Editing 1645 in science (section)

==Publications==
* Publication of [[Robert Dudley (explorer)|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 [[English people|Englishman]], and the first to use the [[Mercator projection]].<ref>{{cite encyclopedia|url=http://www.britannica.com/EBchecked/topic/173043/Sir-Robert-Dudley|title=Sir Robert Dudley|year=2009|encyclopedia=[[Encyclopædia Britannica]]|accessdate=October 15, 2009}}</ref>