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Are there "natural laws" that govern the ways in which humans behave and organize themselves, just as there are physical laws that govern the motions of atoms and planets? Unlikely as it may seem, such laws now seem to be emerging from attempts to bring the tools and concepts of physics into the social sciences. These new discoveries are part of an old tradition. In the seventeenth century the philosopher Thomas Hobbes, dismayed by the impending civil war in England, decided that he would work out what kind of government was needed for a stable society. His solution sparked a new way of thinking about human behavior in looking for the "scientific" rules of society.
Adam Smith, Immanuel Kant, Auguste Comte, and John Stuart Mill pursued this idea from different political perspectives. But these philosophers lacked the tools that modern physics can now bring to bear on the matter. Philip Ball shows how, by using these tools, we can understand many aspects of mass human behavior. Once we recognize that we do not make most of our decisions in isolation but are affected by what others decide, we can start to discern a surprising and perhaps even disturbing predictability in our laws, institutions, and customs.
Lively and compelling, Critical Mass is the first book to bring these new ideas together and to show how they fit within the broader historical context of a rational search for better ways to live.
- Sales Rank: #541805 in Books
- Published on: 2006-05-16
- Released on: 2006-05-16
- Original language: English
- Number of items: 1
- Dimensions: 8.22" h x 1.42" w x 5.50" l, 1.05 pounds
- Binding: Paperback
- 528 pages
From Publishers Weekly
Ball (an NBCC award finalist for Bright Earth) enthusiastically demonstrates how the application of the laws of modern physics to the social sciences can greatly enrich our understanding of the laws of human behavior: we can, he says, make predictions about society without negating the individual's free will. He opens his lucid and compelling study with an account of Thomas Hobbes's mechanistic political philosophy and shows how Adam Smith, Kant, Auguste Comte and John Stuart Mill expanded on Hobbes's scientific but anti-utopian theories of government and society. Ball notes a return to such a scientific view of the social sciences in the past two decades, and he examines the application of physical laws to economics, politics, even the inevitable synchronization of a theater audience's applause. First, he exhaustively details the development of key concepts in contemporary physics, such as self-organization, phase transitions, flocking behavior, chaos, bifurcation points, preferential attachment networks and evolutionary game theory. Next, he shows how social scientists apply these concepts to the study of human organization. Ball's primary assertion is that we must attend to the relationship between global phenomena and local actions. In other words, noticing the impact of individual decisions on laws and institutions is more worthwhile than trying to predict the behavior of individuals (as Ball's discussion of the logic of voting habits makes all too clear). Ball's carefully argued disagreements with conventional economic theory make for particularly engaging reading. Nonspecialist readers who enjoy a steep learning curve will relish the thought-provoking discussions Ball provides. Photos, illus.
Copyright © Reed Business Information, a division of Reed Elsevier Inc. All rights reserved.
From Booklist
In this wide-ranging investigation of pioneering attempts to explain social behavior by applying formulas borrowed from physics, Ball explains how maverick social theorists are now using discoveries about molecular motion and crystal formation to predict the behavior of various human groups, including crowds of soccer fans and clusters of pedestrians. Ball acknowledges that past "political arithmeticians" have often dehumanized their subjects by adopting mechanistic assumptions about individual psychology and have sometimes legitimated totalitarian rulers by giving them a putatively scientific charter. But Ball's numerous detailed examples of the new social physics show how statistical models from physics can yield highly reliable predictions for large-group outcomes without abridging the unpredictable freedom of individual choice. These same examples teach that a consistent physics of society yields not an ideological straitjacket stipulating how people should act but rather a detailed portrait of how people do act. Because the new social physics can help managers and policy makers in dozens of fields, this accessibly written book will attract a very diverse audience. Bryce Christensen
Copyright © American Library Association. All rights reserved
Review
“A wide-ranging and dazzlingly informed book about the science of interactions. I can promise you'll be amazed.” ―Bill Bryson, chair of the 2005 Aventis General Prize Judging Panel
“Philip Ball makes physics sexy again in Critical Mass.” ―Elissa Schappel, Vanity Fair
“It's lively and wonderfully informative.” ―George Scialabba, The Boston Globe
“Fascinating. . . impressively clear and breathtaking in scope. . . substantial, impeccably researched . . . persuasive. For anyone who would like to learn about the intellectual ferment at the surprising junction of physics and social science, Critical Mass is the place to start.” ―Stephen Strogatz, Nature
Most helpful customer reviews
96 of 98 people found the following review helpful.
A physicist's view of emergent phenomena
By Alwyn Scott
Readers of "Critical Mass" by Philip Ball will learn many new concepts and ideas from a skilled science writer with a doctorate in physics. His book opens with brief historical account that weaves the political confusion that engulfed Britain in the seventeenth century into early developments of science, but it is with the work of Thomas Hobbes that the author is particularly concerned. Although others had imagined ideal societies - Plato's "Republic", Thomas More's "Utopia", and Francis Bacon's "New Atlantis" come to mind - Hobbes attempted to deduce the laws of society from basic postulates in the manner that Isaac Newton had recently managed to explain planetary motion. In other words, Hobbes sought to establish a "physics of society" which is also the aim of Ball's book.
Sensitive to charges of "arrogance", Ball asserts that his work is "not an attempt to prescribe systems of control and governance, still less to bolster with scientific reasoning prejudices about how society ought to be run." Rather he would help us to understand how "patterns of behavior emerge - and patterns undoubtedly do emerge - from the statistical melée of many individuals doing their own idiosyncratic thing." Thus he uses the tools that have recently been developed in nonlinear science to understand collective social behavior. To this end, the historical introduction is followed by a discussion of the concept of probability and the corresponding growth of statistical physics that developed in the nineteenth and early twentieth centuries. The general reader who would understand these important ideas will benefit from the early chapters which clearly expound the notion of a phase change (think of boiling water or melting ice). As a central metaphor for much of the book, Ball carefully presents the Ising model, which comprises a two-dimensional array of rotating magnets (think of small compasses) each influencing the orientations of its nearest neighbors. Below a certain "temperature" (random vibrations of the magnets), the magnets all "freeze" into a certain orientation - a global effect that stems from local (nearest neighbor) interactions. To what extent, the author asks, do local interactions among people lead to the emergence of global social phenomena?
Beginning with discussions of snowflake growth, the formation of complex patterns in bacterial colonies, and the dynamics of flocking birds (in which the interactions are local), the author turns to collective phenomena involving humans, including the organization of passing rules on sidewalks and corridors, tragedies stemming from inept crowd control, path formation in parks, and the nonlinear dynamics influencing the growth of cities. These fascinating discussions are followed by a chapter on traffic flow (in which the dynamics of jamming are clearly explained) and several chapters on economics.
In the first of these, Ball considers fluctuating price levels, which Adam Smith deemed to be governed by the collective effect of an "invisible hand" as far back as the eighteenth century. An important aspect of price variations, well laid out in this book, is their statistics. If all the influences on prices were random, the variations would be governed by Gaussian statistics with large variations falling off as a negative exponential of the square. In fact, large variations are often found to be much more likely than in a random process, suggesting the statistics of Lévy flights used unconsciously both by foraging bees and also by Jackson Pollock in his famous drip paintings. Interestingly, an analysis of the S&P 500 market fluctuations shows a power-law distribution lying between Gaussian and Lévy statistics in which the likelihood of a variation is inversely proportional to a power of its magnitude. Power-law distributions have been found to govern many phenomena including the probabilities of avalanches and earthquakes, sizes of individual incomes, and growth rates of firms. From economics, Ball segues into the more slippery area of politics. Appealing to the Ising model, he considers analytic descriptions of the possible international alliances prior to the Second World War, statistics of recent voting patterns in Brazil (which are also found to follow a power law), and various models for investigating balances between social order and justice. Final chapters discuss the nature of interconnecting networks, the World Wide Web (in which the number of links to a site are governed by a power law) and analytic evaluations of strategies for international relations. Surprisingly, Ball ignores the application of collective dynamics to the human brain even though physicist John Hopfield has famously based such a description on the Ising model.
While this book is highly recommended, the author seems unaware of a seminal study of living systems published by Manfred Eigen and Peter Schuster a quarter century ago on how the first biological structures might have first become organized, which showed that three or more interacting hierarchical levels of organization are necessary for self-reproduction. In addition to being important for the emergence of life, this result has deep implications for the emergence of consciousness in our brains. Why? Human brains are organized into cognitive hierarchies, just as living organisms are organized into biological hierarchies, and cities are organized into social hierarchies. To better understand the dynamics of such intricate systems, we must move beyond the concept of emergence at a particular level of a nonlinear dynamic hierarchy to appreciate the possibilities of downward causation and positive feedback networks that extend over several hierarchical levels. Also, the author ignores the vast amount of work in cultural anthropology produced by physicist Franz Boas and his many brilliant students at Columbia University over much of the twentieth century, including Ruth Benedict's classic "Patterns of Culture".
Alwyn Scott
[...]
34 of 36 people found the following review helpful.
Insightful!
By Rolf Dobelli
This is a sometimes dense, often rambling and always interesting book about the history of science, the history of social philosophy and many points of congruence between the two, from how traffic jams happen to how communities self-organize. Author Philip Ball seems to include almost every notable physical scientist since Sir Isaac Newton as he traces how key scientific theories have influenced or been influenced by the speculations of economists and political scientists. Anyone whose acquaintance with science is minimal, but whose curiosity is deep, will find that reading this book is something like floating down a river that is a sometimes windy, sometimes swampy, sometimes roiling stream of discoveries, ideas, broken hypotheses and curious characters. There are two small flaws. First, the author identifies almost every scientist who ever worked on a problem remotely related to the book's subject and sometimes he does not clear the path through the thicket of names and experiments. And, second, in a social science discussion toward the end, Ball permits his political biases to color his story with occasional, apparently heartfelt, denunciations of right-leaning politicians. These quibbles aside, we say buy this book and enjoy an intriguing raft ride through interesting intellectual waters.
33 of 35 people found the following review helpful.
I really wanted to like this book...
By K. Irwin
My feeling on Critical Mass is that it is a mixed bag. When Philip Ball discusses physics his prose is, to borrow a United Kingdom phrase, "spot on" (I particularly liked his description of entropy). However, when he attempts to extend these descriptions to the social sciences, he sometimes (in this reviewer's opinion) simplifies the line between cause and effect as well as exaggerates foibles of those that came before him.
In some chapters (e.g., "On the road") I would argue that at best, all Critical Mass is doing is importing names from physics to describe similar appearing phenomena in our macro world. However, as the great Richard P. Feynman once said: "simply knowing the name of something is not knowledge". To me at least, there should have been more discussion on experimentation to back up the assertions that the similar appearing phenomena are in fact the same thing. Then it would truly illustrate something deeper. Again, to borrow from Feynman using his famous license plate analogy, if you have already observed the results and then develop a theory it is not science.
I could also have done without some of the condescending comments on the some of the great men that came before that apparently disagreed with the author's politics. For example, when discussing Adam Smith's theories on economics (Rhythms of the Marketplace), the book belabors his theories (e.g., page 180 "...even on its own term's Smith's economic theory was too simplistic to cover the whole story..." or page 184 "...Smith does not endorse the grinding poverty implicit in his words...") In contrast, the author is positively gushing when in the same chapter he describes Karl Marx's theories as "...the most influential of `scientific' economic theories in the nineteenth century..." (page 183) and "Marx's economic vision contained the crucial concept of a market that was potentially unsteady and to oscillate between boom and bust..." (page 186).
Just one man's opinion.
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