1857 in science

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{{Year nav topic5|1857|science}}

{{Science year nav|1857}}

The year 1857 in science and technology involved some significant events, listed below.

Astronomy

  • Peter Andreas Hansen's Tables of the Moon are published in London.{{cite journal|author=W. T. L.|title=Peter Andreas Hansen|journal=Monthly Notices of the Royal Astronomical Society|volume=35|year=1875|issue=4 |url=http://articles.adsabs.harvard.edu//full/seri/MNRAS/0035//0000170.000.html|pages=168–170|accessdate=2011-08-26|doi=10.1093/mnras/35.4.168|bibcode=1875MNRAS..35..168.|doi-access=free}}

Biology

Chemistry

  • Robert Bunsen invents apparatus for measuring effusion.
  • August Kekulé proposes that carbon is tetravalent, or forms exactly four chemical bonds.{{cite web|title=August Kekulé and Archibald Scott Couper|url=https://www.sciencehistory.org/historical-profile/august-kekul%C3%A9-and-archibald-scott-couper|website=Science History Institute|accessdate=21 March 2018|archive-date=21 March 2018|archive-url=https://web.archive.org/web/20180321132315/https://www.sciencehistory.org/historical-profile/august-kekul%C3%A9-and-archibald-scott-couper|url-status=dead}}{{cite book|last1=Bowden|first1=Mary Ellen|title=Chemical achievers : the human face of the chemical sciences|url=https://archive.org/details/chemicalachiever0000bowd|url-access=registration|date=1997|publisher=Chemical Heritage Foundation|location=Philadelphia, PA|isbn=9780941901123|pages=[https://archive.org/details/chemicalachiever0000bowd/page/91 91–93]}}
  • Carl Wilhelm Siemens patents the Siemens cycle.

Earth sciences

Exploration

History of science and technology

Mathematics

  • William Rowan Hamilton invents the Icosian game.{{cite book|first1=Norman L.|last1=Biggs|first2=E. Keith|last2=Lloyd|first3=Robin J.|last3=Wilson|title=Graph Theory 1736–1936|title-link=Graph Theory, 1736–1936|location=Oxford|publisher=Clarendon Press|year=1976|isbn=0198539010}}

Medicine

Technology

Publications

Awards

Births

Deaths

References