The specter of information is haunting sciences. With these words, Wojciech H. Zurek invited fellow scientists to attend the 1989 Santa Fe Institute workshop on which this proceedings volume is based. Thermodynamics, statistical mechanics, the quantum theory of measurement, the physics of computation, dynamical systems, molecular biology, and computer science-information remains central to the 32 essays collected in this new edition of Complexity, Entropy & the Physics of Information.
Like the original meeting, this two-volume reprint explores the connections between quantum and classical physics, information and its transfer, computation, and their significance for the formulation of physical theories. A newly written introduction from attendee Seth Lloyd contextualizes the significance of this record of a meeting that marked the intersection of information, physics, complexity, and computation.
Genetic Entropy presents compelling scientific evidence that the genomes of all living creatures are slowly degenerating - due to the accumulation of slightly harmful mutations. This is happening in spite of natural selection. The author of this book, Dr. John Sanford, is a Cornell University geneticist. Dr. Sanford has devoted more than 10 years of his life to the study of this specific problem. Arguably, he has examined this problem in greater depth than any other scientist. The evidences that he presents are diverse and compelling.
He begins by examining how random mutation and natural selection actually operate, and shows that simple logic demands that genomes must degenerate. He then makes a historical examination of the relevant field (population genetics), and shows that the best scientists in that field have consistently acknowledged many of the fundamental problems he has uncovered (but they have failed to communicate these problems to the broader scientific community). He then shows, in collaboration with a team of other scientists, that state-of-the-art numerical simulation experiments consistently confirm the problem of genetic degeneration (even given very strong selection and optimal conditions). Lastly, in collaboration with other scientists, he shows that real biological populations clearly manifest genetic degeneration.
Dr. Sanford's findings have enormous implications. His work largely invalidates classic neo-Darwinian theory. The mutation/selection process by itself is not capable of creating the new biological information that is required for creating new life forms. Dr. Sanford shows that not only is mutation/selection incapable of creating our genomes - it can't even preserve our genomes. As biochemist Dr. Michael Behe of Lehigh University writes in his review of Genetic Entropy, "...not only does Darwinism not have answers for how information got into the genome, it doesn't even have answers for how it could remain there." Dr. Sanford has coined the term "genetic entropy" to describe this fatal flaw of neo-Darwinian theory. This fundamental problem has been something of a trade-secret within the field of population genetics, with the rest of the world largely being kept in the dark. Fortunately, this book finally discloses this very serious problem, using language that is for the most part accessible to all scholars and students having a basic understanding of biology.
This new edition of Genetic Entropy includes numerous new lines of evidence supporting Dr. Sanford's thesis. Much of this new evidence is from recently published scientific papers that are now part of the scientific literature. Genetic Entropy is a must-read for any thoughtful person who in interested in science.
Dr. Sanford ends his book by asking two questions. First, if our genome did not actually arise via the accumulation of genetic "word-processing errors" (as is claimed), how did it arise? Second, if our genomes are undergoing relentless degeneration - where can we possibly place our hope for the future?
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Striving to explore the subject in as simple a manner as possible, this book helps readers understand the elusive concept of entropy. Innovative aspects of the book include the construction of statistical entropy, the derivation of the entropy of classical systems from purely classical assumptions, and a statistical thermodynamics approach to the ideal Fermi and ideal Bose gases. Derivations are worked through step-by-step and important applications are highlighted in over 20 worked examples. Nearly 50 end-of-chapter exercises test readers' understanding.
The book also features a glossary giving definitions for all essential terms, a time line showing important developments, and list of books for further study. It is an ideal supplement to undergraduate courses in physics, engineering, chemistry and mathematics.
The Observatory… a truly first-rate book on the subject, and I would happily recommend it as the main (and inexpensive) text for a course of statistical mechanics
Effrosyni SeitaridouIn A Student's Guide to Entropy, Don Lemons conveys both mathematical and physical intuition of entropy … [he] is very thorough, clear, and succinct in his explanations, making sure that no subtlety is left unnoticed or unaccounted for. The reader feels that he/she is being taught and guided by an experienced teacher of thermodynamics and entropy … This book will be essential not only to students but also to faculty who are charged with the difficult task of teaching a subject that involves entropy … a thorough, self-contained guide to entropy for students and teachers
Prashant KhareA Student's Guide to Entropy is an excellent textbook for undergraduate students and early stage graduate students in physics and engineering. … Each concept is well defined - mathematical derivation of theories is rigorous and proceeds from fundamental notions to their final form in a methodical, step-by-step manner. The physical meaning of these equations is then explained in simple words, which is perhaps the most impressive feature of this book