1690 in science

Overview of the events of 1690 in science

List of years in science

(table)

* … 1680
* 1681
* 1682
* 1683
* 1684
* 1685
* 1686

* 1687
* 1688
* 1689
* 1690
* 1691
* 1692
* 1693

* 1694
* 1695
* 1696
* 1697
* 1698
* 1699
* 1700 …

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1690 in science

1689

1691

Fields

* Archaeology

Technology

* Sustainable energy research
* Transportation technology

Social sciences

* Psychology
* Governance and policy studies

Paleontology

* Dinosaurs' extinction

Extraterrestrial environment
Terrestrial environment

* Tornado research

Other/related

* Literature
* Timeline of cosmological theories
* List of open letters by academics
* History of technology by type
* List of science timelines

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The year 1690 in science and technology involved some significant events.

## Astronomy

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* Giovanni Cassini observes differential rotation within Jupiter's atmosphere.
* December – Earliest recorded sightings of the planet Uranus, by John Flamsteed, who mistakenly catalogues it as the star 34 Tauri.

## Geography

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* Franciscan Vincenzo Coronelli publishes the first folio of his atlas Atlante Veneto.

## Botany

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* French horticulturalist Jean-Baptiste de La Quintinie's Instruction pour les jardins fruitiers et potagers is published posthumously.

## Mathematics

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* Izeki Tomotoki (井関 知辰) of Osaka publishes Sampo-Hakki (算法発揮), in which he gives the resultant and the Laplace expansion of the determinant for the n×n case. At about this date, Tanaka Yoshizane (田中 由真) also describes and applies the resultant, in Sampo-Funkai (算法紛解).
* Michel Rolle publishes Traité d'Algebre, in which he gives the first published description in Europe of Gaussian elimination.

## Medicine

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* Justine Siegemund publishes Die Chur-Brandenburgische Hof-Wehemutter ("The Court Midwife"), the first medical textbook in German written by a woman.

## Technology

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* February 3 – America's first paper money is printed in the Massachusetts Bay Colony.
* A rudimentary working model of a liquid compass is introduced by Sir Edmond Halley at a meeting of the Royal Society.
* French physicist Denis Papin, while in Leipzig and having observed the mechanical power of atmospheric pressure on his 'digester', builds a working model of a reciprocating steam engine for pumping water, the first of its kind, though not efficient.

## Births

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* March 18 – Christian Goldbach, Prussian mathematician (died 1764)

## Deaths

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* February 3 - Elizabeth Walker, English pharmacist (born 1623)
* October 13 – Ole Borch, Danish polymath (born 1626)
* October 22 (bur.) – William Ball, English astronomer (born c. 1631)

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