Science Fair Project Encyclopedia
1840 in science
See also:
Other events of 1840
List of years in science
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1839 in science
1840 in science
1841 in science
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The year 1840 in science and technology
| Contents |
Astronomy
- John William Draper invents astronomical photography and photographs the Moon
Exploration
- Adelie land first visited by Jules Dumont d'Urville and claimed for France
Geology
- Louis Agassiz publishes his Studies on Glaciers
Technology
- William Fox Talbot invented the positive / negative process of photography used in all modern photography. He refers to this as photogenic drawing
Awards
Births
- February 4 - Hiram Maxim (d. 1916), inventor of the machine gun.
- February 5 - John Boyd Dunlop (d. 1921), inventor.
- February 10 - Per Teodor Cleve (d. 1905), chemist.
- March 28 - Emin Pasha (d. 1892), explorer.
- August 4 - Richard von Krafft-Ebing (d. 1902), sexologist.
Deaths
- April 25 - Simeon Poisson (b. 1781), mathematician.
- March 2 - Heinrich Wilhelm Matthäus Olbers (b. 1758), astronomer.
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details