1815 in science

none 1815 science 1815 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 William Prout anonymously publishes his hypothesis that the atomic weight of every element is an integer multiple of that of hydrogen.On the Relation between the Specific Gravities of Bodies in their Gaseous State and the Weights of their Atoms https://web.lemoyne.edu/~giunta/EA/PROUTann.HTML Annals of Philosophy 6 321–330 1815 2011-04-16Rosenfeld Louis William Prout: early 19th Century Physician-Chemist Clinical Chemistry 2003 49 699–705 http://www.clinchem.org/cgi/content/full/49/4/699 10.1373/49.4.699 12651838 2011-04-16 4 free https://web.archive.org/web/20110607113509/http://www.clinchem.org/cgi/content/full/49/4/699 2011-06-07 dead Dutch chemist Coenraad van Houten introduces alkaline salts to chocolate to reduce its bitterness.http://archive.fieldmuseum.org/chocolate/history.html History of Chocolate Kerr Justin 2007 Field Museum Chicago 2014-03-03 Earth sciences April 5 – Volcanic eruption of Mount Tambora on the Indonesian island of Sumbawa. About 92,000 people die as a direct consequence of this disaster, the largest volcanic eruption in recorded history. The eruption sends so much volcanic ash into the atmosphere that weather patterns around the world are altered, causing 1816 to be the "Year Without A Summer". August 1 – William Smith publishes the first national geological map of the United Kingdom, A Delineation of the Strata of England and Wales, with part of Scotland.V. A. Eyles Eyles, Joan M. On the different issues of the first geological map of England and Wales http://pdfserve.informaworld.com/933403_751304857_739366957.pdf Annals of Science 3 2 1938 190–212 10.1080/00033793800200871 Medicine July 10 – Apothecaries Act prohibits unlicensed medical practitioners in the United Kingdom.Palmer Alan Palmer Veronica 1992 The Chronology of British History Century Ltd London 247–248 978-0-7126-5616-0 Cholesterol is discovered by French chemist Michel E. Chevreul, who analyzes it in human gall stones, but its causal relationship with atherosclerosis remains unknown. Physics Experiments by Jean Baptist Biot reveal polarimetry in the polarization of light in liquids. Atomic decay is discovered by Swedish chemist Jöns Jakob Berzelius in gadolinite, a radioactive mineral damaged by alpha particles released in its own activity. Technology November 3 – Sir Humphry Davy announces his discovery of the Davy lamp as a coal mining safety lamp.To a meeting of the Royal Society in Newcastle upon Tyne.http://www.icons.org.uk/theicons/icons-timeline/1800-1820 Icons, a portrait of England 1800-1820 2007-09-11 dead https://web.archive.org/web/20091016113407/http://www.icons.org.uk/theicons/icons-timeline/1800-1820 2009-10-16 Dental floss is invented by Levi Spear Parmly. Awards Copley Medal: David BrewsterCopley Medal British scientific award https://www.britannica.com/science/Copley-Medal Encyclopedia Britannica 21 July 2020 en Births January 18 – Warren De La Rue, Guernsey-born astronomical photographer (died 1889) January 21 – Horace Wells, American dentist, pioneer of the use of anesthesia (suicide 1848) July 26 – Robert Remak, Polish/Prussian embryologist (died 1865) August 23 – Henry Acland, English physician (died 1900) October 31 – Karl Weierstraß, German mathematician (died 1897) November 2 – George Boole, English-born mathematician (died 1864) December 10 – Augusta Ada King (née Byron), Countess of Lovelace, English computing pioneer (died 1852) Peter Bellinger Brodie, English geologist and clergyman (died 1897) Deaths February 9 – Ellen Hutchins, Irish botanist (born 1785) February 18 – William Roxburgh, Scottish surgeon and botanist, "father of Indian botany" (born 1751) February 22 – Smithson Tennant, English chemist (born 1761) February 24 – Robert Fulton, American engineer (born 1765) March 5 – Franz Mesmer, German physician (born 1734) September – Mary Edwards, English human computer (born c.1750) September 20 – Nicolas Desmarest, French naturalist (born 1725) November 30 - Philippe Petit-Radel, French surgeon (born 1749)Lemaitre Nicole Petit-Radel Philippe https://cths.fr/an/savant.php?id=120782 cths.fr Comité des travaux historiques et scientifiques 10 March 2021 fr References Category:19th century in science Category:1810s in science