Editing 1966 in science (section)

==Technology==
* January – First proposals for [[optical fiber]] communication presented by [[Charles K. Kao]] with [[George Hockham]].<ref>{{cite journal|first1=K. C.|last1=Kao|first2=G. A.|last2=Hockham|date=July 1966|title=Dielectric-fibre surface waveguides for optical frequencies|journal=[[Proceedings of the Institution of Electrical Engineers]]|volume=113|issue=7|pages=1151–1158|doi=10.1049/piee.1966.0189}}</ref>
* May 2 – Scottish inventor [[James Goodfellow]] obtains a UK patent for an [[automated teller machine]] using a [[plastic card]] and [[Personal identification number|PIN]].<ref>UK Patent No.1,197,183. {{cite web|title=The man who really invented the cash machine|first=Steven|last=Brocklehurst|date=2017-06-27|url=https://www.bbc.co.uk/news/uk-scotland-40416025|work=BBC News|accessdate=2021-05-16}}</ref>
* October 16 – The "[[Caspian Sea Monster]]" [[ground-effect vehicle]] first flies in the Soviet Union.<ref>{{cite book|last=Komissarov|first=Sergey|title=Russia's Ekranoplans: the Caspian Sea Monster and other WiG craft|year=2002|publisher=Midland Publishing|location=Hinkley|isbn=978-1857801460}}</ref>
* [[Marie Van Brittan Brown]] originates the home security system in the United States.