1828 in science

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The year 1828 in science and technology involved some significant events, listed below.

Astronomy

Félix Savary computes the first orbit of a visual double star when he calculates the orbit of the double star Xi Ursae Majoris.

Urea becomes the first organic compound to be artificially synthesised, by Friedrich Wöhler, potentially discrediting a cornerstone of vitalism, the belief that life is not subject to the laws of science in the way inanimate objects are.

April 27 - London Zoo opens in Regent's Park for members of the Zoological Society of London.^[1]
Karl Ernst von Baer lays the foundations of the science of comparative embryology with his book Über Entwickelungsgeschichte der Thiere.
Martin Lichtenstein publishes a monograph on the Dipodidae, Über die Springmäuse, in Berlin.
Belfast Botanic Gardens open.

F. Maury publishes Traité Complet de l'Art du Dentiste, the first handbook of dentistry.^[2]
December 24 - Burke and Hare murders: William Burke is sentenced to hang for his part in the murder of 17 victims to provide bodies for dissection by Edinburgh anatomist Robert Knox.

Adolphe Theodore Brongniart publishes Prodrome d'une histoire des Végétaux Fossils, a study of fossil plants.
Mary Anning discovers Britain's first pterosaur fossil at Lyme Regis.

James Beaumont Neilson of Scotland patents the hot blast process for ironmaking.^[3]
Ányos Jedlik creates the world's first electric motor.
The brothers John and Charles Deane produce the first diving helmet by adaptation of a smoke helmet produced for them by Augustus Siebe.^[4]

^ "April 27". Today in Science History. http://www.todayinsci.com/4/4_27.htm. Retrieved 2011-12-20.
^ Puschmann, Theodor. Handbuch der Geschichte der Medizin. 3. Jena. p. 384.
^ Gale, W.K.V. (1981). Ironmaking. Princes Risborough: Shire Publications. p. 22. ISBN 0-85263-546-X.
^ Bevan, John (1996). The Infernal Diver: the lives of John and Charles Deane, their invention of the diving helmet and its first application.... London: Submex. pp. 28–33. ISBN 0-9508242-1-6.