Editing 1945 in science (section)

==Technology==
* [[March 2]] – The [[Bachem Ba 349]] ''Natter'' is launched from [[Stetten am kalten Markt]]. The ''Natter'' is the first manned rocket, developed as an anti-aircraft weapon. The launch fails and the pilot dies.<ref>''Year by Year – 1945''. [[History International]].</ref>
* October – [[Arthur C. Clarke]] puts forward the idea of a [[Geosynchronous satellite|geosynchronous]] [[communications satellite]].<ref>{{cite journal|url=http://www.sciencemuseum.org.uk/on-line/clarke/ww2.asp|first=Arthur C.|last=Clarke|title=Extra-Terrestrial Relays: Can Rocket Stations Give World-wide Radio Coverage?|accessdate=2019-05-20|journal=[[Wireless World]]|date=October 1945|archiveurl=https://web.archive.org/web/20061107121143/http://www.sciencemuseum.org.uk/on-line/clarke/ww2.asp|archivedate=2006-11-07|url-status=dead|pages=305–6}}</ref><ref>{{cite journal|url=http://lakdiva.org/clarke/1945ww/1945ww_058.jpg|title=Peacetime Uses for V2|format=JPG|journal=Wireless World|date=February 1945|archiveurl=https://web.archive.org/web/20070315181210/http://lakdiva.org/clarke/1945ww/1945ww_058.jpg|archivedate=2007-03-15|url-status=live|accessdate=2007-02-08}}</ref>
* November – [[Slinky]] toy first demonstrated by engineer [[Richard T. James]] in [[Philadelphia]].
* The first [[desalination]] plant becomes operational.<ref>{{Cite web|url=http://worldwater.org/data20062007/Table22.pdf|title=Installed Desalination Capacity by Year, Number of Plants, and Total Capacity, 1945 to 2004|access-date=2013-07-21|archive-url=https://web.archive.org/web/20131126115625/http://www.worldwater.org/data20062007/Table22.pdf|archive-date=2013-11-26|url-status=dead}}</ref>