The astonishing science of neutron stars and the stories of the scientists who study them.
Neutron stars are as bewildering as they are elusive. The remnants of exploded stellar giants, they are tiny, merely twenty kilometers across, and incredibly dense. One teaspoon of a neutron star would weigh several million tons. They can spin up to a thousand times per second, they possess the strongest magnetic fields known in nature, and they may be the source of the most powerful explosions in the universe. Through vivid storytelling and on-site reporting from observatories all over the world, Neutron Stars offers an engaging account of these still-mysterious objects.
Award-winning science journalist Katia Moskvitch takes readers from the vast Atacama Desert to the arid plains of South Africa to visit the magnificent radio telescopes and brilliant scientists responsible for our knowledge of neutron stars. She recounts the exhilarating discoveries, frustrating disappointments, and heated controversies of the past several decades and explains cutting-edge research into such phenomena as colliding neutron stars and fast radio bursts: extremely powerful but ultra-short flashes in space that scientists are still struggling to understand. She also shows how neutron stars have advanced our broader understanding of the universe—shedding light on topics such as dark matter, black holes, general relativity, and the origins of heavy elements like gold and platinum—and how we might one day use these cosmic beacons to guide interstellar travel.
With clarity and passion, Moskvitch describes what we are learning at the boundaries of astronomy, where stars have life beyond death.
The glowing cloud in Orion's sword, the Orion Nebula is a thing of beauty in the night sky; it is also the closest center of massive star formation--a stellar nursery that reproduces the conditions in which our own Sun formed some 4.5 billion years ago. The study of the Orion Nebula, focused upon by ever more powerful telescopes from Galileo's time to our own, clarifies how stars are formed, and how we have come to understand the process. C. Robert O'Dell has spent a lifetime studying Orion, and in this book he explains what the Nebula is, how it shines, its role in giving birth to stars, and the insights it affords into how common (or rare) planet formation might be.
An account of astronomy's extended engagement with one remarkable celestial object, this book also tells the story of astronomy over the last four centuries. To help readers appreciate the Nebula and its secrets, O'Dell unfolds his tale chronologically, as astrophysical knowledge developed, and our knowledge of the Nebula and the night sky improved.
Because he served as chief scientist for the Hubble Space Telescope, O'Dell conveys a sense of continuity with his professional ancestors as he describes the construction of the world's most powerful observatory. The result is a rare insider's view of this observatory--and, from that unique perspective, an intimate observer's understanding of one of the sky's most instructive and magnificent objects.
Galaxies are among nature’s most awe-inspiring and beautifully formed objects. In this highly informative and lucidly written book, Paul Hodge seeks to demystify galaxies and to examine closely our present-day knowledge of these magnificent star systems.
Hodge brings a historical perspective to his discussion of galactic research. He presents a summary of the revolutionary discoveries of the last decade, and he shows how they have contributed to our understanding of the nature and composition of the universe. Whereas previously perhaps a dozen astronomers devoted themselves to galaxy research, using two or three large telescopes, now hundreds of scientists are penetrating the mystery of the galactic world. This intensified research has yielded ground-breaking results: we are beginning to understand the enigmatic properties of the highly luminous yet relatively small quasars; we have a clearer understanding of the processes that generate spiral arms; we have a good idea of how different types of galaxies evolve; and we continue to grapple with the problem of the missing mass that is greater than anything detectable in the visible part of the galaxies.
This book succeeds in making the immense and remote universe of galaxies much more accessible to our imagination. It also conveys the excitement and wonder of this rapidly changing area of scientific inquiry. Enriched by numerous illustrations and written in an engaging style, Galaxies offers a nontechnical yet intelligent approach to the concepts and results of modern galactic research.
Orienting us with an insider’s tour of our cosmic home, the Milky Way, William Waller and Paul Hodge then take us on a spectacular journey, inviting us to probe the exquisite structures and dynamics of the giant spiral and elliptical galaxies, to witness colliding and erupting galaxies, and to pay our respects to the most powerful galaxies of all—the quasars. A basic guide to the latest news from the cosmic frontier—about the black holes in the centers of galaxies, about the way in which some galaxies cannibalize each other, about the vast distances between galaxies, and about the remarkable new evidence regarding dark energy and the cosmic expansion—this book gives us a firm foundation for exploring the more speculative fringes of our current understanding.
This is a heavily revised and completely updated version of Hodge’s Galaxies, which won an Association of American Publishers PROSE Award for Best Science Book of the Year in 1986.
We are connected to distant space and time not only by our imaginations but also through a common cosmic heritage. Emerging now from modern science is a unified scenario of the cosmos, including ourselves as sentient beings, based on the time-honored concept of change. From galaxies to snowflakes, from stars and planets to life itself, we are beginning to identify an underlying ubiquitous pattern penetrating the fabric of all the natural sciences--a sweepingly encompassing view of the order and structure of every known class of object in our richly endowed universe.
This is the subject of Eric Chaisson's new book. In Cosmic Evolution Chaisson addresses some of the most basic issues we can contemplate: the origin of matter and the origin of life, and the ways matter, life, and radiation interact and change with time. Guided by notions of beauty and symmetry, by the search for simplicity and elegance, by the ambition to explain the widest range of phenomena with the fewest possible principles, Chaisson designs for us an expansive yet intricate model depicting the origin and evolution of all material structures. He shows us that neither new science nor appeals to nonscience are needed to understand the impressive hierarchy of the cosmic evolutionary story, from quark to quasar, from microbe to mind.
Humans have always viewed the heavens with wonder and awe. The skies have inspired reflection on the vastness of space, the wonder of creation, and humankind’s role in the universe. In just over one hundred years, science has moved from almost total ignorance about the actual distances to the stars and earth’s place in the galaxy to our present knowledge about the enormous size, mass, and age of the universe. We are reaching the limits of observation, and therefore the limits of human understanding. Beyond lies only our imagination, seeded by the theories of physics. In Measuring the Cosmos, science writers David and Matthew Clark tell the stories of both the well-known and the unsung heroes who played key roles in these discoveries. These true accounts reveal ambitions, conflicts, failures, as well as successes, as the astonishing scale and age of the universe were finally established. Few areas of scientific research have witnessed such drama in the form of ego clashes, priority claims, or failed (or even falsified) theories as that resulting from attempts to measure the universe. Besides giving credit where long overdue, Measuring the Cosmos explains the science behind these achievements in accessible language sure to appeal to astronomers, science buffs, and historians.
The Big Bang: A Big Bust? The cosmos seems to be in crisis, and you don’t have to be a rocket scientist to see it. How, for instance, can the universe be full of stars far older than itself? How could space have once expanded faster than the speed of light? How can most of the matter in the universe be “missing”? And what kind of truly weird matter could possibly account for ninety percent of the universe’s total mass?
This brief and witty book, by the award-winning science writer Donald Goldsmith, takes on these and other key questions about the origin and evolution of the cosmos. By clearly laying out what we currently know about the universe as a whole, Goldsmith lets us see firsthand, and judge for ourselves, whether modern cosmology is in a state of crisis. Einstein’s Greatest Blunder? puts the biggest subject of all—the story of the universe as scientists understand it—within the grasp of English-speaking earthlings.
When Albert Einstein confronted a cosmological contradiction, in 1917, his solution was to introduce a new term, the “cosmological constant.” For a time, this mathematical invention solved discrepancies between his model and the best observations available, but years later Einstein called it the “greatest blunder” of his career. And yet the cosmological constant is still alive today—it is one of the “fudge factors” employed by cosmologists to make their calculations fit the observational data. Theoretical cosmologists, shows Goldsmith, continually reshape their models in an honest (if sometimes futile) effort to explain apparent chaos as cosmic harmony—whether their specific concern is the age and expansion rate of the cosmos, hot versus cold “dark matter,” the inflationary theory of the big bang, the explanation of large-scale structure, or the density and future of the universe.
Engagingly written and richly illustrated with photographs taken by the Hubble Space Telescope, Einstein’s Greatest Blunder? is a feast for the eye and mind.
The award-winning former editor of Science News shows that one of the most fascinating and controversial ideas in contemporary cosmology—the existence of multiple parallel universes—has a long and divisive history that continues to this day.
We often consider the universe to encompass everything that exists, but some scientists have come to believe that the vast, expanding universe we inhabit may be just one of many. The totality of those parallel universes, still for some the stuff of science fiction, has come to be known as the multiverse.
The concept of the multiverse, exotic as it may be, isn’t actually new. In The Number of the Heavens, veteran science journalist Tom Siegfried traces the history of this controversial idea from antiquity to the present. Ancient Greek philosophers first raised the possibility of multiple universes, but Aristotle insisted on one and only one cosmos. Then in 1277 the bishop of Paris declared it heresy to teach that God could not create as many universes as he pleased, unleashing fervent philosophical debate about whether there might exist a “plurality of worlds.”
As the Middle Ages gave way to the Renaissance, the philosophical debates became more scientific. René Descartes declared “the number of the heavens” to be indefinitely large, and as notions of the known universe expanded from our solar system to our galaxy, the debate about its multiplicity was repeatedly recast. In the 1980s, new theories about the big bang reignited interest in the multiverse. Today the controversy continues, as cosmologists and physicists explore the possibility of many big bangs, extra dimensions of space, and a set of branching, parallel universes. This engrossing story offers deep lessons about the nature of science and the quest to understand the universe.
Discoveries in astronomy challenge our fundamental ideas about the universe. Where the astronomers of antiquity once spoke of fixed stars, we now speak of whirling galaxies and giant supernovae. Where we once thought Earth was the center of the universe, we now see it as a small planet among millions of other planetary systems, any number of which could also hold life. These dramatic shifts in our perspective hinge on thousands of individual discoveries: moments when it became clear to someone that some part of the universe—whether a planet or a supermassive black hole—was not as it once seemed.
Secrets of the Universe invites us to participate in these moments of revelation and wonder as scientists first experienced them. Renowned astronomer Paul Murdin here provides an ambitious and exciting overview of astronomy, conveying for newcomers and aficionados alike the most important discoveries of this science and introducing the many people who made them. Lavishly illustrated with more than 400 color images, the book outlines in seventy episodes what humankind has learned about the cosmos—and what scientists around the world are poised to learn in the coming decades. Arranged by types of discovery, it also provides an overarching narrative throughout that explains how the earliest ideas of the cosmos evolved into the cutting-edge astronomy we know today. Along the way, Murdin never forgets that science is a human endeavor, and that every discovery was the result of inspiration, hard work, or luck—usually all three.
The first section of Secrets explores discoveries made before the advent of the telescope, from stars and constellations to the position of our own sun. The second considers discoveries made within our own solar system, from the phases of Venus and the moons of Jupiter to the comets and asteroids at its distant frontier. The next section delves into discoveries of the dynamic universe, like gravitation, relativity, pulsars, and black holes. A fourth examines discoveries made within our own galaxy, from interstellar nebulae and supernovae to Cepheid variable stars and extrasolar planets. Next Murdin turns to discoveries made within the deepest recesses of the universe, like quasars, supermassive black holes, and gamma ray bursters. In the end, Murdin unveils where astronomy still teeters on the edge of discovery, considering dark matter and alien life.
A concise introduction to the greatest questions of modern cosmology.
What came before the big bang? How will the universe evolve into the future? Will there be a big crunch? Questions like these have no definitive answers, but there are many contending theories. In A Little Book about the Big Bang, physicist and writer Tony Rothman guides expert and uninitiated readers alike through the most compelling mysteries surrounding the nature and origin of the universe.
Cosmologists are busy these days, actively researching dark energy, dark matter, and quantum gravity, all at the foundation of our understanding of space, time, and the laws governing the universe. Enlisting thoughtful analogies and a step-by-step approach, Rothman breaks down what is known and what isn’t and details the pioneering experimental techniques scientists are bringing to bear on riddles of nature at once utterly basic and stunningly complex. In Rothman’s telling, modern cosmology proves to be an intricate web of theoretical predictions confirmed by exquisitely precise observations, all of which make the theory of the big bang one of the most solid edifices ever constructed in the history of science. At the same time, Rothman is careful to distinguish established physics from speculation, and in doing so highlights current controversies and avenues of future exploration.
The idea of the big bang is now almost a century old, yet with each new year comes a fresh enigma. That is scientific progress in a nutshell: every groundbreaking discovery, every creative explanation, provokes new and more fundamental questions. Rothman takes stock of what we have learned and encourages readers to ponder the mysteries to come.
After Physics presents ambitious new essays about some of the deepest questions at the foundations of physics, by the physicist and philosopher David Albert. The book’s title alludes to the close connections between physics and metaphysics, much in evidence throughout these essays. It also alludes to the work of imagining what it would be like for the project of physical science—considered as an investigation into the fundamental laws of nature—to be complete.
Albert argues that the difference between the past and the future—traditionally regarded as a matter for metaphysical or conceptual or linguistic or phenomenological analysis—can be understood as a mechanical phenomenon of nature. In another essay he contends that all versions of quantum mechanics that are compatible with the special theory of relativity make it impossible, even in principle, to present the entirety of what can be said about the world as a narrative sequence of “befores” and “afters.” Any sensible and realistic way of solving the quantum-mechanical measurement problem, Albert claims in yet another essay, is ultimately going to force us to think of particles and fields, and even the very space of the standard scientific conception of the world, as approximate and emergent. Novel discussions of the problem of deriving principled limits on what can be known, measured, or communicated from our fundamental physical theories, along with a sweeping critique of the main attempts at making sense of probabilities in many-worlds interpretations of quantum mechanics, round out the collection.
In an agential realist account, the world is made of entanglements of “social” and “natural” agencies, where the distinction between the two emerges out of specific intra-actions. Intra-activity is an inexhaustible dynamism that configures and reconfigures relations of space-time-matter. In explaining intra-activity, Barad reveals questions about how nature and culture interact and change over time to be fundamentally misguided. And she reframes understanding of the nature of scientific and political practices and their “interrelationship.” Thus she pays particular attention to the responsible practice of science, and she emphasizes changes in the understanding of political practices, critically reworking Judith Butler’s influential theory of performativity. Finally, Barad uses agential realism to produce a new interpretation of quantum physics, demonstrating that agential realism is more than a means of reflecting on science; it can be used to actually do science.
Duhem's 1908 essay questions the relation between physical theory and metaphysics and, more specifically, between astronomy and physics–an issue still of importance today. He critiques the answers given by Greek thought, Arabic science, medieval Christian scholasticism, and, finally, the astronomers of the Renaissance.
How are human actions shaped by the materiality of media?
Contemporary media leads us more than ever to an ‘acting at a distance,’ an acting entangled with the materiality of communication and the mediality of transmission. This book explores this crucial phenomenon thereby introducing urgent questions of human interaction, the binding and breaking of time and space, and the entanglement of the material and the immaterial.
Three vivid inquiries deal with histories and theories of mediality and materiality: John Durham Peters looks at episodes of simultaneity and synchronization. Christina Vagt discusses the agency of computer models against the backdrop of aesthetic theories by Henri Bergson and Hans Blumenberg, and Florian Sprenger discusses early electrical transmissions through copper wire and the temporality of instantaneity.
It's not a scientific truth that has come into question lately but the truth--the very notion of scientific truth. Bringing a reasonable voice to the culture wars that have sprung up around this notion, this book offers a clear and constructive response to those who contend, in parodies, polemics and op-ed pieces, that there really is no such thing as verifiable objective truth--without which there could be no such thing as scientific authority.
A distinguished physicist with a rare gift for making the most complicated scientific ideas comprehensible, Roger Newton gives us a guided tour of the intellectual structure of physical science. From there he conducts us through the understanding of reality engendered by modern physics, the most theoretically advanced of the sciences. With its firsthand look at models, facts, and theories, intuition and imagination, the use of analogies and metaphors, the importance of mathematics (and now, computers), and the "virtual" reality of the physics of micro-particles, The Truth of Science truly is a practicing scientist's account of the foundations, processes, and value of science.
To claims that science is a social construction, Newton answers with the working scientist's credo: "A body of assertions is true if it forms a coherent whole and works both in the external world and in our minds." The truth of science, for Newton, is nothing more or less than a relentless questioning of authority combined with a relentless striving for objectivity in the full awareness that the process never ends. With its lucid exposition of the ideals, methods, and goals of science, his book performs a great feat in service of this truth.
It is the end of an historical epoch, but to an old professor of physics, Victor Jakob, sitting in his unlighted study, eating dubious bread with jam made from turnips, it is the end of a way of thinking in his own subject. Younger men have challenged the classical world picture of physics and are looking forward to observational tests of Einstein’s new theory of relativity as well as the creation of a quantum mechanics of the atom. It is a time of both apprehension and hope.
In this remarkable book, the reader literally inhabits the mind of a scientist while Professor Jakob meditates on the discoveries of the past fifty years and reviews his own life and career—his scientific ambitions and his record of small successes. He recalls the great men who taught or inspired him: Helmholtz, Hertz, Maxwell, Planck, and above all Paul Drude, whose life and mind exemplified the classical virtues of proportion, harmony, and grace that Jakob reveres. In Drude’s shocking and unexpected suicide, we see reflected Jakob’s own bewilderment and loss of bearings as his once secure world comes to an end in the horrors of the war and in the cultural fragmentation wrought by twentieth-century modernism. His attempt to come to terms with himself, with his life in science, and with his spiritual legacy will affect deeply everyone who cares about the fragile structures of civilization that must fall before the onrush of progress.
Science is about 6000 years old while physics emerged as a distinct branch some 2500 years ago. As scientists discovered virtually countless facts about the world during this great span of time, the manner in which they explained the underlying structure of that world underwent a philosophical evolution. From Clockwork to Crapshoot provides the perspective needed to understand contemporary developments in physics in relation to philosophical traditions as far back as ancient Greece.
Roger Newton, whose previous works have been widely praised for erudition and accessibility, presents a history of physics from the early beginning to our day--with the associated mathematics, astronomy, and chemistry. Along the way, he gives brief explanations of the scientific concepts at issue, biographical thumbnail sketches of the protagonists, and descriptions of the changing instruments that enabled scientists to make their discoveries. He traces a profound change from a deterministic explanation of the world--accepted at least since the time of the ancient Greek and Taoist Chinese civilizations--to the notion of probability, enshrined as the very basis of science with the quantum revolution at the beginning of the twentieth century. With this change, Newton finds another fundamental shift in the focus of physicists--from the cause of dynamics or motion to the basic structure of the world. His work identifies what may well be the defining characteristic of physics in the twenty-first century.
Why do we celebrate Einstein’s era above all other epochs in the history of physics? Much of the history of physics at the beginning of the twentieth century has been written with a sharp focus on a few key figures and a handful of notable events. Einstein’s Generation offers a distinctive new approach to the origins of modern physics by exploring both the material culture that stimulated relativity and the reaction of Einstein’s colleagues to his pioneering work.
Richard Staley weaves together the diverse strands of experimental and theoretical physics, commercial instrument making, and the sociology of physics around 1900 to present the collective efforts of a group whose work helped set the stage for Einstein’s revolutionary theories and the transition from classical to modern physics that followed. Collecting papers, talks, catalogues, conferences, and correspondence, Staley juxtaposes scientists’ views of relativity at the time to modern accounts of its history. Einstein’s Generation tells the story of a group of individuals which produced some of the most significant advances of the twentieth century; and challenges our celebration of Einstein’s era above all others.
As the twentieth century drew to a close, computers, the Internet, and nanotechnology were central to modern American life. Yet the advances in physics underlying these applications are poorly understood and widely underappreciated by U.S. citizens today. In this concise overview, David C. Cassidy sharpens our perspective on modern physics by viewing this foundational science through the lens of America's engagement with the political events of a tumultuous century.
American physics first stirred in the 1890s-around the time x-rays and radioactivity were discovered in Germany-with the founding of graduate schools on the German model. Yet American research lagged behind the great European laboratories until highly effective domestic policies, together with the exodus of physicists from fascist countries, brought the nation into the first ranks of world research in the 1930s. The creation of the atomic bomb and radar during World War II ensured lavish government support for particle physics, along with computation, solid-state physics, and military communication. These advances facilitated space exploration and led to the global expansion of the Internet.
Well into the 1960s, physicists bolstered the United States' international status, and the nation repaid the favor through massive outlays of federal, military, and philanthropic funding. But gradually America relinquished its postwar commitment to scientific leadership, and the nation found itself struggling to maintain a competitive edge in science education and research. Today, American physicists, relying primarily on industrial funding, must compete with smaller, scrappier nations intent on writing their own brief history of physics in the twenty-first century.
This magnificent account of the coming of age of physics in America has been heralded as the best introduction to the history of science in the United States. Unsurpassed in its breadth and literary style, Daniel J. Kevles’s account portrays the brilliant scientists who became a powerful force in bringing the world into a revolutionary new era. The book ranges widely as it links these exciting developments to the social, cultural, and political changes that occurred from the post–Civil War years to the present. Throughout, Kevles keeps his eye on the central question of how an avowedly elitist enterprise grew and prospered in a democratic culture.
In this new edition, the author has brought the story up-to-date by providing an extensive, authoritative, and colorful account of the Superconducting Super Collider, from its origins in the international competition and intellectual needs of high-energy particle physics, through its establishment as a multibillion-dollar project, to its termination, in 1993, as a result of angry opposition within the American physics community and Congress.
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