1690 in science

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

Contents

1 Technology
2 Astronomy
3 Births

Technology

Denis Papin, while in Leipzig and having observed the mechanical power of atmospheric pressure on his 'digester', he builds a working model of a piston steam engine, the first of its kind.
The first paper money is printed in America.

Astronomy

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

Births

March 18 - Christian Goldbach, Prussian mathematician (died 1764)
Jan Frederik Gronovius, Dutch botanist (died 1762)