See also: 1791 in science, other events of 1792, 1793 in science and the list of years in science.
Astronomy Franz Xaver, Baron Von Zach publishes "The Tables of the Sun", an essential early work for navigation. Exploration George Vancouver explores Puget Sound, becomes first European to see Mount Rainier Technology Claude Chappe successfully demonstrates the first semaphore line, between Paris and Lille William Murdoch invents gas lighting George Anschutz constructs the first blast furnace in Pittsburgh, Pennsylvania Awards Copley Medal: Benjamin Thompson Births January 12 - Johann Arfvedson, chemist (died 1841) February 17 - Karl Ernst von Baer, naturalist (died 1876) March 7 - John Herschel, mathematician and astronomer (died 1871) May 21 - Gaspard-Gustave Coriolis, mathematician, discoverer of the Coriolis effect (died 1843) Deaths
