Scientific discoveries are constantly in the news. Almost daily we hear about new and important breakthroughs. But sometimes it turns out that what was trumpeted as scientific truth is later discredited, or controversy may long swirl about some dramatic claim.What is a nonscientist to believe? Many books debunk pseudoscience, and some others presen
Enigmatic for many years, cosmic rays are now known to be not rays at all, but particles, the nuclei of atoms, raining down continually on the earth, where they can be detected throughout the atmosphere and sometimes even thousands of feet underground. This book tells the long-running detective story behind the discovery and study of cosmic rays, a story that stretches from the early days of subatomic particle physics in the 1890s to the frontiers of high-energy astrophysics today. Writing for the amateur scientist and the educated general reader, Michael Friedlander, a cosmic ray researcher, relates the history of cosmic ray science from its accidental discovery to its present status. He explains how cosmic rays are identified and how their energies are measured, then surveys current knowledge and theories of thin cosmic rain. The most thorough, up-to-date, and readable account of these intriguing phenomena, his book makes us party to the search into the nature, behavior, and origins of cosmic rays—and into the sources of their enormous energy, sometimes hundreds of millions times greater than the energy achievable in the most powerful earthbound particle accelerators. As this search led unexpectedly to the discovery of new particles such as the muon, pion, kaon, and hyperon, and as it reveals scenes of awesome violence in the cosmos and offers clues about black holes, supernovas, neutron stars, quasars, and neutrinos, we see clearly why cosmic rays remain central to an astonishingly diverse range of research studies on scales infinitesimally small and large. Attractively illustrated, engagingly written, this is a fascinating inside look at a science at the center of our understanding of our universe.
Enigmatic for many years, cosmic rays are now known to be not rays at all, but particles, the nuclei of atoms, raining down continually on the earth, where they can be detected throughout the atmosphere and sometimes even thousands of feet underground. This book tells the long-running detective story behind the discovery and study of cosmic rays, a story that stretches from the early days of subatomic particle physics in the 1890s to the frontiers of high-energy astrophysics today. Writing for the amateur scientist and the educated general reader, Michael Friedlander, a cosmic ray researcher, relates the history of cosmic ray science from its accidental discovery to its present status. He explains how cosmic rays are identified and how their energies are measured, then surveys current knowledge and theories of thin cosmic rain. The most thorough, up-to-date, and readable account of these intriguing phenomena, his book makes us party to the search into the nature, behavior, and origins of cosmic rays—and into the sources of their enormous energy, sometimes hundreds of millions times greater than the energy achievable in the most powerful earthbound particle accelerators. As this search led unexpectedly to the discovery of new particles such as the muon, pion, kaon, and hyperon, and as it reveals scenes of awesome violence in the cosmos and offers clues about black holes, supernovas, neutron stars, quasars, and neutrinos, we see clearly why cosmic rays remain central to an astonishingly diverse range of research studies on scales infinitesimally small and large. Attractively illustrated, engagingly written, this is a fascinating inside look at a science at the center of our understanding of our universe.
Scientific discoveries are constantly in the news. Almost daily we hear about new and important breakthroughs. But sometimes it turns out that what was trumpeted as scientific truth is later discredited, or controversy may long swirl about some dramatic claim. What is a nonscientist to believe? Many books debunk pseudoscience, and some others present only the scientific consensus on any given issue. In At the Fringes of Science Michael Friedlander offers a careful look at the shadowlands of science. What makes Friedlander's book especially useful is that he reviews conventional scientific method and shows how scientists examine the hard cases to determine what is science and what is pseudoscience. Emphasizing that there is no clear line of demarcation between science and nonscience, Friedlander leads the reader through case after entertaining case, covering the favorites of "tabloid science" such as astrology and UFOs, scientific controversies such as cold fusion, and those maverick ideas that were at first rejected by science only to be embraced later. There are many good stories here, but there is also much learning and wisdom. Students of science and interested lay readers will come away from this book with an increased understanding of what science is, how it works, and how the nonscientist should deal with science at its fringes.
The world's leading source of evidence-based guidance on caring for patients at the end of life. Featuirng the content of the world's most widely read medical journal, plus completely new, never-before-published content. Perfect for medical students, trainees, and clinicians alike. Market / Audience Medical students: 18000/yr US, 250,000 global NP and PA students: 25,000/yr US, 50,000+ global IM and FP residents: 30,000 US, 60,000 global IM and FP clinicians: 140,000 US, 300,000+ global Palliative medicine: 3000 US Oncology: 20,000 US, 60,000 global Social workers About the Book In the tradition of the User's Guides to the Medical Literature, and The Rational Clinical Examination, JAMA/Care at the Close of Life is based on a widely successful series of articles appearing over the course of the last ten years in JAMA, the world's most widely read medical journal. The series is directed by Stephen McPhee, a leading authoriity of end of life care, and the chief editor of our market leading Current Medical Diagnosis and Treatment text. The articles in the series cover fundamental topics and challenges in caring for patients who have been given a terminal diagnosis. Featuring a strong focus on evidence-based medicine, and organized by clinical cases, the articles are widely read by faculty, medical students, and clinicians who, frankly, have not been given a solid educational experience on this very important medical issue. The book will be physically modeled after The Rational Clinical Examination, in a full color format that highlights the clinical cases. It will be well suited for use as an required or recommended textbook for medical, PA, and NO students, and as a clinical reference text for trainees and practicing physicians and nurses. Key Selling Features Based on highy regarded content from the world's most widely read medical journal All content is completely updated, and extensive new, never-before-published content has been added Case-based, and evidence-based, so its a perfect fit for the way medical students and residents like to learn Focuses on practical, real-world issues for primary care physicians, and avoids esoteric issues of interest only to specialists in palliative care Full color format, modeled after the highly regarded Rational Clinical Examination Includes multimedia materials available on line: Power Point slides for teaching, and video interviews with patients in end-of-life care, so that faculty and students get supplemental resources for learning the art and science of care at the end of life Evidence-based guidance from the world's leading medical journal, on a critical topic that has been neglected in medical education and training until recently. Author Profile JAMA is the world's most widely read medical journal, and has a reputation for excellence in evidence-based medicine. Stephen McPhee has high visbility on account of his editorship of CMDT, and for his driving role in enhancing end of life care in medical education and training programs. He is: Professor of Medicine, UCSF School of Medicine, San Francisco CA
Dost thou love life? Then do not squander time, for that's the stuff life is made oj': Benjamin Franklin This book describes the technical principles and applications of echo-planar imaging (EPI) which, as much as any other technique, has shaped the develop ment of modern magnetic resonance imaging (MRI). The principle of EPI, namely, the acquisition of multiple nuclear magnetic resonance echoes from a single spin excitation, has made it possible to shorten the previously time-con suming MRI data acquisition from minutes to much less than a second. Interest ingly, EPI is one of the oldest MRI techniques, conceived in 1976 by Sir Peter Mansfield only 4 years after the initial description of the principles of MRI. One of the inventors of MRI himself, Mansfield realized that fast data acquisition would be paramount in bringing medical applications of MRI to full fruition. The technological challenges in implementing EPI, however, were formidable. Until the end of the 1980s few people believed that EPI would be clinically useful, since its complexity was far greater than that of "conventional" MRI methods.
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