Editing 1681 in science (section)

==Technology==
* May 15 – The [[Canal du Midi]] in [[France]] is opened officially as the ''Canal Royal de Languedoc''.<ref>{{cite book|last=Rolt|first=L. T. C.|authorlink=L. T. C. Rolt|title=From Sea to Sea: An Illustrated History of the Canal du Midi|publisher=Allen Lane|year=1973|location=London|isbn=0713904712}}</ref>
* [[Samuel Morland]] demonstrates improvements in [[water pump]]s.<ref>{{cite book|first=H. W.|last=Dickinson|title=Sir Samuel Morland: diplomat and inventor 1625-1695|url=https://archive.org/details/sirsamuelmorland0000dick|url-access=registration|location=Cambridge|publisher=Heffer for the Newcomen Society|year=1970|isbn=0-85270-061-X}}</ref>
* First known reference to a [[corkscrew]].<ref>{{Cite encyclopedia|encyclopedia=The Oxford Companion to Wine|title=corkscrew|url= http://www.winepros.com.au/jsp/cda/reference/oxford_entry.jsp?entry_id=827|access-date=2008-11-26|archive-url=https://web.archive.org/web/20090227122849/http://www.winepros.com.au/jsp/cda/reference/oxford_entry.jsp?entry_id=827|archive-date=2009-02-27|url-status=dead|via=winepros.com.au}}</ref>