M. speculatrix - a new species of animal - ELMER - cyberneticzoo.com
William Grey Walter - Wikipedia
William Grey Walter - Machina Speculatrix | Orionrobots - Learn to build robots at home
William Grey Walter – Wikipédia, a enciclopédia livre
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W. Grey Walter and his Turtle Robots | Robotics Society of Southern California
NHS 70 stories - 'Genius' Grey Walter's legacy lives on at Southmead Hospital | North Bristol NHS Trust
1948 - ELSIE (Electro-mechanical robot, Light Sensitive with Internal and External stability ) - W. Grey Walter - cyberneticzoo.com
History Makers - Grey Walter's FoB Tortoise Replicas (1995) - Amy and Ninja Gallery 2009
Elmer Elsie Robots by Grey Walter - The Old Robot's Web Site
W. Grey Walter and his Turtle Robots | Robotics Society of Southern California
Jibo - Robots in History: Elmer and Elsie (1948) built by William Grey Walter, these "tortoises" were the first autonomous electronic robots capable of complex behavior. They demonstrated the neurological principle that
Grey Walter's tortoises - YouTube
The Development and Significance of Cybernetics by William Grey Walter - Cosmonaut
A Short Biography: W. Grey Walter
Elmer Elsie Robots by Grey Walter - The Old Robot's Web Site
William Grey Walter and his Machina speculatrix | SciHi Blog
Watch This 1940s Robotic Tortoise Navigate A Room By Itself | Impossible Engineering - YouTube
Elmer Elsie Robots by Grey Walter - The Old Robot's Web Site
2008: Grey Walter and his tortoises | News and features | University of Bristol
Grey Walter Constructs the First Electronic Autonomous Robots; the Origin of Social Robotics : History of Information
W. Grey Walter and his Turtle Robots | Robotics Society of Southern California
Tortoise" Mobile Robot | National Museum of American History
Exploration and High Adventure: The Legacy of Grey Walter
Elmer Elsie Robots by Grey Walter - The Old Robot's Web Site
