The beginning of infinity Explanations that transform the world

David Deutsch, 1953-

Book - 2011

"A bold and all-embracing exploration of the nature and progress of knowledge from one of today's great thinkers. Throughout history, mankind has struggled to understand life's mysteries, from the mundane to the seemingly miraculous. In this important new book, David Deutsch, an award-winning pioneer in the field of quantum computation, argues that explanations have a fundamental place in the universe. They have unlimited scope and power to cause change, and the quest to improve them is the basic regulating principle not only of science but of all successful human endeavor. This stream of ever improving explanations has infinite reach, according to Deutsch: we are subject only to the laws of physics, and they impose no upper ...boundary to what we can eventually understand, control, and achieve. In his previous book, The Fabric of Reality, Deutsch describe the four deepest strands of existing knowledge-the theories of evolution, quantum physics, knowledge, and computation-arguing jointly they reveal a unified fabric of reality. In this new book, he applies that worldview to a wide range of issues and unsolved problems, from creativity and free will to the origin and future of the human species. Filled with startling new conclusions about human choice, optimism, scientific explanation, and the evolution of culture, The Beginning of Infinity is a groundbreaking book that will become a classic of its kind"--

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Subjects
Published
New York : Viking 2011.
Language
English
Main Author
David Deutsch, 1953- (-)
Physical Description
vii, 487 pages : illustrations ; 24 cm
Bibliography
Includes bibliographical references and index.
ISBN
9780670022755
  • Acknowledgements
  • Introduction
  • 1. The Reach of Explanations
  • 2. Closer to Reality
  • 3. The Spark
  • 4. Creation
  • 5. The Reality of Abstractions
  • 6. The Jump to Universality
  • 7. Artificial Creativity
  • 8. A Window on Infinity
  • 9. Optimism
  • 10. A Dream of Socrates
  • 11. The Multiverse
  • 12. A Physicist's History of Bad Philosophy
  • 13. Choices
  • 14. Why are Flowers Beautiful?
  • 15. The Evolution of Culture
  • 16. The Evolution of Creativity
  • 17. Unsustainable
  • 18. The Beginning
  • Bibliography
  • Index
Review by Choice Review

Physicist Deutsch (Univ. of Oxford, UK; The Fabric of Reality, CH, Mar'98, 35-3931) is unquestionably a polymath as he easily jumps between such diverse fields as art to philosophy to politics to science in proving his thesis which he states in the introduction: all human progress has stemmed from the quest for "good explanations." In particular, Deutsch stresses the concept of the "jump to universality" which he defines as a small change in a system to satisfy a limited purpose leading to a universal system. He gives as one example the evolution of pictograms to a written alphabet and another, the ten symbols 0-9 as evolving to give the value of a digit from its position in a number. He also states that the immense progress made since the Enlightenment was due to the jump to the universality of the scientific method. This is not an easy book to read, and the author seems to be stretching in many areas to prove his point. Yet, for those willing to slog through the formidable prose, an interesting new idea emerges. Summing Up: Recommended. Graduate students and above; general readers. C. G. Wood formerly, Eastern Maine Community College

Copyright American Library Association, used with permission.
Review by New York Times Review

David Deutsch offers views on everything from subatomic particles to the shaping of the universe itself. DAVID DEUTSCH'S "Beginning of Infinity" is a brilliant and exhilarating and profoundly eccentric book. It's about everything: art, science, philosophy, history, poUtics, evil, death, the future, infinity, bugs, thumbs, what have you. And the business of giving it anything like the attention it deserves, in the small space allotted here, is out of the question. But I will do what I can. It hardly seems worth saying (to begin with) that the chutzpah of this guy is almost beyond belief, and that any book with these sorts of ambitions is necessarily, in some overall sense, a failure, or a fraud, or a joke, or madness. But Deutsch (who is famous, among other reasons, for his pioneering contributions to the field of quantum computation) is so smart, and so strange, and so creative, and so inexhaustibly curious, and so vividly intellectually alive, that it is a distinct privilege, notwithstanding everything, to spend time in his head. He writes as if what he is giving us amounts to a tight, grand, cumulative system of ideas - something of almost mathematical rigor - but the reader will do much better to approach this book with the assurance that nothing like that actually turns out to be the case. I like to think of it as more akin to great, wide, learned, meandering conversation - something that belongs to the genre of, say, Robert Burton's "Anatomy of Melancholy" - never dull, often startling and fantastic and beautiful, often at odds with itself, sometimes distasteful, sometimes unintentionally hilarious, sometimes (even, maybe, secondarily) true. The thought to which Deutsch's conversation most often returns is that the European Enlightenment of the 17th and 18th centuries, or something like it, may turn out to have been the pivotal event not merely of the history of the West, or of human beings, or of the earth, but (literally, physically) of the universe as a whole. Here's the sort of thing he has in mind: The topographical shape and the material constitution of the upper surface of the island of Manhattan, as it exists today, is much less a matter of geology than it is of economics and politics and human psychology. The effects of geological forces were trumped (you might say) by other forces - forces that proved themselves, in the fullness of time, physically stronger. Deutsch thinks the same thing must in the long run be true of the universe as a whole. Stuff like gravitation and dark energy are the sorts of things that determine the shape of the cosmos only in its earliest, and most parochial, and least interesting stages. The rest is going to be a matter of our own intentional doing, or at any rate it's going to be a matter of the intentional doings of what Deutsch calls "people," by which he means not only human beings, and not all human beings, but whatever creatures, from whatever planets, in whatever circumstances, may have managed to absorb the lessons of the Scientific Revolution. There is a famous collection of arguments from the pioneering days of computer science to the effect that any device able to carry out every one of the entries on a certain relatively short list of elementary logical operations could, in some finite number of steps, calculate the value of any mathematical function that is calculable at all. Devices like that are called "universal computers." And what interests Deutsch about these arguments is that they imply that there is a certain definite point, a certain definite moment, in the course of acquiring the capacity to perform more and more of the operations on that list, when such a machine will abruptly become as good a calculator as anything, in principle, can be. Deutsch thinks that such "jumps to universality" must occur not only in the capacity to calculate things, but also in the capacity to understand things, and in the closely related capacity to make things happen. And he thinks that it was precisely such a threshold that was crossed with the invention of the scientific method. There were plenty of things we humans could do, of course, prior to the invention of that method: agriculture, or the domestication of animals, or the design of sundials, or the construction of pyramids. But all of a sudden, with the introduction of that particular habit of concocting and evaluating new hypotheses, there was a sense in which we could do anything. The capacities of a community that has mastered that method to survive, and to learn, and to remake the world according to its inclinations, are (in the long run) literally, mathematically, infinite. And Deutsch is convinced that the tendency of the world to give rise to such communities, more than, say, the force of gravitation, or the second law of thermodynamics, or even the phenomenon of death, is what ultimately gives the world its shape, and what constitutes the genuine essence of nature. "In all cases," he writes, "the class of transformations that could happen spontaneously - in the absence of knowledge - is negligibly small compared with the class that could be effected artificially by intelligent beings who wanted those transformations to happen. So the explanations of almost all physically possible phenomena are about how knowledge would be applied to bring those phenomena about." And there is a beautiful and almost mystical irony in all this: that it was precisely by means of the Scientific Revolution, it was precisely by means of accepting that we are not the center of the universe, that we became the center of the universe. This is all definitely incredibly cool. But I have no idea how one might go about investigating whether it is true or false. It seems more to the point to think of it as something emotive - as the expression of a mood. An incredibly cool mood. A mood that (maybe) no human being could ever have been in before right now. A mood informed by profound and imaginative reflection on the best and most advanced science we have. But not exactly, not even remotely, a live scientific hypothesis. Anyway, it's that mood, or conceit, or whatever it is, that gives "The Beginning of Infinity" its name. But a lot of the meat of this book is in its digressions. And of those (alas) I can only, hastily, randomly, mention a few. Deutsch is interested in neo-Darwinian accounts of the evolution of culture. Such accounts treat cultural items - languages, religions, values, ideas, traditions - in much the way that Darwinian theories of biological evolution treat genes. They are called "memes," and are treated as evolving, just as genes do, by mutation and selection, with the most successful memes being those that are the most faithfully replicated. Deutsch writes with enormous clarity and insight about how the mechanisms of mutation and transmission and selection of memes are going to have to differ, in all sorts of ways, from those of genes. He also provides an elegant analysis of two particular strategies for meme-replication, one he calls "rational" and the other he calls "anti-rational." Rational memes - the sort that Deutsch imagines will replicate themselves well in post-Enlightenment societies - are simply good ideas: the kind that will survive rigorous scientific scrutiny, the kind that will somehow make life easier or safer or more rewarding because they tell us something useful about how the world actually works. Irrational memes - which are more interesting, and more diabolical, and which Deutsch thinks of as summing up the essential character of pre-Enlightenment societies - reproduce themselves by disabling the capacities of their hosts (by means of fear, or an anxiety to conform, or the appearance of naturalness and inevitability, or in any number of other ways) to evaluate or invent new ideas. And one particular subcategory of memes - about which Deutsch has very clever things to say - succeeds precisely by pretending not to tell the truth. So, for example: "Children who asked why they were required to enact onerous behaviors that did not seem functional would be told 'because I say so,' and in due course they would give their children the same reply to the same question, never realizing that they were giving the full explanation. (This is a curious type of meme whose explicit content is true even though its holders do not believe it.)" Another chapter is devoted entirely to the evolution of creativity. At first glance, the ability to come up with new and better ways of doing things would appear to confer an obvious survival advantage. But if that's how it worked - or so Deutsch argues - then the archaeological record ought to contain evidence of the accumulation of such better ways of doing things that are contemporaneous with the time when the human brain was actually in the process of evolving. And it doesn't, which would seem to amount to a puzzle. Deutsch has a cute proposal for solving it. The thought is that the business of merely passing on complicated memes, without any thought of innovation, requires considerable creativity on the part of their recipients. Learning a language, for instance, is a matter of inferring, from a small number of examples, a collection of general rules, each with a potentially infinite number of applications, governing the uses of the words involved. In Deutsch's view, the work of keeping such complex memes in place, from generation to generation, is no less a creative business than the work of improving them. This, as I said, is cute, and typical of the dexterity of Deutsch's mind, but it's hard to know how seriously to take it. Wouldn't it be a reproductive advantage to have a heritable capacity to think on your feet, and outside the box, in a sticky situation, whether or not any particular thought you have ends up getting preserved, and passed down to your children, and enshrined in the practice of a whole society? And isn't it possible that creativity was never selected for at all, but arose as a byproduct of the selection of something else? As to the business of learning a language - well, gosh, haven't linguists been thinking about these sorts of questions very hard, and very systematically, and along very different lines, for decades now? If Deutsch has reasons for thinking that all of that is somehow on the wrong track, he ought to tell us what those reasons are. As it is, none of that gets so much as a mention in his book. And there are, in some places, explicit and outrageous falsehoods. Deutsch insists again and again, for example, that the only explanation we have for the observed behaviors of subatomic particles is a famous idea of Hugh Everett's to the effect that the universe of our experience is one of an infinite and endlessly branching collection of similar universes - and that what resistance there is to this idea is attributable to the influence of this or that fancy, misguided philosophical critique of good, solid, old-fashioned realistic attitudes toward what scientific theories have to tell us about the world. This is simply, wildly, wrong. Most of the good, solid, old-fashioned scientific realists who take an interest in questions of the foundations of physics - like me, for example - are deeply skeptical of Everett's picture. And that's because there are good reasons to be worried that Everett's picture cannot, in fact, explain those behaviors at all - and because there are other, much more reasonable-looking proposals on the table, that apparently can. DEUTSCH'S enthusiasm for the scientific and technological transformation of the totality of existence naturally brings with it a radical impatience with the pieties of environmentalism, and cultural relativism, and even procedural democracy - and this is sometimes exhilarating and sometimes creepy. He attacks these pieties, with spectacular clarity and intelligence, as small-minded and cowardly and boring. The metaphor of the earth as a spaceship or life-support system, he writes, "is quite perverse. . . . To the extent that we are on a 'spaceship,' we have never merely been its passengers, nor (as is often said) its stewards, nor even its maintenance crew: we are its designers and builders. Before the designs created by humans, it was not a vehicle, but only a heap of dangerous raw materials." But it's hard to get to the end of this book without feeling that Deutsch is too little moved by actual contemporary human suffering. What moves him is the grand Darwinian competition among ideas. What he adores, what he is convinced contains the salvation of the world, is, in every sense of the word, The Market. And there are moments when you just can't imagine what the deal is with this guy. Deutsch - notwithstanding his open and anti-authoritarian and altogether admirable ideology of inquiry - is positively bubbling over with inviolable principles: that everything is explicable, that materialist interpretations of history are morally wrong, that "the only uniquely significant thing about humans . . . is our ability to create new explanations," and on and on. And if the reader turns to Pages 64 and 65, she will find illustrations depicting two of them, literally, carved in stone. I swear. Never mind. He is exactly who he is, and he is well worth getting to know, and we are very lucky indeed to have him. The realization that we are not the center of the universe may have made us the center of the universe. David Albert is a professor of philosophy at Columbia and the author of "Quantum Mechanics and Experience."

Copyright (c) The New York Times Company [August 14, 2011]
Review by Booklist Review

Famous for his devotion to progress, Whig historian Thomas Macaulay looks timid compared to Deutsch. For Deutsch dares to extend the motif of progress from the very dawnings of human civilization, when ancient Babylonians first created a positional system of numbers, into an imagined future, when humans will upload their personalities into computers and technologically harness dark energy to generate a neverending cascade of new knowledge. Deutsch draws the inspiration for this exhilarating ride from a stream of revolutionary ideas, each explaining the world, man, and the cosmos in exciting new ways, yet each also provoking criticism and correction, thereby incubating the next idea in the grand chain. To be sure, readers may find Deutsch's argument for progress most compelling when he is charting human enterprises with transparent objectives (e.g., mathematics, a discipline revolutionized by theories that dispelled ancient fears of infinity). When he turns to aesthetics, philosophy, and politics, Deutsch brushes aside dark ambiguities that would delay his frenetic march. Audacious theorizing that swallows the universe whole!--Christensen, Bryc. Copyright 2010 Booklist

From Booklist, Copyright (c) American Library Association. Used with permission.
Review by Library Journal Review

Deutsch (Fellow, Royal Society; physics, Univ. of Oxford, UK; The Fabric of Reality) provides a comprehensive discussion of the larger concepts in science and everyday life. Picking up where Fabric ended, Deutsch expands his views on the deepest strands of discussion on evolution, quantum physics, knowledge, and computation to the broader concept of the multiverse. He does this by examining a variety of concepts including creativity, optimism, choice, and the evolution of culture to show that any topic is within the reach of reason. While Deutsch's book is lengthy, he convinces readers of the existence of the multiverse and how it can be described in the chosen contexts. -VERDICT Comparable recent works include John Gribbin's In Search of the Multiverse, Steven Manly's Visions of the Multiverse, and Bernard Carr's Universe or Multitverse? for those interested in learning more about the basics of the discussion and current beliefs in the existence of the multiverse. Recommended for readers in science, philosophy, and physics.-Elizabeth Brown, Binghamton Univ. Libs., NY (c) Copyright 2011. Library Journals LLC, a wholly owned subsidiary of Media Source, Inc. No redistribution permitted.

(c) Copyright Library Journals LLC, a wholly owned subsidiary of Media Source, Inc. No redistribution permitted.
Review by Kirkus Book Review

A philosophical exploration of progress, surprisingly lucid and thought-provoking.Deutsch (Physics/Oxford Univ.; The Fabric of Reality, 1998) asserts that until a few centuries ago, all cultures assumed everything worth knowing was known. Discoveries occurred (fire, tools, iron, gunpowder) but so rarely that no one thought the world could improveuntil the scientific revolution in 17th-century Europe. Since then, new knowledge and discoveries have occurred at a steadily increasing rate with the sky being the limit (the "infinity" in the title). What changed? Deutsch maintains that this was part of a wider movementthe Enlightenmentwhich revolutionized other fields including moral and political philosophy. Its essence was rejecting authority in regard to knowledge, replacing itnot with another authority, but with a tradition of criticism. This simply means that scientists seek good explanations. A good explanation is hard to vary but does its job. Thus, Newton's laws worked beautifully for centuries; Einstein's relativity worked better but didn't alter it greatly. A bad explanation changes easily. Every prescientific culture had an explanation for human origins, the cause of disease or how the sun shines. All were different and wrong. Both skeptical and optimistic, Deutsch devotes ingenious chapters to refuting ideas (empiricism, induction, holism) and philosophies (positivism, most modernism, post-modernism) that limit what we can learn. Today's fashionable no-nos include explaining human consciousness or building an intelligent computer, but putting these off-limits is to believe in magic.Scientists will eventually understand every phenomenon that obeys the laws of the universe, writes the author in this provocative, imaginative investigation of human genius.]] Copyright Kirkus Reviews, used with permission.

Copyright (c) Kirkus Reviews, used with permission.