Online Encyclopedia
1821 in science
The year 1821 in science and technology included many events, some of which are listed here.
See also: 1820 in science, other events of 1821, 1822 in science and the list of years in science.
Contents |
Astronomy
- Comet Encke is the second comet to be discovered to have a periodic orbit, after Comet Halley
- Alexis Bouvard detects irregularities in the orbit of Uranus
Exploration
- William Edward Parry starts his second voyage to find the Northwest Passage
Geology
- Ignatz Venetz proposes his ice age theory
- Pierre Berthier discovers bauxite
- Mary Anning finds the first ever plesiosaur fossil at Lyme Regis
Mathematics
- Augustin Louis Cauchy gives the first complete presentation of calculus using limits
Paleontology
- William Buckland finds the remains of a hyenas' den in Yorkshire, containing the bones of lions, elephants and rhinoceros
Physics
- Michael Faraday discovers electromagnetic rotation
- T. J. Seebeck discovers the thermoelectric effect
- Augustin Fresnel shows that light is made up of a traverse wave motion
Awards
Births
- May 16 - Pafnuty Chebyshev, mathematician († 1894)
- August 16 - Arthur Cayley, mathematician († 1895)
- August 31 - Hermann von Helmholtz, physicist († 1894)
- October 13 - Rudolf Virchow, biologist († 1902)
- November 18 - Franz Bronnow , astronomer († 1891)
Deaths
- April 20 - Franz Karl Achard, chemist (* 1753)
Last updated: 11-05-2004 17:26:45