Editing 1911 in science (section)

==Technology==
* January 18 – [[Eugene Ely]] lands on the deck of the {{USS|Pennsylvania|ACR-4|6}} anchored in [[San Francisco Bay]], the first aircraft [[landing]] on a ship.
* June 5 – [[Charles F. Kettering]] files a United States [[patent]] for an electric [[starter motor]].<ref>No. 1,150,523.</ref>
* November 4 – {{MS|Selandia}}, the first large ocean-going [[Diesel engine|diesel]] ship, is launched in Denmark; [[Ivar Knudsen]] is the diesel engineer. The 1909-launched Dutch diesel [[Tanker (ship)|tanker]] ''[[:ne:Vulcanus (schip)|Vulcanus]]'' also enters service this year.
* [[John Joseph Rawlings]] files a United Kingdom patent for a [[wall plug]].<ref>{{cite web|title=Rawlplug History|url=http://www.rawlplug.co.uk/index.php?option=com_content&task=view&id=3&Itemid=3|publisher=Rawlplug|year=2007|accessdate=2011-11-28|archive-url=https://archive.today/20120529131746/http://www.rawlplug.co.uk/index.php?option=com_content&task=view&id=3&Itemid=3|archive-date=2012-05-29|url-status=dead}}</ref>
* The [[Lewis Gun|Lewis]] automatic [[light machine gun]] is invented by [[United States Army]] Colonel [[Isaac Newton Lewis]], based on initial work by Samuel Maclean.<ref>{{cite book|last=Skennerton|first=Ian|year=2001|title=Small Arms Identification Series No. 14: .303 Lewis Machine Gun|publisher=Arms & Militaria Press|location=Gold Coast, QLD (Australia)|isbn=0-949749-42-7|page=5}}</ref>