Editing 1796 in science (section)

==Technology==
* Completion of the first [[cast iron]] [[Navigable aqueduct|aqueducts]], on the [[canals of the United Kingdom|English canals]]
** February – Holmes Aqueduct on the [[Derby Canal]], designed by [[Benjamin Outram]] (demolished 1971).<ref>{{cite web|title=Benjamin Outram (1764–1805)|url=http://www.brocross.com/iwps/pages/outram/bn-outram.htm|accessdate=2011-07-18| archiveurl= https://web.archive.org/web/20110718024035/http://www.brocross.com/iwps/pages/outram/bn-outram.htm| archivedate= 18 July 2011 <!--Added by DASHBot-->}}</ref>
** March – [[Longdon-on-Tern Aqueduct]] on the [[Shrewsbury Canal]], designed by [[Thomas Telford]] (extant).<ref>{{cite web|first=Peter|last=Brown|title=Thomas Telford|url=http://www.peter-quita.demon.co.uk/articles/Telford.pdf|accessdate=2011-07-18|archive-date=2011-09-27|archive-url=https://web.archive.org/web/20110927235031/http://www.peter-quita.demon.co.uk/articles/Telford.pdf|url-status=dead}}</ref>
* August 9 – Opening to traffic of the [[Wearmouth Bridge (1796)|Wearmouth Bridge]] in [[England]], designed by [[Thomas Paine]] in cast iron. The second in this material built after that at [[Ironbridge]], but over twice as long, its span of 237 feet (72 m) makes it the world's longest single-span vehicular bridge extant at this date.<ref>{{cite book|last=Tyrrell|first=Henry Grattan|url=https://books.google.com/books?id=l0pDAAAAIAAJ&q=210.%20The%20Sunderland%20bridge%20over%20the%20Wear%20at%20Wearmouth&pg=PA153|title=History of Bridge Engineering|pages=153–154|location=Chicago|year=1911|accessdate=2011-08-16}}</ref><ref>{{cite book|first=Leonardo Fernández|last=Troyano|title=Bridge Engineering: a Global Perspective|publisher=Thomas Telford Publishing|location=London|year=2003|isbn=978-0-7277-3215-6|page=49}}</ref><ref>{{cite web|work=Wearside Online|title=Sunderland Wearmouth Bridge|url=http://www.wearsideonline.com/Sunderland_Wearmouth_Bridge.html|accessdate=2011-08-16|archive-url=https://web.archive.org/web/20111127114349/http://www.wearsideonline.com/sunderland_wearmouth_bridge.html|archive-date=2011-11-27|url-status=dead}}</ref>
* Printing by [[lithography]] is invented by [[Alois Senefelder]] in [[Bohemia]].<ref>{{cite book|last=Meggs|first=Philip B.|title=A History of Graphic Design|year=1998|publisher=John Wiley & Sons, Inc.|page=146|isbn=978-0-471-29198-5}}</ref>