Editing Engine (section)

=== Medieval ===
Medieval Muslim engineers employed [[gear]]s in mills and water-raising machines, and used [[dam]]s as a source of water power to provide additional power to watermills and water-raising machines.<ref name="Hassan">{{cite book|first1=Ahmad Y. |last1=Hassan |author-link1=Ahmad Y. Hassan |chapter-url=http://www.history-science-technology.com/Articles/articles%2071.htm |title=Transfer of Islamic Technology to the West, Part II |chapter=Transmission of Islamic Engineering |archive-url=https://web.archive.org/web/20080218171021/http://www.history-science-technology.com/Articles/articles%2071.htm |archive-date=2008-02-18 }}</ref> In the [[Islamic Golden Age|medieval Islamic world]], such advances made it possible to [[Mechanization|mechanize]] many industrial tasks previously carried out by [[manual labour]].

In 1206, [[al-Jazari]] employed a [[Crank (mechanism)|crank]]-[[conrod]] system for two of his water-raising machines. A rudimentary [[steam turbine]] device was described by [[Taqi al-Din Muhammad ibn Ma'ruf|Taqi al-Din]]<ref name="Hassan1">[[Ahmad Y Hassan|Hassan, Ahmad Y.]] (1976). ''Taqi al-Din and Arabic Mechanical Engineering'', pp. 34–35. Institute for the History of Arabic Science, [[University of Aleppo]].</ref> in 1551 and by [[Giovanni Branca]]<ref name="Giovanni">{{cite web|url=http://www.history.rochester.edu/steam/thurston/1878/Chapter1.html |title=University of Rochester, NY, ''The growth of the steam engine'' online history resource, chapter one |publisher=History.rochester.edu |access-date=2010-02-03 |archive-url=https://web.archive.org/web/20120204034636/http://www.history.rochester.edu/steam/thurston/1878/Chapter1.html |archive-date=2012-02-04 }}</ref> in 1629.<ref>{{cite book |url=https://books.google.com/books?id=Cv9LH4ckuEwC&pg=PA432 |title=Power plant engineering |first=P.K. |last=Nag |year=2002 |publisher=[[Tata McGraw-Hill]] |page=432 |isbn=0-07-043599-5}}</ref>

In the 13th century, the solid [[rocket motor]] was invented in China. Driven by gunpowder, this simplest form of internal combustion engine was unable to deliver sustained power, but was useful for propelling weaponry at high speeds towards enemies in battle and for [[fireworks]]. After invention, this innovation spread throughout Europe.