【正文】 e Forest invented the triode vacuum tube 1906 Thomson discovered the electron 1908 the Tunguska event major damage to a forest region in Siberia caused by a et or meteorite 1908 Ford produced the Model T automobile 1908 Wegener proposed theory of continental drift 1909 The Piltdown Man hoax a fake archeological discovery announced by dishonest scientists who wanted to prove that human beings had evolved in Europe 1911 Rutherford discovered that the positive charge in an atom is concentrated in a small nucleus。 discovered moons 1989 An asteroid came relatively close to colliding with the earth 1990 Hubble Space Telescope launched。 wrote a book on magism 1608 Lippershey invented the telescope 1609 Galileo built 20X telescope, discovered craters and mountains on the moon 1609 Kepler announced his 1st and 2nd laws 1613 Galileo discovered sunspots 1614 Napier discovered logarithms 1616 Galileo called to Rome and ordered to stop supporting the Copernican theory 1619 Kepler announced his 3rd law 1619 The first slaves transported to America 1620 Bacon published Novum Organum (scientific method and inductive reasoning) 1621 Snell discovered the law of refraction 1628 Harvey published a book describing blood circulation 1633 The Inquisition denounced Galileo 1637 Descartes Published Geometry 1638 Galileo published Discourses Concerning Two New Sciences, summarizing the principles of mechanics 1642 Pascal invented the mechanical adding machine 1650 Archbishop Usher estimated by reading the Bible that the earth was created on October 23, 4004 BC at 9:00 AM 1652 Pascal discovered laws of fluid pressure 1654 Guericke invented the vacuum pump 1660 Redi disproved theory of spontaneous generation with experiment on flies 1666 Newton invented the calculus 1666 Newton discovered glass prism separates white light into spectrum 1675 Leibniz independently invented the calculus 1687 Newton published Principia, describing the laws of motion 1690 Locke published Essay Concerning Human Understanding (empiricism, tabula rasa) 1692 The first witchcraft trials in Salem, Massachusetts 1704 Newton published Opticks 1738 Bernoulli proposed laws of fluid mechanics 1758 Linnaeus developed taxonomy of species, proposed binomial nomenclature 1764 Hargreaves invented the spinning jenny 1769 Watt invented the modern steam engine 1777 Lavoisier proposed idea of chemical pounds made of elements 1781 Herschel discovered Uranus 1783 Michel and Montgolfier invented the hot air balloon。 H. Spencer, Principles of Psychology. 1856 Bessemer’s converter enables mass production of steel . Perkin produces aniline dyes, permitting brightly colored cottons. 1857 Pasteur experiments with fermentation. 1858 First TransAtlantic Cable pleted Cathode rays discovered. 1859 Charles Darwin, The Origin of Species. Edwin Drake strikes oil in Pennsylvania. Etienne Lenoir demonstrates the first successful gasoline engine. 1860 Science degrees at University of London. 1861 Universal milling machine invented。 Faraday discovers electromagic current, making possible generators and electric engines. British Association for the Advancement of Science founded 1834 Charles Babbage develops his analytic enginethe forerunner of the puter. Fox Talbot produces photographs. 1835 Colt revolver 1837 Morse develops the telegraph and Morse Code. Great Westernfirst oceangoing steamship. 1838 Daguerre perfects the Daguerrotype. 1839 Fox Talbot introduces photographic paper. 1840 Whewell, Philosophy of Inductive Sciences. 1842 Crawford Long uses ether in a minor operation. 1843 Great Britainfirst large, iron, screwpropelled steamship Typewriter invented. 1844 Chambers, Vestiges of the Natural History of Creation. Commercial use of Morse’s telegraph (Baltimore to Washington). c. 1845 Turretlathe. 1846 Pneumatic tire patented First telegraph cable laid under the Channel. Ether used in a major operation. Elias Howe invents sewing machine. 1847 Boole, Mathematical Logic. 1849 Monier develops reinforced concrete. 1850 Petrol (gasoline) refining first used. Isaac Singer mercializes sewing machine Natural Science Honours School established at Oxford. 1851 Singer invents first practical sewing machine. Natural Sciences Tripos at Cambridge. 1854 Bessemer invents steel converter. 1855 Regius Chair of Technology founded at Edinburgh. Yale lock invented。 proposed that the earth is the center of the solar system 190 Chinese mathematicians calculated pi to five decimal places 271 Chinese mathematicians invented the magic pass 415 A mob of rioters burned down the Library of Alexandria, and much of the recorded knowledge of the western world was lost 4501000 the Dark Ages in Europe 1232 Rockets invented in China to defend city of Kaifeng against Mongol invaders 1252 Pope Innocent IV approved the use of torture in witchcraft trials 1269 Maricourt used pass to discover that a mag is encircled by lines which terminate on two poles 1348 The plague appeared in Europe 1390 The first paper mill began operating in Germany 1455 The Gutenberg Bible became the first book printed with movable metal type 15081510 Leonardo da Vinci piled notebooks on mechanics, astronomy, anatomy, and his inventions 1543 Copernicus formed the hypothesis that the plas revolve around the sun. 1543 Vasalius published treatise on human anatom