1643 in science

The year 1643 in science and technology

See also: 1642 in science, other events of 1643, 1644 in science, list of years in science.

Exploration

January 21 - Abel Tasman discovers the Tonga archipelago.

Meteorology

Evangelista Torricelli invents the mercury barometer.

Births

January 4 - Isaac Newton (+1727), physicist and mathematician

Deaths

November 3 - John Bainbridge, astronomer
November 3 - Paul Guldin, mathematician and astronomer

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