1849 in science
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The year 1849 in science and technology involved some significant events, listed below.
Contents |
[edit] Astronomy
- Édouard Roche finds the limiting radius of tidal destruction and tidal creation for a body held together only by its self gravity, called the Roche limit, and uses it to explain why Saturn's rings do not condense into a satellite.
[edit] Botany
[edit] Chemistry
- Charles-Adolphe Wurtz obtains methylamine.
[edit] Mathematics
- George Gabriel Stokes shows that solitary waves can arise from a combination of periodic waves.
[edit] Medicine
- British physician Dr. Thomas Addison first describes Addison’s disease in his On the Constitutional and Local Effects of Disease of the Suprarenal Capsules.
[edit] Physics
- Hippolyte Fizeau and Léon Foucault measure the speed of light to be about 298,000 km/s.
[edit] Technology
- April 10 - Walter Hunt is granted a United States patent for the modern safety pin.[2][3]
- David Brewster perfects the stereoscope.
- James B. Francis develops the radial flow Francis turbine.
[edit] Awards
- Copley Medal: Roderick Murchison.
- Wollaston Medal for Geology: Joseph Prestwich.
[edit] Births
- March 7 - Luther Burbank (d. 1926), American plant breeder.
- April 25 - Felix Klein (d. 1925), German mathematician.
- May 26 - Ernst Remak (d. 1911), German neurologist.
- July 12 - William Osler (d. 1919), Canadian physician.
- July 27 - John Hopkinson (d. 1898), English electrical engineer.
- September 14 - Ivan Pavlov (d. 1936), Russian physiologist.
- October 26 - Ferdinand Georg Frobenius (d. 1917), German mathematician.
[edit] Deaths
- December 12 - Marc Isambard Brunel (b. 1769), engineer.
[edit] References
- ^ Petrunkevitch, Alexander (1920). "Russia's Contribution to Science". Transactions of the Connecticut Academy of Sciences 23: 232.
- ^ "Walter Hunt... Dress-Pin: Specification of Letters Patent No. 6,281". United States Patent and Trademark Office. 1849-04-10. http://www.google.com/patents?id=4vBEAAAAEBAJ&printsec=abstract#v=onepage&q&f=false. Retrieved 2011-12-05.
- ^ "Walter Hunt". National Inventors Hall of Fame. 2002. http://www.invent.org/hall_of_fame/279.html. Retrieved 2011-12-05.
