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"CATASTROPHES"
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Doomsday rocks from space
Discusses comets, asteroids, and meteors, including how and where they are formed in space, what scientists are doing to study and track them, and what danger these doomsday rocks are to Earth.
Book
T. Rex and the Crater of Doom
No detailed description available for \"T. rex and the Crater of Doom\".
eBook
Le climat dans les films catastrophe, dystopiques et post-apocalyptiques
Since the early 2000s, climate-pessimism has become a very popular film subject, reflecting some of the anxieties of today’s society. Thus disaster, dystopian and post-apocalyptic films are not only entertainment and manifestations of certain fashion effects, they are also a reflection of the scientific advances of their time. In this article, 55 films were selected based on the different representations of the climate and weather conditions they offer. The climate is presented and perceived very differently from one film to another. Although climate change has often become a privileged context in the scenarios of recent films, it is not necessarily put forward compared to other large-scale threats that humanity could face. Hostile weather and climate conditions provide an adequate atmosphere that points out the suffering conditions of the protagonists. The analysis of weather-climate phenomena highlights certain attempts to refer to recognized scientific work and results, if possible, in connection with phenomena with spectacular and catastrophic impacts, which allows to send warning messages to the spectators. Many films also tend to place the Earth into aridity. Beyond the more or less reliable scientific significance of a possible aridification according to the scenario concerned, the aesthetics of desert environments (sand-invaded cities, dust storms) is undoubtedly a deliberately desired effect in this category of films.
Journal Article
Introduction to international disaster management
This comprehensive overview of global emergency management provides practitioners and students alike with an understanding of the disaster management profession by using a global perspective, including the different sources of risk and vulnerability, the systems that exist to manage hazard risk, and the many stakeholders involved. This update examines the impact of recent large-scale and catastrophic disaster events on countries and communities, as well as their influence on disaster risk reduction efforts worldwide. It expands coverage of small-island developing states and explores the achievements of the United Nations Hyogo Framework for Action (2005-2015) and the priorities for action in the Post-2015 Framework for Disaster Risk Reduction currently under development.
eBook
When life nearly died : the greatest mass extinction of all time /
\"Today it is common knowledge that the dinosaurs were wiped out by a meteorite impact 65 million years ago that killed half of all species then living. It is far less widely understood that a much greater catastrophe took place at the end of the Permian period 251 million years ago: at least ninety percent of life on earth was destroyed. When Life Nearly Died documents not only what happened during this gigantic mass extinction but also the recent renewal of the idea of catastrophism: the theory that changes in the earth's crust were brought about suddenly in the past by phenomena that cannot be observed today. Was the end-Permian event caused by the impact of a huge meteorite or comet, or by prolonged volcanic eruption in Siberia? The evidence has been accumulating, and Michael J. Benton gives his verdict at the end of the volume. The new edition brings the study of the greatest mass extinction of all time thoroughly up-to-date. In the twelve years since the book was originally published, hundreds of geologists and paleontologists have been investigating all aspects of how life could be driven to the brink of annihilation, and especially how life recovered afterwards, providing the foundations of modern ecosystems.\"-- Publisher's web site.
Book
A catastrophic approach to designing interacting hysterons
We present a framework for analyzing collections of interacting hysterons through the lens of catastrophe theory. By modeling hysteron dynamics as a gradient system, we show how to construct hysteron transition graphs by characterizing the fold bifurcations of the dynamical system. Transition graphs represent the sequence of hysterons switching states, providing critical insights into the collective behavior of driven disordered media. Extending this analysis to higher codimension bifurcations, such as cusp bifurcations and crossings of fold curves, allows us to map out how the topology of transition graphs changes with variations in system parameters. This approach can suggest strategies for designing metamaterials capable of encoding targeted memory and computational functionalities, but it also highlights the rapid increase of design complexity with system size, further underscoring the computational challenges of controlling large hysteretic systems.
Journal Article
Cosmic catastrophes : seven ways to destroy a planet like Earth
An \"exploration of seven cosmic catastrophes that could hit Earth and any of the other 20 billion Earth-like planets in our /i galaxy\"-- Provided by publisher.
Book
Optical catastrophes of the swallowtail and butterfly beams
We experimentally realize higher-order catastrophic structures in light fields presenting solutions of the paraxial diffraction catastrophe integral. They are determined by potential functions whose singular mapping manifests as caustic hypersurfaces in control parameter space. By addressing different cross-sections in the higher-dimensional control parameter space, we embed swallowtail and butterfly catastrophes with varying caustic structures in the lower-dimensional transverse field distribution. We systematically analyze these caustics analytically and observe their field distributions experimentally in real and Fourier space. Their spectra can be described by polynomials or expressions with rational exponents capable to form a cusp.
Journal Article