Editing Torpedo (section)

=== Frequency-hopping ===
{{main|Hedy Lamarr}}
During [[World War II]], [[Hedy Lamarr]] and composer [[George Antheil]] developed a radio guidance system for [[Allies of World War II|Allied]] torpedoes; it intended to use [[frequency-hopping]] technology to defeat the threat of [[Radio jamming|jamming]] by the [[Axis powers]]. As radio guidance had been abandoned some years earlier, it was not pursued.<ref name="EFF1997">{{cite press release|title=Movie Legend Hedy Lamarr to be Given Special Award at EFF's Sixth Annual Pioneer Awards|publisher=Electronic Frontier Foundation|date=March 11, 1997|url=http://w2.eff.org/awards/pioneer/1997.php|access-date=February 1, 2014|url-status=dead|archive-url=https://web.archive.org/web/20071016063043/http://w2.eff.org/awards/pioneer/1997.php|archive-date=October 16, 2007|df=mdy-all}}</ref> Although the [[US Navy]] never adopted the technology, it did, in the 1960s,<ref>{{Cite web|url=https://www.eetimes.com/document.asp?doc_id=1279374|title=short history of spread spectrum|date=26 January 2012|website=Electronic Engineering (EE) Times|archive-url=https://web.archive.org/web/20180826005036/https://www.eetimes.com/document.asp?doc_id=1279374|archive-date=August 26, 2018|url-status=live|df=mdy-all}}</ref> investigate various spread-spectrum techniques. Spread-spectrum techniques are incorporated into [[Bluetooth]] technology and are similar to methods used in legacy versions of [[Wi-Fi]].<ref name="newscientist20112">[https://www.newscientist.com/blogs/culturelab/2011/12/hedylamarr.html "Hollywood star whose invention paved the way for Wi-Fi"], ''New Scientist'', December 8, 2011; retrieved February 4, 2014.</ref><ref name="WiredEFF2">{{cite magazine|url=http://archive.wired.com/politics/law/news/1997/03/2507|access-date=November 9, 2013|title=Privacy Implications of Hedy Lamarr's Idea|magazine=Wired|publisher=Condé Nast Digital|date=March 11, 1997|first=Ashley|last=Craddock|archive-url=https://web.archive.org/web/20150805043848/http://archive.wired.com/politics/law/news/1997/03/2507|archive-date=August 5, 2015|url-status=live|df=mdy-all}}</ref><ref name="NYT19412">{{cite news|url=http://ipmall.info/hosted_resources/nic/nic_LamarrNYT.pdf|title=Hedy Lamarr Inventor|work=The New York Times|date=October 1, 1941|access-date=February 1, 2014|url-status=dead|archive-url=https://web.archive.org/web/20160410084732/http://ipmall.info/hosted_resources/nic/nic_LamarrNYT.pdf|archive-date=April 10, 2016|df=mdy-all}}</ref> This work led to their induction into the [[National Inventors Hall of Fame]] in 2014.<ref name="EFF1997"/><ref>{{cite web|url=http://invent.org/inductee-detail/?IID=501|title=Spotlight – National Inventors Hall of Fame|publisher=invent.org|access-date=May 26, 2015|archive-url=https://web.archive.org/web/20150501105813/http://invent.org/inductee-detail/?IID=501|archive-date=May 1, 2015|url-status=live|df=mdy-all}}</ref>