Editing 1889 in science (section)

==Technology==
* January 8 – [[Herman Hollerith]] receives a [[patent]] in the [[United States]] for his electric [[tabulating machine]].<ref>{{cite patent|country=US|number=395782|status=patent|title=Art of compiling statistics|inventor=Herman Hollerith|pridate=1884-09-23|gdate=1889-01-08}}</ref>
* March 12 – [[Almon Brown Strowger|Almon B. Strowger]], an undertaker in [[Topeka, Kansas]], files a patent in the United States for an [[automatic telephone exchange]] using the [[Strowger switch]].<ref>{{cite journal|first=Roger B.|last=Hill |title=The Early Years of the Strowger System|url=http://www.privateline.com/Switching/EarlyYears.html|journal=Bell Laboratories Record|volume=31|issue=3|pages=95–103|accessdate=2011-11-03|date=March 1953|url-status=dead|archiveurl=https://web.archive.org/web/20111025123622/http://www.privateline.com/Switching/EarlyYears.html|archivedate=2011-10-25}}</ref>
* May 6–October 31 – [[Exposition Universelle (1889)|Exposition Universelle]] in [[Paris]], with the [[Eiffel Tower]] as its entrance arch. At 300 m, the tower's height exceeds the previous [[List of tallest buildings and structures in the world|tallest structure in the world]] by 130 m. The [[Galerie des machines]], designed by architect [[Ferdinand Dutert]] and engineer [[Victor Contamin]], at 111 m, spans the longest interior space in the world at this time.
* June 3 – The first long distance [[electric power transmission]] line in the United States is completed, running {{convert|14|mi|km}} between a generator at [[Willamette River|Willamette Falls]] and downtown [[Portland, Oregon]].
* November 23 – The first [[jukebox]] goes into operation, in [[San Francisco]].
* An early method of [[high-voltage direct current]] transmission as developed by [[Swiss people|Swiss]] engineer [[René Thury]]<ref>{{cite book|author=Beaty, Donald|title=Standard Handbook for Electrical Engineers|edition=11th|publisher=McGraw Hill|year=1978|display-authors=etal}}</ref> is implemented commercially in [[Italy]] by the ''Acquedotto de Ferrari-Galliera'' company, transmitting 630&nbsp;kW at 14 kV DC over a distance of 120&nbsp;km.<ref>{{cite web|url=http://www.myinsulators.com/acw/bookref/histsyscable/|title=History of Electrical Systems and Cables|date=2012-01-23}}</ref><ref>{{cite book|first=R. M.|last=Black|title=The History of Electric Wires and Cables|publisher=Peter Perigrinus|location=London|year=1983|isbn=0-86341-001-4|pages=94–96}}</ref>
* Probable date – [[Car]] to the design of [[Siegfried Marcus]] completed in Vienna.