Main Page | See live article | Alphabetical index The year 1643 in science and technology See also: 1642 in science, other events of 1643, 1644 in science, list of years in science. Table of contents 1 Exploration 2 Meterology 3 Births 4 Deaths Exploration January 21 - Abel Tasman discovers the Tonga archipelago. Meterology 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 This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.