See also: 1755 in science, other events of 1756, 1757 in science and the list of years in science.
Chemistry Joseph Black describes how carbonates become more alkaline when they lose carbon dioxide, whereas the taking-up of carbon dioxide reconverts them Technology John Smeaton produces the first high-quality cement since Roman times, used in the construction of the Eddystone lighthouse Awards Copley Medal: Not awarded Births September 21 - John Loudon McAdam, road-engineer (died 1836) December 26 - Bernard Germain Etienne de la Ville, Comte de Lacepede, naturalist (died 1825) Ernst Chladni, physicist (died 1827) Jean Chaptal, French chemist who named nitrogen in 1790 (died 1832) Deaths Jacques Cassini, astronomer (born 1677)
