http://www.planetpatent.com/Articles/RayKurzweilLandmarkInventions.htm
^ http://www.mcgill.ca/newsroom/news/item/?item_id=100220
^ http://www.clarkson.edu/news/view.php?id=2249
^ singinst.org
^ lifeboat.com
^ sfgate.com
^ http://singularityu.org/about/faq/
^ Nanotech Could Give Global Warming a Big Chill (July, 2006)
^ “Machines ‘to match man by 2029′”. BBC News. 2008-02-16. http://news.bbc.co.uk/2/hi/americas/7248875.stm. Retrieved 2008-02-17.
^ a b “In Depth: Ray Kurzweil”. CSPAN-2. Book TV. 2006-11-05. Archived from the original on 2007-02-20. http://web.archive.org/web/20070220014203/http://www.booktv.org/feature/index.asp?segid=7515&schedID=457. Retrieved 2008-02-17. at 85, 147, 167 and 173 minutes into 3 hour interview
^ “In Depth: Ray Kurzweil” (RealAudio). Book TV.