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http://www.timcrane.com/uploads/2/5/2/4/25243881/the_intentional_structure.pdf
https://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-868j-the-society-of-mind-fall-2011/
The Minsky Arm, developed by Marvin Minsky in the late 1960s through the early 1970s, uses a camera and computer to build with blocks. Working on the arm served as inspiration for his later work on the human mind. (Photo courtesy of gastev on Flickr. CC-BY.)
Our Final Invention: Artificial Intelligence and the End of the Human Era