Editing 1903 in science (section)

==Technology==
* November – [[Windscreen wiper]] for automobiles is first [[patent]]ed by [[Mary Anderson (inventor)|Mary Anderson]] in the United States.
* December 15 – Italo Marchiony from New York City patents an improved design of apparatus for baking [[ice cream cone]]s.<ref>{{cite patent|country=US|number=746971|status=patent|title=Mold|gdate=1903-12-15|inventor=Italo Marchiony|url=http://pdfpiw.uspto.gov/.piw?Docid=746971&PageNum=0}}</ref>
* The first [[diesel engine|diesel]]-powered ships are launched, both for inland waters: ''Petite-Pierre'' in France, powered by Dyckhoff-built diesels, and the tanker ''[[Vandal (tanker)|Vandal]]'' in Russia, powered by [[Sweden|Swedish]]-built diesels with an electrical transmission.
* [[Norwegians|Norwegian]] engineer [[Ægidius Elling]] builds the first [[gas turbine]] to generate power, using a [[centrifugal compressor]].<ref>{{cite web|title=The History of Engines – How Engines Work. Part 2: A Short History and Timeline of Gas Turbine Engines|work=About.com.Inventors|url=http://inventors.about.com/library/inventors/blenginegasturbine.htm|accessdate=2012-01-31|archive-date=2019-09-25|archive-url=https://web.archive.org/web/20190925002222/https://www.thoughtco.com/inventions-4133303|url-status=dead}}</ref>
* [[Laminated glass]] is invented by Edouard Benedictus.
* [[Baker valve gear]] for [[steam locomotive]]s is first patented in the United States.<ref>{{cite journal|url=http://steamtraction.farmcollector.com/Farm-life/AD-BAKER-COMPANY-INCIDENTS.aspx?page=4|title=Remembering the A.D. Baker Company|last=Blake|first=LeRoy W.|date=May–June 1979|journal=Farm Collector|page=4|accessdate=2012-07-09|archive-date=2012-05-10|archive-url=https://web.archive.org/web/20120510141722/http://steamtraction.farmcollector.com/Farm-life/AD-BAKER-COMPANY-INCIDENTS.aspx?page=4|url-status=dead}}</ref>
* The [[Spiral watertube boiler#Lune Valley boiler|Lune Valley boiler]] is patented by John G. A. Kitchen and Ludlow Perkins.<ref>{{cite journal|first=Paul N.|last=Wilson|title=J. G. A. Kitchen, 1869-1940, and his inventions|journal= Transactions of the Newcomen Society|volume=45|year=1972|pages=15–43|doi=10.1179/tns.1972.002}}</ref>