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Information and the Nature of Reality: From Physics to Metaphysics [Hardcover]

Paul Davies , Niels Henrik Gregersen
3.7 out of 5 stars  See all reviews (17 customer reviews)

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Book Description

November 15, 2010 0521762251 978-0521762250 1
Many scientists regard mass and energy as the primary currency of nature. In recent years, however, the concept of information has gained importance. Why? In this book, eminent scientists, philosophers and theologians chart various aspects of information, from quantum information to biological and digital information, in order to understand how nature works. Beginning with a historical treatment of the topic, the book also examines physical and biological approaches to information, and its philosophical, theological and ethical implications.

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Editorial Reviews

Review

"This is the anthology we have been waiting for ... seminal papers deal with matter through the history of Greek thought, seventeenth-century materialism and twentieth-century dematerialism, the need for a new scientific world view in the light of the quantum nature of the universe, and the storage and transmission of information in biological systems with the new knowledge of their genomes and development ... Philosophers, theologians and scientists all have their say, wrestling with the theme of God as the ultimate informational and structuring principle in the universe."
Professor Sir Brian Heap, St Edmund's College, President, European Academies Science Advisory Board, German Academy of Sciences

"... an illustrious cast of senior academics with backgrounds ranging from theoretical physics, through molecular biology, to philosophy and theology."
Bogdan Hoanca, Optics and Photonics News

Book Description

Many scientists regard mass and energy as the primary currency of nature. In recent years, however, the concept of information has gained importance. In this book, eminent scientists, philosophers and theologians chart various aspects of information, from quantum information to biological and digital information, to understand how nature works.

Product Details

  • Hardcover: 398 pages
  • Publisher: Cambridge University Press; 1 edition (November 15, 2010)
  • Language: English
  • ISBN-10: 0521762251
  • ISBN-13: 978-0521762250
  • Product Dimensions: 6 x 1.1 x 9 inches
  • Shipping Weight: 1.6 pounds (View shipping rates and policies)
  • Average Customer Review: 3.7 out of 5 stars  See all reviews (17 customer reviews)
  • Amazon Best Sellers Rank: #337,262 in Books (See Top 100 in Books)

Customer Reviews

Most Helpful Customer Reviews
199 of 207 people found the following review helpful
5.0 out of 5 stars Opening Pandora's box? November 20, 2010
Format:Hardcover|Amazon Verified Purchase
Over the past century or so most scientists have regarded mass and energy as nature's primary actors on the universal stage with information allowed only a secondary role. Essays in this book by authors from varied fields advocate a radically different view, one that elevates information as the fundamental entity underlying all of physical reality, implying the conceptual hierarchy: information -> laws of physics -> matter. I will not attempt a comprehensive review here, just hit a few highlights. Check the web for more detailed reviews.

Why should one take this idea of [information-as-fundamental] seriously? A short answer addressed by several authors is that known physical laws, relativity, quantum mechanics, and thermodynamics, are all laws about information, especially limits on the speed, quantity, and quality of information transfer. Relativity limits speed; quantum mechanics limits quantity. The wave function of a system of quantum particles encapsulates all that is known about the system; it is essentially an information field. It is not clear (to me at least) if the fundamental information envisioned here might be embedded in space-time (as the usual quantum wavefunction) or if the information may create space-time itself. Probably there are proponents on both sides of this question.

What are the implications of this revolutionary new paradigm? For one thing it is bound to be quite controversial. For some scientists this may be likened to opening Pandora's box (or at least a large can of worms) releasing all kinds of wild ideas about the origins of consciousness, implications for religious beliefs, mysticism, and so forth. Others, especially those interested in the "hard problem" of consciousness, may welcome the new ideas. Consider the implications of the [information-as-fundamental] paradigm for living systems. A gene is a set of coded instructions for a molecular system to carry out a task. Take a step up to the cellular level in the nested hierarchy of living systems. Each cell seems to act much like a natural supercomputer, an information-processing and replicating system of enormous complexity. Furthermore, human brains are even much more powerful information-processing systems. In fact, limits on inter-person information transfer are apparently all that allows us to remain individuals. Minds and information process appear, in the information-based picture, to be integral parts of our universe rather than accidental products of evolution as assumed by many. If information is fundamental, then maybe consciousness is fundamental.

I found many of the ideas in this book to be quite compelling; however, one cannot discount the enormous success of relativity and especially quantum mechanics in describing our physical world. The proposed new information paradigm currently provides no equivalent mathematics to predict the outcomes of specific experiments or develop new technology. Large parts of this paradigm are currently non falsifiable, leaving them beyond scientific purview, at least for now. Also somewhat problematic for me was the last section (five chapters) on philosophy and theology. For example, one chapter raises the concept of God as an informational principle at work in the entire cosmic process (rather than a designer God outside the universe). I suppose the identification of information with God depends critically on one's definition of the "G-word," but this seems like quite a large jump to me. Nevertheless, I was willing to seriously consider the arguments. In any case, this particular God (hopefully) bears little resemblance to the mean old ogre of the Old Testament.

While confronting the mind-brain issue (the hard problem) from several directions, this book has very little to say about neuroscience or its many conscious correlates, which are emphasized in the consciousness literature. I expect much future work to aim for more integration of such brain science with new thoughts about the putative fundamental information. A very modest attempt in this direction is provided in my new book (2010). The critical multiscale nature of life and (apparantly) consciousness is treated from a physical science perspective in Al Scott's Stairway to the Mind: The Controversial New Science of Consciousness (1995). The apparent critical importance to consciousness of nested hierarchy in brain tissue is emphasized from a medical perspective in Todd Feinberg's From Axons to Identity: Neurological Explorations of the Nature of the Self (Norton Series on Interpersonal Neurobiology) (2009). A neuroscience-based book that stresses complexity (and by implication information) is Gerald Edelman and Giulio Tononi's A Universe Of Consciousness How Matter Becomes Imagination (2000). A new book that successfully marries graph and complex systems theories to genuine brain (multi-scale) network anatomy is Olaf Spornes' Networks of the Brain (2010).
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28 of 30 people found the following review helpful
Format:Hardcover|Amazon Verified Purchase
This is a rich topic with James Gleick's recent and eclectic volume stimulating more popular interest in the perspectives, small and large, that information theory may offer us. This book's treatment of `information' from different perspectives starts well but subsides into unnecessarily complex and discursive verbage. The volume assays a range of topics, and bibliographies accompany each chapter. The topics (chapters) are organised in the themes of history, physics and biology, with philosophy and theology combined at the end. Alas, the detail of this review trails off about half way through as I sped up my reading, finding less rewards and continuing with the main aim of getting it over with. A concluding chapter is definitely needed to wrap up the many strands of thinking. I dislike writing negative reviews, preferring to focus on the positive and noting that preferences vary. However, I felt it important to flag to readers of Paul Davies's books that he is only an editor here, writing one chapter, and that the collection of essays does not deliver the level of exposition that his books usually do.

In Part 1, History, Ernan McMullan surveys the changing theories of matter in Western philosophy. His writing and vocabulary reflect a philosophical review and may be considered poetic or opaque depending on reader preference. More importantly, it offers one of the most concise and intelligible accounts of our perception of matter from Aristotle to dark matter that this reviewer has ever read. As a philosopher reviewing science, his emphases are incisive and clear, and have no doubt benefited from the comments of the editors, as he states. His references break an academic tradition in slightly favouring the more recent and accessible assessments of theories rather than their original proponents. Philip Clayton challenges materialism, and thereby science, with less convincing arguments which give inadequate weight to empiricism and the scientific method.

Part 2, Physics, starts with an eclectic appraisal of information theory in physics by Paul Davies who is always interesting and entertaining. There were loose ends: I am not sure if the `measurement to infinite' precision question was answered in terms of all phenomena, or why the 10 to the power 90 particles in the universe included photons and not gravitons. Davies needs to focus more so that readers can get their head around a discrete topic rather than gain a general impression of a field of study. Please note, this won't stop me buying his books. Seth Lloyd introduces the concept of the universe being a quantum computer where events generate outcomes, each of which may be considered a bit of information and resulting in the "complex order and structure" we know. Henry Stapp made my heart race when he undertook to provide "a non-paradox-laden description of the quantum universe and the place of our minds in it". Stapp's claim that our mind have been conditioned by three centuries of orthodox physics extended this appeal but his arguments became impenetrable, with a conclusion that his analysis is concordant with the "idea of a powerful God" coming out of the blue. I would like to give his interesting theory another chance and a re-read, perhaps with a strong coffee. I also wonder if this is an overly distilled decant of his views in Mindful Universe.

In Part3, Biology, John Maynard Smith examines DNA transcription and central dogma predictably with examples below the par we see from Dawkins and others. He touches on epigenetics, although not by this newer name. Except for statements such as "genes and regulatory proteins carry information, but enzymes do not", one needs to read between the lines to decide what information means in the context of biology. In fairness, more clarity is occasionally offered by Deacon, often through helpful analogy, in his attempt to argue against sceptical paradigms that conclude "either content is fundamentally relativistic, holistic, and ungrounded or else is merely epiphenomenal and ineffectual except in its arbitrary correlation with the physical properties of the signs that convey it". Such word strings are common in this book. Chapters by Kuppers, Hoffmeyer and Rolston unfortunately maintain similarly loquacious arguments, using unnecessarily obscure terms and vocabulary to arrive precipitously at esoteric points. Rolston's treatment of group selection offers promise, but examination through the concept of `caring' is haphazard. These chapters trawl the literature up to a point, but their inefficient arguments make them a chore to read.

Chapters in Part 4, Philosophy and Theology, continued to attempt to answer interesting questions with sophistic and mangled logic, with embarrassing levels of self citation. These chapters would leave any reader concluding that studies of science and religion mix in the manner of oil and water.

I would buy the book again, at least to read a couple of great chapters and for the bibliographies.
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14 of 14 people found the following review helpful
4.0 out of 5 stars Information: the ground of all being October 30, 2011
Format:Hardcover|Amazon Verified Purchase
This book is divided into four main Categories: History, Physics, Biology, and Philosophy and Theology, with contributions by 15 prominent authors including the two editors, Paul Davies, and Niels Henrik Gregersen.

Information, like the concepts of matter and energy has been difficult to define. According to Terrence Deacon, the definition of energy wasn't fully realized until it was discovered that energy is not a substance, but rather, a dynamic process of change that is always conserved. Just as with the concept of energy, he said, we must give up the idea of thinking of information as some "artifact" or "commodity". In the broadest sense, says John F. Haught, information can mean whatever gives form, order, pattern, or identify to something.

Today most physicists divide information into two broad categories: syntactic information and semantic information. Syntactic information is sometimes called Shannon information after Claude Shannon who discovered that information can be thought of as a measure of entropy and probability. This is both a quantitative and physical definition, which describes how much information any system can carry and is not concerned with the meaning of the information. The more information a system carries the less entropy it contains, which also happens to be the least probable state of the system. Likewise, the most probable state of a system has a high degree of entropy and carries little information. So we can think of information as a complementarity between the message and the medium. Both are needed for a complete description of information. The second type of information is called semantic information, and it deals with the content of the message--what it means.

Paul Davies says that most physicists now believe that information and not particles and fields are the ground of all being. Beginning with the ancient Greeks up until recent times it has been assumed that the laws of physics, and their mathematically descriptive counterpart were objective aspects of the universe cast in stone, and it was the job of the physicist to uncover these objective truths. This idea was furthered by monotheistic thinking which suggested that the discovery of these objective truths were a window into the mind of God, an idea that has gone unchallenged for three centuries. Davis states: "The fusion of Platonism and Monotheism created the powerful orthodox scientific concept of the laws of physics as ideal, perfect infinitely precise, immutable, eternal unchanging mathematical forms that reside in an abstract platonic heaven beyond space and time. All of these assumptions must be jettisoned to come to an understanding that the laws and states of the universe co-evolve."

For many--from Plato to physicist/ mathematician, Roger Penrose-- mathematics has been assumed to be an objective construct of the universe from which matter and information find expression, but an evolving view among physicists is that information is the basic entity of reality from which the laws of physics, and matter emerge. After all says Davies, "Laws are an informational statement." Mathematics has been successful in describing the laws of physics, not because mathematics is somehow an objective aspect of the universe, but because mathematics and the laws of physics co-emerge from computations carried out since the beginning of time by the ultimate quantum computer--the universe at large.

There can be no separation between the information processing nature of the universe and the information processing revolution of life itself. Both the syntactic and the semantic concept of information are involved in the interplay between organisms and their environment in the sense that far from equilibrium system (organisms) need to be associated with an environment that supports the organisms condition. Both the environment (the signal medium) and the organism (the message) are needed for the co-evolution of the organism/environmental system.

According to Keith Ward and Arthur Peacocke, the information contained in DNA is not semantic information because no understanding is required for the translation and transcription processes that code for proteins. This kind of information belongs to a third category he calls "Shaping" or coded information and it requires no sentience. The functioning of the parts can only be explained by how they contribute to the organism as a whole, and this is true whether we are speaking of the universe as a whole or a living organism. Since consciousness is primordial and contains all possible states, we should not look to the simple to explain the complex, but rather the complex to explain the simple.

John Haught maintains that the idea of "God" as a designer is getting harder and harder to defend in light of the fact that the universe is constantly evolving. Information is a complementarity of order and disorder. Too much order is too rigid and does not allow for novelty and evolution. "If the universe or life were simply designed," says Haught, "it would be frozen in a fixed and eternally unchanging identity. Design is a dead end." Though Haught says that whether or not one calls such a primordial consciousness "God" is partly a matter of taste, it hasn't stopped him and other contributors to the last section of this work in making a desperate attempt to shoe-horn God into the equation.

This work was a very exhaustive and comprehensive treatment of the topic of information, and it greatly informed me on the subject. I would highly recommend this to anyone willing to wade through some fairly dense material in order to get to a clear understanding of the nature of information.

This review by David Kreiter author of: "Confronting the Quantum Enigma: Albert, Niels, and John" (2011), and "Quantum Reality: A New Philosophical Perspective."
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Most Recent Customer Reviews
5.0 out of 5 stars What "information" means and what that means to you
The concept that all reality is information and all information is reality. The universe is composed of bits of information. Read more
Published 1 month ago by robert thornton
1.0 out of 5 stars A poor and garbled collection of articles
The first few essays are mediocre, after that the quality and clarity declines sharply to become useless.
Don't waste your time. Read more
Published 3 months ago by Stephen Doody
4.0 out of 5 stars Davies nails the topic.
Paul Davies has assumed the mantle of Carl Sagan (at least in my mind). However, Davies goes far deeper into his subject than Sagan. Read more
Published 3 months ago by Dan F. Duda
3.0 out of 5 stars It's never easy to mix so many authors
I guess I was expecting so much more from the book, its title and table of contents that I can't give it more than 3 stars. Read more
Published 8 months ago by Santiago Roel
4.0 out of 5 stars no fluff
I'm only about half way through this book. There is no fluff so you have to stay focused practically on each sentence. That said, I am enjoying this group of essays. Read more
Published 11 months ago by Chris Larson
1.0 out of 5 stars Over 1/3 is a time waster
How do some of the reviewers here write long reviews without getting around to mentioning how much of this book is rubbish? Read more
Published 12 months ago by Michael Haspert
4.0 out of 5 stars Waiting for a continuation
After having read The Goldilocks Enigma some time ago, and perused the last chapter, I have been waiting for a logical continuation of that Ultimate Explanation. Read more
Published 12 months ago by Josef A. Tomas
5.0 out of 5 stars Part of my regular rereading diet...
This book, along with Paul Davies, The Goldilock's Enigma, are part of my rereading diet almost every day. Read more
Published 15 months ago by Jimmie R. Yoes
5.0 out of 5 stars A vote for diversity
I like the varying sections of this book and believe the views in each of the volume's four parts will balance and inform an open-minded reader about a subject area difficult to... Read more
Published 17 months ago by ManyPlatos
5.0 out of 5 stars Is our universe pre-ordained with information?
In terms of classical physics, the physical reality may be defined as matter and energy behaving according to the laws of physics in classical spacetime, and the human being is a... Read more
Published 21 months ago by Rama Rao
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