1645 in science

none February 2012 1645 science 1645 The year 1645 in science and technology involved some significant events. Astronomy The Solar cycle enters the 70-year Maunder Minimum.John A. Eddy Eddy John A. The Maunder Minimum Science 192 4245 1189–1202 June 1976 17771739 10.1126/science.192.4245.1189 17425839 1976Sci...192.1189E 33896851 First published map of the Moon produced by Michael van Langren.http://galileo.rice.edu/sci/observations/Moon.html The Galileo Project September 14, 2007 https://web.archive.org/web/20040623085326/http://galileo.rice.edu/sci/observations/Moon.html June 23, 2004 dead A version of the law of gravitation is suggested by Ismaël Bullialdus in his la Astronomia philolaica. Medicine October 18 – English physician Daniel Whistler presents the first printed pediatric text on rickets, la De Morbo puerili Anglorum, quern patrio idiomate indigense vocant "The Rickets", as his MD thesis at Leiden University.Robert L. Martensen Whistler, Daniel (1618/19–1684) 2004 http://www.oxforddnb.com/view/article/29215 January 26, 2012 10.1093/ref:odnb/29215 Technology A magic lantern is invented by Althanasius Kircher; like a slide projector, it could project enlarged drawings onto a wall. Publications Publication of Robert Dudley's Dell'Arcano del Mare begins in Italian at Florence. A comprehensive work on navigation, shipbuilding and astronomy, it includes an original maritime atlas of the entire world, which is the first such in print, the first made by an Englishman, and the first to use the Mercator projection.http://www.britannica.com/EBchecked/topic/173043/Sir-Robert-Dudley Sir Robert Dudley 2009 Encyclopædia Britannica October 15, 2009 Births September 21 – Louis Jolliet, French Canadian explorer (died 1700) November 17 – Nicolas Lemery, French chemist (died 1715) Deaths approx. date – Jean de Chastelet, French mining engineer (born c. 1578) References 30em Category:17th century in science Category:1640s in science