volume, a clinical test
Palm Creek virus, a virus
Polycythemia vera, a disease
Polypoidal choroidal vasculopathy, an eye disease
Procarbazine/CCNU/vincristine, a chemotherapy regimen for brain tumors
Pneumococcal conjugate vaccine
Porcine circovirus, a virus
P... |
https://en.wikipedia.org/wiki/FH | FH, Fh, or fh may refer to:
Businesses and institutions
Danish Trade Union Confederation ()
Faculty of Humanities (The Hong Kong Polytechnic University)
Fachhochschule, in German, a college of higher education
Federation of the Swiss Watch Industry FH
Futura International Airways (IATA code)
Science and technolo... |
https://en.wikipedia.org/wiki/QD | QD may refer to:
Businesses and organizations
QD stores, a chain of discount retail outlets in England
Dobrolet (low-cost airline) (IATA airline designator QD), a Russian low-cost carrier
JC International Airlines (IATA airline designator QD), a Cambodian airline
Science and technology
Quantum dots, in nanotechno... |
https://en.wikipedia.org/wiki/VQ | VQ may refer to:
Nissan VQ engine, an automobile engine
Holden VQ Statesman/Caprice, an automobile
Vector quantization, in signal processing
Ventilation Quotient or Ventilation/perfusion scan, in medicine
Veritable Quandary, a restaurant in Portland, Oregon, US
United States Virgin Islands (FIPS 10-4 country cod... |
https://en.wikipedia.org/wiki/Louis%20Leon%20Thurstone | Louis Leon Thurstone (29 May 1887 – 29 September 1955) was an American pioneer in the fields of psychometrics and psychophysics. He conceived the approach to measurement known as the law of comparative judgment, and is well known for his contributions to factor analysis. A Review of General Psychology survey, published... |
https://en.wikipedia.org/wiki/Infinitesimal%20generator | In mathematics, the term infinitesimal generator may refer to:
an element of the Lie algebra, associated to a Lie group
Infinitesimal generator (stochastic processes), of a stochastic process
infinitesimal generator matrix, of a continuous time Markov chain, a class of stochastic processes
Infinitesimal generator ... |
https://en.wikipedia.org/wiki/1815%20in%20science | The year 1815 in science and technology involved some significant events, listed below.
Astronomy and space science
October 3 – The Chassigny Martian meteorite falls in Chassigny, Haute-Marne, France.
Biology
Jean-Baptiste Lamarck begins publication of Histoire naturelle des animaux sans vertèbres.
Chemistry
Will... |
https://en.wikipedia.org/wiki/1814%20in%20science | The year 1814 in science and technology involved some significant events, listed below.
Chemistry
J. Jacob Berzelius publishes Försök att genom användandet af den electrokemiska theorien och de kemiska proportionerna grundlägga ett rent vettenskapligt system för mineralogien ("An attempt to establish a pure scientifi... |
https://en.wikipedia.org/wiki/1813%20in%20science | The year 1813 in science and technology involved some significant events, listed below.
Biology
April – William Charles Wells reads a paper to the Royal Society of London making the first clear statement about natural selection.
Charles Waterton begins the process of turning his estate at Walton Hall, West Yorkshire... |
https://en.wikipedia.org/wiki/1811%20in%20science | The year 1811 in science and technology involved some significant events, listed below.
Astronomy
March 25 – Great Comet discovered by Honoré Flaugergues.
Biology
Johann Karl Wilhelm Illiger publishes Prodromus systematis mammalium et avium, an updating of Linnean taxonomy and a major influence on the concept of th... |
https://en.wikipedia.org/wiki/Decapod | Decapod may refer to:
Biology
Decapoda, an order of crustaceans such as lobsters and crabs
Decapodiformes, ten-limbed cephalopods with eight arms and two tentacles
Trains
2-10-0, a steam locomotive wheel arrangement known as "Decapod" in the United States
Russian locomotive class Ye made in Russia and the United ... |
https://en.wikipedia.org/wiki/Marvin%20Hewitt | Marvin Harold Hewitt (March 24, 1922 – March 31, 1991) was an American impostor who became, among other things, a university physics professor.
Hewitt was born in Philadelphia on March 24, 1922, the son of Samuel Hewitt, a police officer who was killed in 1947.
Hewitt was a high school drop-out with no qualifications... |
https://en.wikipedia.org/wiki/1810%20in%20science | The year 1810 in science and technology included many events, some of which are listed here.
Chemistry
Chlorine is named by Humphry Davy.
Cantharidin is isolated by Pierre Jean Robiquet from Lytta vesicatoria (Spanish fly) in Paris.
Mathematics
Charles Julien Brianchon proves Brianchon's theorem.
Medicine
John H... |
https://en.wikipedia.org/wiki/Boundary%20value%20problem | In the study of differential equations, a boundary-value problem is a differential equation subjected to constraints called boundary conditions. A solution to a boundary value problem is a solution to the differential equation which also satisfies the boundary conditions.
Boundary value problems arise in several branc... |
https://en.wikipedia.org/wiki/SFA | SFA may refer to:
In science and technology
In medicine
Superficial femoral artery, a large artery in the thigh
In chemistry
Saturated fatty acid, a type of fatty acid with no double bonds
Segmented flow analysis, a technique and class of instrument used in chemical analysis
Sodium fluoroacetate, an organofluor... |
https://en.wikipedia.org/wiki/1790%20in%20science | The year 1790 in science and technology involved some significant events.
Astronomy
Armagh Observatory, founded in Ireland by Richard Robinson, 1st Baron Rokeby, Archbishop of Armagh, begins to function.
Biology
English ornithologist John Latham publishes his Index Ornithologicus, including a scientific description... |
https://en.wikipedia.org/wiki/1927%20in%20science | The year 1927 in science and technology involved some significant events, listed below.
Astronomy and astrophysics
Edward Emerson Barnard's A Photographic Atlas of Selected Regions of the Milky Way is published posthumously.
Botany
The Cholodny-Went model of tropism in emerging monocotyledon shoots is first propose... |
https://en.wikipedia.org/wiki/1926%20in%20science | The year 1926 in science and technology involved some significant events, listed below.
Astronomy and space exploration
March 16 – Robert Goddard launches the first liquid-fueled rocket, at Auburn, Massachusetts. This was considered by some to be the start of the space age, although his rocket did not reach outer spa... |
https://en.wikipedia.org/wiki/1862%20in%20science | The year 1862 in science and technology involved some significant events, listed below.
Astronomy
January 31 – Alvan Graham Clark makes the first observation of Sirius B, a white dwarf star, through an eighteen-inch telescope at Northwestern University in Illinois.
Biology
May 15 – Charles Darwin publishes On the v... |
https://en.wikipedia.org/wiki/1775%20in%20science | The year 1775 in science and technology involved some significant events.
Biology
The cheetah (Acinonyx jubatus) is described.
Chemistry
May 25 – Joseph Priestley's account of his isolation of oxygen in the form of a gas ("dephlogisticated air") is read to the Royal Society of London.
Torbern Bergman's ("A Disser... |
https://en.wikipedia.org/wiki/Eugen%20S%C3%A4nger | Eugen Sänger (22 September 1905 – 10 February 1964) was an Austrian aerospace engineer best known for his contributions to lifting body and ramjet technology.
Early career
Sänger was born in the former mining town of Preßnitz (Přísečnice), near Komotau in Bohemia, at that time part of the Austro-Hungarian Empire. He... |
https://en.wikipedia.org/wiki/1752%20in%20science | The year 1752 in science and technology involved some significant events.
Biology
Establishment of Tiergarten Schönbrunn in Vienna, the world's oldest zoo.
Chemistry
Thomas Melvill delivers a lecture entitled Observations on light and colours to the Medical Society of Edinburgh, a precursor of flame emission spectr... |
https://en.wikipedia.org/wiki/1896%20in%20science | The year 1896 in science and technology involved some significant events, listed below.
Chemistry
Svante Arrhenius formulates the "greenhouse law" and becomes the first person to predict that emissions of carbon dioxide from the burning of fossil fuels and other combustion processes are large enough to cause global w... |
https://en.wikipedia.org/wiki/1762%20in%20science | The year 1762 in science and technology involved some significant events.
Biology
Charles Bonnet's Considerations sur les corps organisées is published in Amsterdam, synthesising current knowledge of cell biology and presenting his theory of palingenesis, intended to refute the theory of epigenesis.
Courses begin at... |
https://en.wikipedia.org/wiki/1771%20in%20science | The year 1771 in science and technology involved some significant events.
Astronomy
Lagrange discusses how numerous astronomical observations should be combined so as to give the most probable result.
Chemistry
British apothecary Thomas Henry invents a process for preparing magnesium oxide.
Exploration
August 17 ... |
https://en.wikipedia.org/wiki/1897%20in%20science | The year 1897 in science and technology involved some significant events, listed below.
Chemistry
April 30 – J. J. Thomson first describes his discovery of the electron, in England.
Earth sciences
June 12 – 1897 Assam earthquake of magnitude of 8.0 rocks Assam, India, killing over 1,500 people.
History of science ... |
https://en.wikipedia.org/wiki/1776%20in%20science | The year 1776 in science and technology involved some significant events.
Astronomy
Lagrange publishes a paper on the stability of planetary orbits.
Botany
William Withering publishes The Botanical Arrangement of all the Vegetables Naturally Growing in Great Britain, the first flora in English based on Linnaean tax... |
https://en.wikipedia.org/wiki/1895%20in%20science | The year 1895 in science and technology involved some significant events, listed below.
Biology
April 26 – The New York Zoological Society, the modern-day Wildlife Conservation Society, is chartered.
David Bruce discovers the Trypanosoma parasite carried by the tsetse fly which causes the fatal cattle disease nagana... |
https://en.wikipedia.org/wiki/1768%20in%20science | The year 1768 in science and technology involved some significant events.
Biology
Steller's sea cow is hunted to extinction.
Josephus Nicolaus Laurenti becomes auctor of the class of reptiles through his on the poisonous function of reptiles and amphibians. He also publishes describing the olm, one of the first ac... |
https://en.wikipedia.org/wiki/1802%20in%20science | The year 1802 in science and technology involved some significant events, listed below.
Astronomy
March 28 – H. W. Olbers discovers the asteroid Pallas, the second known.
May 6 – William Herschel coins the term asteroid and on July 1 first uses the term binary star to refer to a star which revolves around another.
... |
https://en.wikipedia.org/wiki/Atomic%20spectroscopy | In physics, atomic spectroscopy is the study of the electromagnetic radiation absorbed and emitted by atoms. Since unique elements have unique emission spectra, atomic spectroscopy is applied for determination of elemental compositions. It can be divided by atomization source or by the type of spectroscopy used. In th... |
https://en.wikipedia.org/wiki/1884%20in%20science | The year 1884 in science and technology involved some significant events, listed below.
Chemistry
October 14 – George Eastman is granted his first patents for photographic roll film in the United States.
J. H. van 't Hoff proposes the Arrhenius equation for the temperature dependence of the reaction rate constant, a... |
https://en.wikipedia.org/wiki/1891%20in%20science | The year 1891 in science and technology involved some significant events, listed below.
Biology
March 3 – Yellowstone Timberland Reserve, predecessor of Shoshone National Forest, in Wyoming is established as the first United States National Forest.
The New Zealand government sets aside Resolution Island in Fiordland... |
https://en.wikipedia.org/wiki/1766%20in%20science | The year 1766 in science and technology involved some significant events.
Astronomy
Lagrange submits a paper on the movements of Jupiter's satellites to the French Academy of Sciences.
Biology
April 9 – American botanist John Bartram completes his first exploration and cataloging of North American plants after more... |
https://en.wikipedia.org/wiki/1749%20in%20science | The year 1749 in science and technology involved some significant events.
Astronomy
Pierre Bouguer publishes La figure de la terre in Paris, describing some of the results of his work with Charles Marie de La Condamine on the French Geodesic Mission to Peru (begun in 1735) to measure a degree of the meridian arc near... |
https://en.wikipedia.org/wiki/1745%20in%20science | The year 1745 in science and technology involved some significant events.
Astronomy
The Omega Nebula, Messier 25, Messier 35, and IC 4665 are discovered by Philippe Loys de Chéseaux.
Biology
Charles Bonnet publishes his first work on entomology, entitled Traité d'insectologie.
Geography
The Cassini projection, a ... |
https://en.wikipedia.org/wiki/1746%20in%20science | The year 1746 in science and technology involved some significant events.
Chemistry
John Roebuck invents the lead-chamber process for the manufacture of sulfuric acid.
German chemist Andreas Sigismund Marggraf (1709–1782) is credited with describing zinc as a separate metal.
Eva Ekeblad discovers how to make flour ... |
https://en.wikipedia.org/wiki/Psychophysics | Psychophysics quantitatively investigates the relationship between physical stimuli and the sensations and perceptions they produce. Psychophysics has been described as "the scientific study of the relation between stimulus and sensation" or, more completely, as "the analysis of perceptual processes by studying the ef... |
https://en.wikipedia.org/wiki/1756%20in%20science | The year 1756 in science and technology involved some significant events.
Chemistry
Joseph Black describes how carbonates become more alkaline when they lose carbon dioxide, whereas the taking-up of carbon dioxide reconverts them.
Scottish physician Francis Home publishes Experiments on Bleaching in Edinburgh.
Mikh... |
https://en.wikipedia.org/wiki/Audio-Animatronics | Audio-Animatronics (also known as simply Animatronics, and sometimes shortened to AAs) is the registered trademark for a form of robotics animation created by Walt Disney Imagineering for shows and attractions at Disney theme parks, and subsequently expanded on and used by other companies. The robots move and make nois... |
https://en.wikipedia.org/wiki/Path%20integral%20formulation | The path integral formulation is a description in quantum mechanics that generalizes the action principle of classical mechanics. It replaces the classical notion of a single, unique classical trajectory for a system with a sum, or functional integral, over an infinity of quantum-mechanically possible trajectories to ... |
https://en.wikipedia.org/wiki/1890%20in%20science | The year 1890 in science and technology involved some significant events, listed below.
Biology
September 25 – Sequoia National Park created in the United States.
October 1 – Yosemite National Park created in the United States.
Walter Heape successfully breeds rabbits from fertilised ova transferred from the biolog... |
https://en.wikipedia.org/wiki/1777%20in%20science | The year 1777 in science and technology involved some significant events.
Exploration
March – Third voyage of James Cook: English explorer Captain Cook discovers Mangaia and Atiu in the Cook Islands.
Mathematics
Leonhard Euler introduces the symbol i to represent the square root of −1.
Technology
probable date – ... |
https://en.wikipedia.org/wiki/1606%20in%20science | The year 1606 in science and technology involved some significant events.
Cryptography
The cryptographic text Steganographia, written by Johannes Trithemius c.1499/1500, is published in Frankfurt.
Exploration
February 26
Dutch navigator Willem Janszoon makes the first confirmed sighting of Australia by a European.... |
https://en.wikipedia.org/wiki/1855%20in%20science | The year 1855 in science and technology involved some significant events, listed below.
Biology
September – Alfred Russel Wallace publishes "On the Law which has Regulated the Introduction of New Species", which he has written while working in Sarawak on the island of Borneo in February; in December, Edward Blyth bri... |
https://en.wikipedia.org/wiki/1873%20in%20science | The year 1873 in science and technology involved some significant events, listed below.
Chemistry
Jacobus Henricus van 't Hoff and Joseph Achille Le Bel, working independently, develop a model of chemical bonding that explains the chirality experiments of Pasteur and provides a physical cause for optical activity in ... |
https://en.wikipedia.org/wiki/1875%20in%20science | The year 1875 in science and technology involved some significant events, listed below.
Chemistry
Gallium is discovered spectroscopically by French chemist Paul Emile Lecoq de Boisbaudran. Later in this year he obtains the free metal by electrolysis of its hydroxide and names it. This is the first of Dmitri Mendeleev... |
https://en.wikipedia.org/wiki/1853%20in%20science | The year 1853 in science and technology involved some significant events, listed below.
Biology
March 17 – Claude Bernard presents his doctoral thesis describing the glycogenetic function of the liver.
Anton de Bary publishes the first study demonstrating that rust and smut fungi cause plant disease.
Exploration
N... |
https://en.wikipedia.org/wiki/1889%20in%20science | The year 1889 in science and technology involved some significant events, listed below.
Biology
Francis Galton publishes Natural Inheritance, a book which summarizes the results of a number of his papers and inspires Karl Pearson, Raphael Weldon and others to develop the mathematics and statistics of inheritance and ... |
https://en.wikipedia.org/wiki/Moving%20frame | In mathematics, a moving frame is a flexible generalization of the notion of an ordered basis of a vector space often used to study the extrinsic differential geometry of smooth manifolds embedded in a homogeneous space.
Introduction
In lay terms, a frame of reference is a system of measuring rods used by an observer... |
https://en.wikipedia.org/wiki/1706%20in%20science | The year 1706 in science and technology involved some significant events.
Mathematics
William Jones publishes Synopsis palmariorum matheseos or, A New Introduction to the Mathematics, Containing the Principles of Arithmetic and Geometry Demonstrated in a Short and Easie Method ... Designed for ... Beginners in which ... |
https://en.wikipedia.org/wiki/Modular%20equation | In mathematics, a modular equation is an algebraic equation satisfied by moduli, in the sense of moduli problems. That is, given a number of functions on a moduli space, a modular equation is an equation holding between them, or in other words an identity for moduli.
The most frequent use of the term modular equation ... |
https://en.wikipedia.org/wiki/Electron%20cyclotron%20resonance | Electron cyclotron resonance (ECR) is a phenomenon observed in plasma physics, condensed matter physics, and accelerator physics. It happens when the frequency of incident radiation coincides with the natural frequency of rotation of electrons in magnetic fields. A free electron in a static and uniform magnetic field w... |
https://en.wikipedia.org/wiki/Willard%20Harrison%20Bennett | Willard Harrison Bennett (June 13, 1903 – September 28, 1987) was an American scientist and inventor, born in Findlay, Ohio. Bennett conducted research into plasma physics, astrophysics, geophysics, surface physics, and physical chemistry. The Bennett pinch is named after him.
Biography
Born in Findlay, Ohio, Bennett ... |
https://en.wikipedia.org/wiki/Jean-Pierre%20Vigier | Jean-Pierre Vigier (16 January 19204 May 2004) was a French theoretical physicist, known for his work on the foundations of physics, in particular on his stochastic interpretation of quantum physics.
Education
A native of Paris, Vigier earned his PhD in mathematics from University of Geneva in 1946 with a study on Inf... |
https://en.wikipedia.org/wiki/Oscar%20Buneman | Oscar Buneman (28 September 1913 – 24 January 1993) made advances in science, engineering, and mathematics. Buneman was a pioneer of computational plasma physics and plasma simulation.
Career
In 1940 upon completion of his PhD with Douglas Hartree, Buneman joined Hartree's magnetron research group assisting the develo... |
https://en.wikipedia.org/wiki/Gerrit%20Verschuur | Gerrit L. Verschuur (born in 1937 in Cape Town, South Africa) is an American scientist who is best known for his work in radio astronomy. Though a pioneer in that field, Verschuur is also an author (he has written about astronomy, natural disasters, and earth sciences), inventor, adjunct professor of physics for the Un... |
https://en.wikipedia.org/wiki/1893%20in%20science | The year 1893 in science and technology involved some significant events, listed below.
Biology
July 11 – Kōkichi Mikimoto, in Japan, develops the method to seed and grow cultured pearls.
Henry Luke Bolley discovers a method of treating smut with formaldehyde.
Chemistry
Hans Goldschmidt discovers the thermite reac... |
https://en.wikipedia.org/wiki/1878%20in%20science | The year 1878 in science and technology involved many significant events, listed below.
Astronomy
English astronomer Richard A. Proctor describes the Zone of Avoidance, the area of the night sky that is obscured by our own galaxy, for the first time.
Biology
Death of last confirmed Cape Lion.
Chemistry
The rare e... |
https://en.wikipedia.org/wiki/Assignment | Assignment, assign or The Assignment may refer to:
Homework
Sex assignment
The process of sending National Basketball Association players to its development league; see
Computing
Assignment (computer science), a type of modification to a variable
Drive letter assignment, the process of assigning alphabetical ide... |
https://en.wikipedia.org/wiki/1795%20in%20science | The year 1795 in science and technology involved some significant events.
Astronomy
December 13 – A meteorite falls to Earth at Wold Newton, East Riding of Yorkshire, England, the first to be recognised in modern times.
Botany
National Botanic Gardens (Ireland) opened by the Royal Dublin Society.
Mathematics
The ... |
https://en.wikipedia.org/wiki/1798%20in%20science | The year 1798 in science and technology involved some significant events.
Astronomy
Caroline Herschel's index and updating of Flamsteed's star catalogue is published by the Royal Society of London.
Chemistry
The element beryllium is discovered by Louis Vauquelin as the oxide in beryl and in emeralds. Friedrich Wöhl... |
https://en.wikipedia.org/wiki/1797%20in%20science | The year 1797 in science and technology involved some significant events.
Chemistry
Smithson Tennant demonstrates that diamond is a pure form of carbon.
Louis Nicolas Vauquelin discovers chromium.
Joseph Proust proposes the law of definite proportions, which states that elements always combine in small, whole numbe... |
https://en.wikipedia.org/wiki/1800%20in%20science | The year 1800 in science and technology included many significant events.
Events
January 13 – Royal Institution of Great Britain granted a royal charter.
Astronomy
The central star of the Ring Nebula is discovered by Friedrich von Hahn: the central star is a white dwarf star with a temperature of between 100,000 an... |
https://en.wikipedia.org/wiki/1805%20in%20science | Significant events in 1805 in science and technology are listed.
Biology
Jean Henri Jaume Saint-Hilaire publishes Exposition des Familles naturelles et de la Germination des Plantes, contentant la description de 2337 genres et d'environ 4000 espèces, 112 planches dont les figures ont ete dessinées par l'auteur, popul... |
https://en.wikipedia.org/wiki/1806%20in%20science | The year 1806 in science and technology involved some significant events, listed below.
Biology
Publication begins in London of the Flora Graeca collected by John Sibthorp.
Pierre André Latreille begins publication in France of .
Chemistry
November 20 – Humphry Davy presents the results of his researches in the el... |
https://en.wikipedia.org/wiki/Smarandache%E2%80%93Wellin%20number | In mathematics, a Smarandache–Wellin number is an integer that in a given base is the concatenation of the first n prime numbers written in that base. Smarandache–Wellin numbers are named after Florentin Smarandache and Paul R. Wellin.
The first decimal Smarandache–Wellin numbers are:
2, 23, 235, 2357, 235711, 235711... |
https://en.wikipedia.org/wiki/1863%20in%20science | The year 1863 in science and technology involved some significant events, listed below.
Chemistry
August 1 – Friedrich Bayer founds the chemical manufacturing company of Bayer at Barmen in Germany.
Teerfarbenfabrik Meister, Lucius & Co. of Höchst (Frankfurt) in Germany produce a green dye from coal tar.
French chem... |
https://en.wikipedia.org/wiki/1886%20in%20science | The year 1886 in science and technology involved some significant events, listed below.
Astronomy
Dorothea Klumpke takes up a post at the Paris Observatory, becoming Director of the Bureau of Measurements.
Chemistry
February 6 – German chemist Clemens Winkler discovers chemical element Germanium.
June 26 – Henri M... |
https://en.wikipedia.org/wiki/1883%20in%20science | The year 1883 in science and technology involved some significant events, listed below.
Chemistry
Svante Arrhenius develops ion theory to explain conductivity in electrolytes.
The Claus process is first patented by German chemist Carl Friedrich Claus.
The Schotten–Baumann reaction is first described by chemists Car... |
https://en.wikipedia.org/wiki/1882%20in%20science | The year 1882 in science and technology involved some significant events, listed below.
Astronomy
September – Great Comet of 1882 sighted.
December 6 – Transit of Venus, 1882.
Biology
March 24 – Robert Koch announces his discovery of the bacterium responsible for tuberculosis, Mycobacterium tuberculosis.
Élie Met... |
https://en.wikipedia.org/wiki/1880%20in%20science | The year 1880 in science and technology included many events, some of which are listed here.
Astronomy
September 30 – American doctor Henry Draper takes the first photograph of the Orion Nebula, from Hastings-on-Hudson, New York; this year he also photographs the spectrum of Jupiter.
Mathematics
F. Landry finds the... |
https://en.wikipedia.org/wiki/1876%20in%20science | The year 1876 in science and technology involved some significant events, listed below.
Astronomy
December 7 – First recorded observation of the Great White Spot on Saturn, made by American astronomer Asaph Hall, who uses it to calculate the planet's rotation period.
Biology
Robert Koch demonstrates that Bacillus a... |
https://en.wikipedia.org/wiki/1868%20in%20science | The year 1868 in science and technology involved some significant events, listed below.
Biology
January 30 – Publication of Charles Darwin's The Variation of Animals and Plants Under Domestication (by John Murray in London), including his theory of heredity, which he calls pangenesis.
Jules-Emile Planchon and collea... |
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