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The Fourth Discontinuity: The Co-Evolution of Humans and Machines

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From Mary Shelley's Frankenstein to current films like The Terminator about menacing androids, writers have expressed concern about computers and biogenetic creations taking over or altering human life. In this engrossing and lively book, Bruce Mazlish discusses the complex relationship between humans and machines, pondering the implications of humans becoming more mechanical (our bodies increasingly hooked up to artificial parts), and of computer robots being programmed to think.

Mazlish argues that just as Copernicus, Darwin, and Freud overturned our illusions of separation from and domination over the cosmos, the animal world, and the unconscious, it is now necessary to relinquish a fourth fallacy or discontinuity--that humans are discontinuous and distinct from the machines they make. Drawing on history and legend, science and science fiction, Mazlish examines how events and individuals have shaped the ways that humans relate to machines. He describes early Greek and Chinese automatons (forerunners of the robot); he discusses the seventeenth-century debate over what was called the "animal machine"; he shows how the Industrial Revolution created a truly mechanical civilization; he looks at what thinkers such as Descartes, Linnaeus, Darwin, Freud, Pavlov, Charles Babbage, T.H. Huxley, and Samuel Butler contributed to our understanding of human nature as contrasted with animal or machine; and he surveys the modern revolutions in biogenetics and computer and brain sciences that have brought humans and machines closer together than ever before. Mazlish argues provocatively that human nature is best understood in the context of the machines and tools we have created and that humans and our creations―computer robots―will eventually evolve into two new species coexisting in a symbiotic relationship.

282 pages, Paperback

First published January 1, 1993

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Bruce Mazlish

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Displaying 1 - 3 of 3 reviews
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962 reviews82 followers
May 20, 2019
I got a bit fooled by the idea of it being about machines and didn't realize how very literary-analysis this was going to be. And it focused much less on the actual fourth discontinuity then maybe would have been ideal - first we had to spend 4/5 of the book going through the first three. However, pretty much everything in there was very interesting - even the parts about Darwin and Freud, who have been done to death, were covered in an interesting light.
7 reviews
April 22, 2025
The man has his own map, and takes me through it blindfolded.
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