Timeline of scientific discoveries: Difference between revisions
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{{History of science sidebar|startcollapsed=true}} |
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The timeline below shows the date of publication of possible major [[science|scientific]] theories and discoveries, along with the discoverer. In many cases, the discoveries spanned several years. |
The timeline below shows the date of publication of possible major [[science|scientific]] theories and discoveries, along with the discoverer. In many cases, the discoveries spanned several years. |
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==4th century BC== |
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*4th century BC: [[mandrake|Mandragora]] (containing [[atropin]]) was described by [[Theophrastus]] in the fourth century B.C. for treatment of wounds, gout, and sleeplessness, and as a love [[potion]]. By the first century A.D. [[Dioscorides]] recognized wine of mandrake as an [[anaesthetic]] for treatment of pain or sleeplessness, to be given prior to surgery or cautery.<ref name="holzman">{{cite journal|url=http://www.anesthesiology.org/pt/re/anes/fulltext.00000542-199807000-00030.htm;jsessionid=GSJKLv9vLCdQSmpp6vH3xdhnzWN1hy3s7JqMNFpWkHhLbKJT5vLM!741375937!-949856145!8091!-1#P89|title=The Legacy of Atropos|author=Robert S. Holzman, MD|journal=Anesthesiology|volume=89|issue=1|date=July 1998|pages=241–249|accessdate=2007-05-21|pmid=9667313|doi=10.1097/00000542-199807000-00030}} citing J. Arena, Poisoning: Toxicology-Symptoms-Treatments, 3rd edition. Springfield, Charles C. Thomas, 1974, p 345</ref> |
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==3rd century BC== |
==3rd century BC== |
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Template:History of science sidebar The timeline below shows the date of publication of possible major scientific theories and discoveries, along with the discoverer. In many cases, the discoveries spanned several years.
4th century BC
- 4th century BC: Mandragora (containing atropin) was described by Theophrastus in the fourth century B.C. for treatment of wounds, gout, and sleeplessness, and as a love potion. By the first century A.D. Dioscorides recognized wine of mandrake as an anaesthetic for treatment of pain or sleeplessness, to be given prior to surgery or cautery.[1]
3rd century BC
- 323–283 BC – Euclid: wrote a series of 13 books on geometry called The Elements
2nd century BC
- 150s BC – Seleucus of Seleucia: discovery of tides being caused by the moon
2nd century
- 150s Ptolemy: produced the geocentric model of the solar system.
9th century
- Al-Kindi (Alkindus): refutation of the theory of the transmutation of metals
- Al-Khawarizmi (780-850): wrote the first major treatise on Algebra titled "Al-jabr wal-muqabaleh"
10th century
- Muhammad ibn Zakarīya Rāzi (Rhazes): refutation of Aristotelian classical elements and Galenic humorism; and discovery of measles and smallpox, and kerosene and distilled petroleum
- 984 - Ibn Sahl accurately describes the optics which became known as Snell's law of refraction
11th century
- 1021 – Ibn al-Haytham's Book of Optics. First use of controlled experiments and reproducibility of its results.
- 1020s – Avicenna's The Canon of Medicine
- 1054 – Various early astronomers observe supernova (modern designation SN 1054), later correlated to the Crab Nebula.
- Abū Rayhān al-Bīrūnī: beginning of Islamic astronomy and mechanics
12th century
- 1121 – Al-Khazini: variation of gravitation and gravitational potential energy at a distance; the decrease of air density with altitude
- Ibn Bajjah (Avempace): discovery of reaction (precursor to Newton's third law of motion)
- Hibat Allah Abu'l-Barakat al-Baghdaadi (Nathanel): relationship between force and acceleration (a vague foreshadowing of a fundamental law of classical mechanics and a precursor to Newton's second law of motion)
- Averroes: relationship between force, work and kinetic energy
13th century
- 1220–1235 – Robert Grosseteste: rudimentals of the scientific method (see also: Roger Bacon)
- 1242 – Ibn al-Nafis: pulmonary circulation and circulatory system
- Theodoric of Freiberg: correct explanation of rainbow phenomenon
- William of Saint-Cloud: pioneering use of camera obscura to view solar eclipses[2]
14th century
- Before 1327 – William of Ockham: Occam's Razor
- Oxford Calculators: the mean speed theorem
- Jean Buridan: theory of impetus
- Nicole Oresme: discovery of the curvature of light through atmospheric refraction[3]
15th century
- 1494 - Luca Pacioli: first codification of the Double-entry bookkeeping system, which slowly developed in previous centuries[4]
16th century
- 1543 – Copernicus: heliocentric model
- 1543 – Vesalius: pioneering research into human anatomy
- 1552 – Michael Servetus: early research in Europe into pulmonary circulation
- 1570s – Tycho Brahe: detailed astronomical observations
- 1600 – William Gilbert: Earth's magnetic field
17th century
- 1609 – Johannes Kepler: first two laws of planetary motion
- 1610 – Galileo Galilei: Sidereus Nuncius: telescopic observations
- 1614 – John Napier: use of logarithms for calculation[5]
- 1628 – William Harvey: Blood circulation
- 1638 - Galileo Galilei: laws of falling body
- 1643 – Evangelista Torricelli invents the mercury barometer
- 1662 – Robert Boyle: Boyle's law of ideal gas
- 1665 – Philosophical Transactions of the Royal Society first peer reviewed scientific journal published.
- 1665 - Robert Hooke: Discovers the Cell
- 1668 – Francesco Redi: disproved idea of spontaneous generation
- 1669 – Nicholas Steno: Proposes that fossils are organic remains embedded in layers of sediment, basis of stratigraphy
- 1669 – Jan Swammerdam: Species breed true
- 1672 – Sir Isaac Newton: discovers that white light is a spectrum of a mixture of distinct coloured rays
- 1673 - Christiaan Huygens: first study of oscillating system and design of pendulum clocks
- 1675 – Leibniz, Newton: Infinitesimal calculus
- 1675 – Anton van Leeuwenhoek: Observes Microorganisms by Microscope
- 1676 – Ole Rømer: first measurement of the speed of light
- 1687 – Sir Isaac Newton: Classical Mathematical description of the fundamental force of universal gravitation and the three physical laws of motion
18th century
- 1745 – Ewald Jürgen Georg von Kleist first capacitor, the Leyden jar
- 1750 – Joseph Black: describes latent heat
- 1751 – Benjamin Franklin: Lightning is electrical
- 1761 - Mikhail Lomonosov: discovery of the atmosphere of Venus
- 1763 - Thomas Bayes: publishes the first version of Bayes' theorem, paving the way for Bayesian probability
- 1771 – Charles Messier: Publishes catalogue of astronomical objects (Messier Objects) now known to include galaxies, star clusters, and nebulae.
- 1778 – Antoine Lavoisier (and Joseph Priestley): discovery of oxygen leading to end of Phlogiston theory
- 1781 – William Herschel announces discovery of Uranus, expanding the known boundaries of the solar system for the first time in modern history
- 1785 – William Withering: publishes the first definitive account of the use of foxglove (digitalis) for treating dropsy
- 1787 – Jacques Charles: Charles' law of ideal gas
- 1789 – Antoine Lavoisier: law of conservation of mass, basis for chemistry, and the beginning of modern chemistry
- 1796 – Georges Cuvier: Establishes extinction as a fact
- 1796 - Edward Jenner: small pox historical accounting
19th century
- 1800 – Alessandro Volta: discovers electrochemical series and invents the battery
- 1802 – Jean-Baptiste Lamarck: teleological evolution
- 1805 – John Dalton: Atomic Theory in (Chemistry)
- 1820 – Hans Christian Ørsted discovers that a current passed through a wire will deflect the needle of a compass, establishing a deep relationship between electricity and magnetism (electromagnetism).
- 1824 – Carnot: described the Carnot cycle, the idealized heat engine
- 1827 – Georg Ohm: Ohm's law (Electricity)
- 1827 – Amedeo Avogadro: Avogadro's law (Gas law)
- 1828 – Friedrich Wöhler synthesized urea, destroying vitalism
- 1830 - Nikolai Lobachevsky created Non-Euclidean geometry
- 1831 – Michael Faraday discovers electromagnetic induction
- 1833 – Anselme Payen isolates first enzyme, diastase
- 1838 – Matthias Schleiden: all plants are made of cells
- 1838 – Friedrich Bessel: first successful measure of stellar parallax (to star 61 Cygni)
- 1842 – Christian Doppler: Doppler effect
- 1843 – James Prescott Joule: Law of Conservation of energy (First law of thermodynamics), also 1847 – Helmholtz, Conservation of energy
- 1846 – William Morton: discovery of anesthesia
- 1846 – Johann Gottfried Galle and Heinrich Louis d'Arrest: discovery of Neptune
- 1848 – Lord Kelvin: absolute zero
- 1858 – Rudolf Virchow: cells can only arise from pre-existing cells
- 1859 – Charles Darwin and Alfred Wallace: Theory of evolution by natural selection
- 1861 - Louis Pasteur: Germ theory
- 1865 – Gregor Mendel: Mendel's laws of inheritance, basis for genetics
- 1865 – Rudolf Clausius: Definition of Entropy
- 1869 – Dmitri Mendeleev: Periodic table
- 1871 – Lord Rayleigh: Diffuse sky radiation (Rayleigh scattering) explains why sky appears blue
- 1873 – James Clerk Maxwell: Theory of electromagnetism
- 1875 – William Crookes invented the Crookes tube and studied cathode rays
- 1876 – Josiah Willard Gibbs founded chemical thermodynamics, the phase rule
- 1877 – Ludwig Boltzmann: Statistical definition of entropy
- 1887 – Albert A. Michelson and Edward W. Morley: lack of evidence for the aether
- 1895 – Wilhelm Conrad Röntgen discovers x-rays
- 1896 – Henri Becquerel discovers radioactivity
- 1897 – J.J. Thomson discovers the electron in cathode rays
- 1898 – J.J. Thomson proposed the Plum pudding model of an atom
- 1898 – Marie Curie discovers polonium, radium, and coins the term "radioactivity"
- 1900 – Max Planck: Planck's law of black body radiation, basis for quantum theory
20th century
- 1905 – Albert Einstein: theory of special relativity, explanation of Brownian motion, and photoelectric effect
- 1906 – Walther Nernst: Third law of thermodynamics
- 1909 – Fritz Haber: Haber Process for industrial production of ammonia
- 1909 – Robert Andrews Millikan: conducts the Oil drop experiment and determines the charge on an electron
- 1911 – Ernest Rutherford: Atomic nucleus
- 1911 – Heike Kamerlingh Onnes: Superconductivity
- 1912 – Alfred Wegener: Continental drift
- 1912 – Max von Laue : x-ray diffraction
- 1913 – Henry Moseley: defined atomic number
- 1913 – Niels Bohr: Model of the atom
- 1915 – Albert Einstein: theory of general relativity – also David Hilbert
- 1915 – Karl Schwarzschild: discovery of the Schwarzschild radius leading to the identification of black holes
- 1918 – Emmy Noether: Noether's theorem – conditions under which the conservation laws are valid
- 1920 – Arthur Eddington: Stellar nucleosynthesis
- 1924 – Wolfgang Pauli: quantum Pauli exclusion principle
- 1924 – Edwin Hubble: the discovery that the Milky Way is just one of many galaxies
- 1925 – Erwin Schrödinger: Schrödinger equation (Quantum mechanics)
- 1925 – Cecilia Payne-Gaposchkin: Discovery of the composition of the Sun and that Hydrogen is the most abundant element in the Universe
- 1927 – Werner Heisenberg: Uncertainty principle (Quantum mechanics)
- 1927 – Georges Lemaître: Theory of the Big Bang
- 1928 – Paul Dirac: Dirac equation (Quantum mechanics)
- 1929 – Edwin Hubble: Hubble's law of the expanding universe
- 1929 – Lars Onsager's reciprocal relations, a potential fourth law of thermodynamics
- 1932 – James Chadwick: Discovery of the neutron
- 1934 – Clive McCay: Calorie restriction extends the maximum lifespan of another species
- 1938 – Otto Hahn, Lise Meitner and Fritz Strassmann: Nuclear fission
- 1943 – Oswald Avery proves that DNA is the genetic material of the chromosome
- 1947 – William Shockley, John Bardeen and Walter Brattain invent the first transistor
- 1948 – Claude Elwood Shannon: 'A mathematical theory of communication' a seminal paper in Information theory.
- 1948 – Richard Feynman, Julian Schwinger, Sin-Itiro Tomonaga and Freeman Dyson: Quantum electrodynamics
- 1951 – George Otto Gey propagates first cancer cell line, HeLa
- 1952 – Jonas Salk: developed and tested first polio vaccine
- 1953 – Crick and Watson: helical structure of DNA, basis for molecular biology
- 1963 – Lawrence Morley, Fred Vine, and Drummond Matthews: Paleomagnetic stripes in ocean crust as evidence of plate tectonics (Vine-Matthews-Morley hypothesis).
- 1964 – Murray Gell-Mann and George Zweig: postulates quarks leading to the standard model
- 1964 – Arno Penzias and Robert Woodrow Wilson: detection of CMBR providing experimental evidence for the Big Bang
- 1965 – Leonard Hayflick: normal cells divide only a certain number of times: the Hayflick limit
- 1967 – Jocelyn Bell Burnell and Antony Hewish discover first pulsar
- 1983 – Kary Mullis invents the polymerase chain reaction, a key discovery in molecular biology.
- 1986 – Karl Müller and Johannes Bednorz: Discovery of High-temperature superconductivity
- 1994 - Andrew Wiles proves Fermat's Last Theorem
- 1995 – Michel Mayor and Didier Queloz definitively observe the first extrasolar planet around a main sequence star
- 1995 - Eric Cornell, Carl Wieman and Wolfgang Ketterle attained the first Bose-Einstein Condensate with atomic gases, so called fifth state of matter at extremely low temperature.
- 1997 – Roslin Institute: Dolly the sheep was cloned.
- 1997 – CDF and DØ experiments at Fermilab: Top quark.
- 1998 – Supernova Cosmology Project and the High-Z Supernova Search Team: discovery of the accelerated expansion of the Universe / Dark Energy.
21st century
- 2001 – The first draft of the human genome is completed.
- 2003 - Grigori Perelman presents proof of the Poincaré Conjecture.
- 2006 - Shinya Yamanaka generates first induced pluripotent stem cells
- 2010 – J. Craig Venter Institute creates the first synthetic genome for a bacterial cell.[6]
- 2010 - The Neanderthal Genome Project presented preliminary genetic evidence that interbreeding did likely take place and that a small but significant portion of Neanderthal admixture is present in modern non-African populations.[citation needed]
- 2012 - Higgs boson is discovered at CERN (confirmed to 99.999% certainty)
- 2012 - Photonic molecules are discovered at MIT
- 2014 - Exotic hadrons are discovered at the LHCb
See also
- Discovery (observation)
- Timeline of science
- Timeline of scientific thought
- Category:Years in science
References
- ^ Robert S. Holzman, MD (July 1998). "The Legacy of Atropos". Anesthesiology. 89 (1): 241–249. doi:10.1097/00000542-199807000-00030. PMID 9667313. Retrieved 21 May 2007. citing J. Arena, Poisoning: Toxicology-Symptoms-Treatments, 3rd edition. Springfield, Charles C. Thomas, 1974, p 345
- ^ Page 26, (2nd chapter) in: Ronald L. Numbers (ed.) Galileo Goes to Jail, and Other Myths about Science and Religion (Cambridge, MA: Harvard University Press, 2009). Note: the first tree chapters of the book can be found here [1].
- ^ "Kirschner, Stefan, "Nicole Oresme", The Stanford Encyclopedia of Philosophy (Fall 2009 Edition), Edward N. Zalta (ed.)". Plato.stanford.edu. Retrieved 12 August 2011.
- ^ L.M. Smith (1 October 2008). "Luca Pacioli: The Father of Accounting". Acct.tamu.edu. Retrieved 11 August 2011.
- ^ "John Napier and logarithms". Ualr.edu. Retrieved 12 August 2011.
- ^ "JCVI: First Self-Replicating, Synthetic Bacterial Cell Constructed by J. Craig Venter Institute Researchers". jcvi.org. Retrieved 12 February 2013.