- 1643 in science
The year 1643 in
science andtechnology involved some significant events.Technology
* A
microscope was developed byAntoni van Leeuwenhoek (1632-1723), a Dutch textile businessman and self-taught scientist.Exploration
*
January 21 -Abel Tasman discovers theTonga archipelago .Meteorology
*
Evangelista Torricelli invents the mercurybarometer .Births
*
January 4 - SirIsaac Newton , Englishphysicist (died1727 )Deaths
*
November 3 - John Bainbridge,astronomer (born1582 )
* November 3 -Paul Guldin ,mathematician andastronomer (born 1577)
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