294 a ferment that continued into the twentieth century
Ibid.
295 First used by Teilhard de Chardin
Ibid.
296 "Shortly after, the human era will be ended"
Vernor Vinge, "The Coming Technological Singularity: How to Survive in the Post-Human Era," 1993, form that can be comprehended by and contained in advanced computers
Lara Farrar, "Scientists: Humans and Machines Will Merge in Future," CNN, July 15, 2008, "post-Singularity, between human and machine or between physical and virtual reality"
Ibid.
299 has challenged Kurzweil to a $20,000 bet
"By 2029 No Computer-or "Machine Intelligence"-Will Have Pa.s.sed the Turing Test," A Long Bet, before the computer-based "Technological Singularity" is ever achieved
John Chelen, "Could the Organic Singularity Occur Prior to Kurzweil"s Technological Singularity?," Science Progress, June 20, 2012.
301 replace not only hips
Ben c.o.xworth, "New Discovery Could Lead to Better Artificial Hips," Gizmag, November 27, 2011, knees
James Dao, "High-Tech Knee Holds Promise for Veterans," New York Times, August 18, 2010.
303 legs
Alexis Okeowo, "A Once-Unthinkable Choice for Amputees," New York Times, May 14, 2012.
304 arms
Thomas H. Maugh II, "Two Paralyzed People Successfully Use Robot Arm," Los Angeles Times, May 16, 2012.
305 but also eyes
Carl Zimmer, " "I See," Said the Blind Man with an Artificial Retina," Discovery News, September 15, 2011.
306 replaceable with artificial subst.i.tutes
Richard Yonck, "The Path to Future Intelligence," Psychology Today, May 13, 2011; Rob Beschizza, "Mechanical Fingers Give Strength, Speed to Amputees," Wired, July 2, 2007.
307 Cochlear implants, as noted, are used to restore hearing
"Cochlear Implants Restore Hearing in Rare Disorder," Science Daily, April 20, 2012.
308 exoskeletons to enable paraplegics to walk
Melissa Healy, "Body Suit May Soon Enable the Paralyzed to Walk," Los Angeles Times, October 6, 2011.
309 confer additional strength on soldiers
Susan Karlin, "Raytheon Sarcos"s Exoskeleton Nears Production," IEEE Spectrum, August 2011.
310 bespoke in-ear hearing aids are already made with 3D printers