1844 in science
Encyclopedia
The year 1844 in science
Science
Science is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe...

and technology
Technology
Technology is the making, usage, and knowledge of tools, machines, techniques, crafts, systems or methods of organization in order to solve a problem or perform a specific function. It can also refer to the collection of such tools, machinery, and procedures. The word technology comes ;...

 involved some significant events, listed below.

Astronomy

  • Friedrich Bessel
    Friedrich Bessel
    -References:* John Frederick William Herschel, A brief notice of the life, researches, and discoveries of Friedrich Wilhelm Bessel, London: Barclay, 1847 -External links:...

     explains the wobbling motions of Sirius
    Sirius
    Sirius is the brightest star in the night sky. With a visual apparent magnitude of −1.46, it is almost twice as bright as Canopus, the next brightest star. The name "Sirius" is derived from the Ancient Greek: Seirios . The star has the Bayer designation Alpha Canis Majoris...

     and Procyon
    Procyon
    Procyon is the brightest star in the constellation Canis Minor. To the naked eye, it appears to be a single star, the seventh brightest in the night sky with a visual apparent magnitude of 0.34...

     by suggesting that these stars have dark companions.

Biology

  • August 1 - Opening of Berlin Zoological Garden.
  • Gabriel Gustav Valentin notes the digestive activity of pancreatic juice
    Pancreatic juice
    Pancreatic juice is a liquid secreted by the pancreas, which contains a variety of enzymes, including trypsinogen, chymotrypsinogen, elastase, carboxypeptidase, pancreatic lipase, and amylase....

    .
  • George Robert Gray
    George Robert Gray
    George Robert Gray FRS was an English zoologist and author, and head of the ornithological section of the British Museum, now the Natural History Museum, in London for forty-one years...

     begins publication in London
    London
    London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

     of The Genera of Birds.
  • Joseph Dalton Hooker
    Joseph Dalton Hooker
    Sir Joseph Dalton Hooker OM, GCSI, CB, MD, FRS was one of the greatest British botanists and explorers of the 19th century. Hooker was a founder of geographical botany, and Charles Darwin's closest friend...

     begins publication of The Botany of the Antarctic Voyage of H.M. Discovery Ships Erebus and Terror ... 1839–1843 in London
    London
    London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

    .

Earth sciences

  • Robert Chambers publishes Vestiges of the Natural History of Creation
    Vestiges of the Natural History of Creation
    Vestiges of the Natural History of Creation is a unique work of speculative natural history published anonymously in England in 1844. It brought together various ideas of stellar evolution with the progressive transmutation of species in an accessible narrative which tied together numerous...

    (anonymously).

Mathematics

  • Joseph Liouville
    Joseph Liouville
    - Life and work :Liouville graduated from the École Polytechnique in 1827. After some years as an assistant at various institutions including the Ecole Centrale Paris, he was appointed as professor at the École Polytechnique in 1838...

     finds the first transcendental number
    Transcendental number
    In mathematics, a transcendental number is a number that is not algebraic—that is, it is not a root of a non-constant polynomial equation with rational coefficients. The most prominent examples of transcendental numbers are π and e...

  • Hermann Grassmann
    Hermann Grassmann
    Hermann Günther Grassmann was a German polymath, renowned in his day as a linguist and now also admired as a mathematician. He was also a physicist, neohumanist, general scholar, and publisher...

     studies vectors with more than three dimensions.

Physics

  • William Robert Grove
    William Robert Grove
    Sir William Robert Grove PC QC FRS was a judge and physical scientist. He anticipated the general theory of the conservation of energy, and was a pioneer of fuel cell technology.-Early life:...

     publishes The Correlation of Physical Forces, the first comprehensive account of the conservation of energy
    Conservation of energy
    The nineteenth century law of conservation of energy is a law of physics. It states that the total amount of energy in an isolated system remains constant over time. The total energy is said to be conserved over time...

    .

Technology

  • January 30 - Charles Goodyear
    Charles Goodyear
    Charles Goodyear was an American inventor who developed a process to vulcanize rubber in 1839 -- a method that he perfected while living and working in Springfield, Massachusetts in 1844, and for which he received patent number 3633 from the United States Patent Office on June 15, 1844Although...

     patent
    Patent
    A patent is a form of intellectual property. It consists of a set of exclusive rights granted by a sovereign state to an inventor or their assignee for a limited period of time in exchange for the public disclosure of an invention....

    s the vulcanisation of rubber
    Rubber
    Natural rubber, also called India rubber or caoutchouc, is an elastomer that was originally derived from latex, a milky colloid produced by some plants. The plants would be ‘tapped’, that is, an incision made into the bark of the tree and the sticky, milk colored latex sap collected and refined...

     in the United States
    United States
    The United States of America is a federal constitutional republic comprising fifty states and a federal district...

    .
  • May 11 - Samuel Morse sends the first message using Morse code
    Morse code
    Morse code is a method of transmitting textual information as a series of on-off tones, lights, or clicks that can be directly understood by a skilled listener or observer without special equipment...

    .
  • Uriah A. Boyden
    Uriah A. Boyden
    Uriah Atherton Boyden was a Boston inventor and mechanical engineer. He was the brother of Seth Boyden....

     develops an improved outward-flow water turbine
    Water turbine
    A water turbine is a rotary engine that takes energy from moving water.Water turbines were developed in the 19th century and were widely used for industrial power prior to electrical grids. Now they are mostly used for electric power generation. They harness a clean and renewable energy...

    .
  • Robert Bunsen
    Robert Bunsen
    Robert Wilhelm Eberhard Bunsen was a German chemist. He investigated emission spectra of heated elements, and discovered caesium and rubidium with Gustav Kirchhoff. Bunsen developed several gas-analytical methods, was a pioneer in photochemistry, and did early work in the field of organoarsenic...

     invents the grease-spot photometer
    Photometer
    In its widest sense, a photometer is an instrument for measuring light intensity or optical properties of solutions or surfaces. Photometers are used to measure:*Illuminance*Irradiance*Light absorption*Scattering of light*Reflection of light*Fluorescence...

    .
  • Thomas and Caleb Pratt design the Pratt truss bridge
    Truss bridge
    A truss bridge is a bridge composed of connected elements which may be stressed from tension, compression, or sometimes both in response to dynamic loads. Truss bridges are one of the oldest types of modern bridges...

    .
  • William Fox Talbot
    William Fox Talbot
    William Henry Fox Talbot was a British inventor and a pioneer of photography. He was the inventor of calotype process, the precursor to most photographic processes of the 19th and 20th centuries. He was also a noted photographer who made major contributions to the development of photography as an...

     publishes the first photographic book, The Pencil of Nature.
  • Dublin iron-founder Richard Turner
    Richard Turner (iron-founder)
    Richard Turner was an Irish iron-founder and manufacturer of glasshouses, born in Dublin.His works included the Palm House at Kew Gardens , the glasshouse in the Winter Gardens at Regent's Park in London, the Palm House at Belfast Botanic Gardens and the Curvilinear Range at the Irish National...

     begins assembing components for the Palm house
    Palm House
    A palm house is a greenhouse that is specialised for the growing of palms and other tropical and subtropical plants. Palm houses require constant heat and were built as status symbols in Victorian Britain...

     at Kew Gardens in London
    London
    London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

    , the first large-scale structural use of wrought iron
    Wrought iron
    thumb|The [[Eiffel tower]] is constructed from [[puddle iron]], a form of wrought ironWrought iron is an iron alloy with a very low carbon...

    .

Awards

  • Copley Medal
    Copley Medal
    The Copley Medal is an award given by the Royal Society of London for "outstanding achievements in research in any branch of science, and alternates between the physical sciences and the biological sciences"...

    : Carlo Matteucci
    Carlo Matteucci
    Carlo Matteucci was an Italian physicist and neurophysiologist who was a pioneer in the study of bioelectricity.-Biography:...

    .
  • Wollaston Medal
    Wollaston Medal
    The Wollaston Medal is a scientific award for geology, the highest award granted by the Geological Society of London.The medal is named after William Hyde Wollaston, and was first awarded in 1831...

     for Geology: William Conybeare.

Births

  • February 1 - G. Stanley Hall
    G. Stanley Hall
    Granville Stanley Hall was a pioneering American psychologist and educator. His interests focused on childhood development and evolutionary theory...

     (d. 1924
    1924 in science
    The year 1924 in science and technology involved some significant events, listed below.-Astronomy and space exploration:* December 30 - Edwin Hubble announces the existence of other galaxies....

    ), American
    United States
    The United States of America is a federal constitutional republic comprising fifty states and a federal district...

     psychologist
    Psychologist
    Psychologist is a professional or academic title used by individuals who are either:* Clinical professionals who work with patients in a variety of therapeutic contexts .* Scientists conducting psychological research or teaching psychology in a college...

    .
  • February 7 - Alexei Pavlovich Fedchenko
    Alexei Pavlovich Fedchenko
    Alexei Pavlovich Fedchenko was a Russian naturalist and explorer well known for his travels in central Asia....

     (d. 1873
    1873 in science
    The year 1873 in science and technology involved some significant events, listed below.-Mathematics:* Charles Hermite proves that the mathematical constant e is a transcendental number....

    ), Russia
    Russia
    Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

    n naturalist
    Naturalist
    Naturalist may refer to:* Practitioner of natural history* Conservationist* Advocate of naturalism * Naturalist , autobiography-See also:* The American Naturalist, periodical* Naturalism...

    .
  • March 25 - Adolf Engler
    Adolf Engler
    Heinrich Gustav Adolf Engler was a German botanist. He is notable for his work on plant taxonomy and phytogeography, like Die Natürlichen Pflanzenfamilien , edited with Karl A. E...

     (d. 1930
    1930 in science
    The year 1930 in science and technology involved some significant events, listed below.-Astronomy and space exploration:* February 18 - Pluto is discovered by Clyde Tombaugh.* Bernhard Schmidt invents the Schmidt Camera.-Atmospheric chemistry:...

    ), German botanist.
  • April 20 - Ludwig Boltzmann
    Ludwig Boltzmann
    Ludwig Eduard Boltzmann was an Austrian physicist famous for his founding contributions in the fields of statistical mechanics and statistical thermodynamics...

     (d. 1906
    1906 in science
    The year 1906 in science and technology involved some significant events, listed below.-Chemistry:* Charles Barkla discovers that each element has a characteristic X-ray and that the degree of penetration of these X-rays is related to the atomic weight of the element.* Mikhail Tsvet first names the...

    ), Austria
    Austria
    Austria , officially the Republic of Austria , is a landlocked country of roughly 8.4 million people in Central Europe. It is bordered by the Czech Republic and Germany to the north, Slovakia and Hungary to the east, Slovenia and Italy to the south, and Switzerland and Liechtenstein to the...

    n physicist
    Physicist
    A physicist is a scientist who studies or practices physics. Physicists study a wide range of physical phenomena in many branches of physics spanning all length scales: from sub-atomic particles of which all ordinary matter is made to the behavior of the material Universe as a whole...

     famous for the invention of statistical mechanics
    Statistical mechanics
    Statistical mechanics or statistical thermodynamicsThe terms statistical mechanics and statistical thermodynamics are used interchangeably...

    .
  • June 10 - Carl Hagenbeck
    Carl Hagenbeck
    Carl Hagenbeck was a merchant of wild animals who supplied many European zoos, as well as P.T. Barnum. He is often considered the father of the modern zoo because he introduced "natural" animal enclosures that included recreations of animals' native habitats without bars...

     (d. 1913
    1913 in science
    The year 1913 in science and technology involved some significant events, listed below.-Chemistry:* Protactinium is first identified by Kasimir Fajans and O. H...

    ), German zoologist.
  • August 6 - James Henry Greathead
    James Henry Greathead
    James Henry Greathead was an engineer renowned for his work on the London Underground railway.-Early life:Greathead was born in Grahamstown, South Africa; of English descent, Greathead's grandfather had emigrated to South Africa in 1820. He was educated at St Andrew's College, Grahamstown, and the...

     (d. 1896
    1896 in science
    The year 1896 in science and technology involved some significant events, listed below.-Mathematics:* The prime number theorem on the distribution of primes is proved.* Charles L...

    ), South Africa
    South Africa
    The Republic of South Africa is a country in southern Africa. Located at the southern tip of Africa, it is divided into nine provinces, with of coastline on the Atlantic and Indian oceans...

    n-born English
    English people
    The English are a nation and ethnic group native to England, who speak English. The English identity is of early mediaeval origin, when they were known in Old English as the Anglecynn. England is now a country of the United Kingdom, and the majority of English people in England are British Citizens...

     civil engineer
    Civil engineer
    A civil engineer is a person who practices civil engineering; the application of planning, designing, constructing, maintaining, and operating infrastructures while protecting the public and environmental health, as well as improving existing infrastructures that have been neglected.Originally, a...

    .
  • August 13 - Friedrich Miescher
    Friedrich Miescher
    Johannes Friedrich Miescher was a Swiss physician and biologist. He was the first researcher to isolate and identify nucleic acid.-Biography:...

     (d. 1895
    1895 in science
    The year 1895 in science and technology involved some significant events, listed below.-Biology:* David Bruce discovers the Trypanosoma parasite carried by the tsetse fly which causes the fatal cattle disease nagana.-Chemistry:...

    ), Swiss biologist
    Biologist
    A biologist is a scientist devoted to and producing results in biology through the study of life. Typically biologists study organisms and their relationship to their environment. Biologists involved in basic research attempt to discover underlying mechanisms that govern how organisms work...

    .
  • August 22 - George W. DeLong
    George W. DeLong
    George Washington DeLong was a United States Navy officer and explorer.- Biography :Born in New York City, he was educated at the United States Naval Academy in Newport, Rhode Island...

     (d. 1881
    1881 in science
    The year 1881 in science and technology involved some significant events, listed below.-Biology:* October - Charles Darwin publishes his last scientific book The Formation of Vegetable Mould through the Action of Worms.* L. S...

    ), American Arctic
    Arctic
    The Arctic is a region located at the northern-most part of the Earth. The Arctic consists of the Arctic Ocean and parts of Canada, Russia, Greenland, the United States, Norway, Sweden, Finland, and Iceland. The Arctic region consists of a vast, ice-covered ocean, surrounded by treeless permafrost...

     explorer.
  • September 11 - Henry Alleyne Nicholson
    Henry Alleyne Nicholson
    Henry Alleyne Nicholson was a British palaeontologist and zoologist.The son of Dr. John Nicholson, a biblical scholar, was born at Penrith, Cumbria on 11 September 1844. He was educated at Appleby Grammar School and at the universities of Göttingen and Edinburgh...

     (d. 1899
    1899 in science
    The year 1899 in science and technology involved some significant events, listed below.-Mathematics:* David Hilbert publishes Grundlagen der Geometrie, proposing a formal set, Hilbert's axioms, to replace Euclid's elements....

    ), English paleontologist and zoologist.
  • October 3 - Patrick Manson
    Patrick Manson
    Sir Patrick Manson was a Scottish physician who made important discoveries in parasitology and was the founder of the tropical medicine field....

     (d. 1922
    1922 in science
    The year 1922 in science and technology involved some significant events, listed below.-Archaeology:* November 4 - British archaeologist Howard Carter and his men find the entrance to King Tutankhamen's tomb in the Valley of the Kings of Egypt.-Biology:...

    ), Scottish
    Scottish people
    The Scottish people , or Scots, are a nation and ethnic group native to Scotland. Historically they emerged from an amalgamation of the Picts and Gaels, incorporating neighbouring Britons to the south as well as invading Germanic peoples such as the Anglo-Saxons and the Norse.In modern use,...

     parasitologist, the "father of tropical medicine" .
  • November 25 - Karl Benz
    Karl Benz
    Karl Friedrich Benz, was a German engine designer and car engineer, generally regarded as the inventor of the gasoline-powered car, and together with Bertha Benz pioneering founder of the automobile manufacturer Mercedes-Benz...

     (d. 1929
    1929 in science
    The year 1929 in science and technology involved some significant events, listed below.-Astronomy and space exploration:* July 17 - Robert H...

    ), German automotive engineer.

Deaths

  • June 19 - Étienne Geoffroy Saint-Hilaire
    Étienne Geoffroy Saint-Hilaire
    Étienne Geoffroy Saint-Hilaire was a French naturalist who established the principle of "unity of composition". He was a colleague of Jean-Baptiste Lamarck and expanded and defended Lamarck's evolutionary theories...

     (b. 1772
    1772 in science
    The year 1772 in science and technology involved some significant events.-Cartography:* Johann Heinrich Lambert publishes seven new map projections, including the Lambert conformal conic, Transverse Mercator and Lambert azimuthal equal area.-Chemistry:...

    ), French
    France
    The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

     naturalist
    Natural history
    Natural history is the scientific research of plants or animals, leaning more towards observational rather than experimental methods of study, and encompasses more research published in magazines than in academic journals. Grouped among the natural sciences, natural history is the systematic study...

    .
  • July 27 - John Dalton
    John Dalton
    John Dalton FRS was an English chemist, meteorologist and physicist. He is best known for his pioneering work in the development of modern atomic theory, and his research into colour blindness .-Early life:John Dalton was born into a Quaker family at Eaglesfield, near Cockermouth, Cumberland,...

     (b. 1766
    1766 in science
    The year 1766 in science and technology involved some significant events.-Biology:* Moses Harris publishes The Aurelian, or, natural history of English insects; namely, moths and butterflies.-Chemistry:...

    ), English
    England
    England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

     chemist
    Chemist
    A chemist is a scientist trained in the study of chemistry. Chemists study the composition of matter and its properties such as density and acidity. Chemists carefully describe the properties they study in terms of quantities, with detail on the level of molecules and their component atoms...

     and physicist
    Physicist
    A physicist is a scientist who studies or practices physics. Physicists study a wide range of physical phenomena in many branches of physics spanning all length scales: from sub-atomic particles of which all ordinary matter is made to the behavior of the material Universe as a whole...

    .
  • August 30 - Francis Baily
    Francis Baily
    Francis Baily was an English astronomer, most famous for his observations of 'Baily's beads' during an eclipse of the Sun.-Life:Baily was born at Newbury in Berkshire in 1774...

     (b. 1774
    1774 in science
    The year 1774 in science and technology involved some significant events.-Chemistry:* August 1 - Joseph Priestley, working at Bowood House, Wiltshire, England, isolates oxygen in the form of a gas, which he calls "dephlogisticated air"....

    ), English astronomer
    Astronomer
    An astronomer is a scientist who studies celestial bodies such as planets, stars and galaxies.Historically, astronomy was more concerned with the classification and description of phenomena in the sky, while astrophysics attempted to explain these phenomena and the differences between them using...

    .
  • December 28 - Thomas Henderson
    Thomas James Henderson
    Thomas James Alan Henderson was a Scottish astronomer noted for being the first person to measure the distance to Alpha Centauri, the major component of the nearest stellar system to Earth, and for being the first Astronomer Royal for Scotland.-Early life:Born in Dundee, Scotland, he was educated...

     (b. 1798
    1798 in science
    The year 1798 in science and technology involved some significant events.-Chemistry:* The element beryllium is discovered by Louis Vauquelin as the oxide in beryl and in emeralds. Friedrich Wöhler and A. A...

    ), Scottish
    Scotland
    Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...

    astronomer.
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