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Author: Ron Cowen Publisher: Harvard University Press ISBN: 0674239288 Category : Science Languages : en Pages : 141
Book Description
“This gracefully written history of twentieth-century gravity research” brings to life the discoveries and developments that confirmed the theory of relativity (Publishers Weekly, starred review). Albert Einstein did nothing of note on May 29, 1919, yet that is when he became immortal. On that day, astronomer Arthur Eddington and his team observed a solar eclipse and found something extraordinary: gravity bends light, just as Einstein predicted. The finding confirmed the theory of general relativity, fundamentally changing our understanding of space and time. A century later, the Event Horizon Telescope examined the space surrounding Sagittarius A*, the supermassive black hole at the center of the Milky Way, to determine whether Einstein was right on the details. In Gravity’s Century, award-winning science writer Ron Cowen brings to life the incredible scientific journey between these two events and sheds light on their groundbreaking implications. From the development of radio telescopes to the discovery of black holes and quasars, and the still-unresolved place of gravity in quantum theory, Cowen breaks down the physics in clear and approachable language. Gravity’s Century vividly demonstrates how the quest to understand gravity is really the quest to comprehend the universe./
Author: Ron Cowen Publisher: Harvard University Press ISBN: 0674239288 Category : Science Languages : en Pages : 141
Book Description
“This gracefully written history of twentieth-century gravity research” brings to life the discoveries and developments that confirmed the theory of relativity (Publishers Weekly, starred review). Albert Einstein did nothing of note on May 29, 1919, yet that is when he became immortal. On that day, astronomer Arthur Eddington and his team observed a solar eclipse and found something extraordinary: gravity bends light, just as Einstein predicted. The finding confirmed the theory of general relativity, fundamentally changing our understanding of space and time. A century later, the Event Horizon Telescope examined the space surrounding Sagittarius A*, the supermassive black hole at the center of the Milky Way, to determine whether Einstein was right on the details. In Gravity’s Century, award-winning science writer Ron Cowen brings to life the incredible scientific journey between these two events and sheds light on their groundbreaking implications. From the development of radio telescopes to the discovery of black holes and quasars, and the still-unresolved place of gravity in quantum theory, Cowen breaks down the physics in clear and approachable language. Gravity’s Century vividly demonstrates how the quest to understand gravity is really the quest to comprehend the universe./
Author: Tom Herring Publisher: Elsevier ISBN: 0444535799 Category : Science Languages : en Pages : 461
Book Description
Geodesy, which is the science of measuring the size and shape of the Earth, explores the theory, instrumentation and results from modern geodetic systems. The beginning sections of the volume cover the theory of the Earth's gravity field, the instrumentation for measuring the field, and its temporal variations. The measurements and results obtained from variations in the rotation of the Earth are covered in the sections on short and long period rotation hanges. Space based geodetic methods, including the global positioning system (GPS) and Interferometric synthetic aperture radar (SAR), are also examined in detail. - Self-contained volume starts with an overview of the subject then explores each topic with in depth detail - Extensive reference lists and cross references with other volumes to facilitate further research - Full-color figures and tables support the text and aid in understanding - Content suited for both the expert and non-expert
Author: Jiaxing Zhang Publisher: CRC Press ISBN: 1138026743 Category : Computers Languages : en Pages : 2590
Book Description
This proceedings volume contains selected papers presented at the 2014 International Conference on Informatics, Networking and Intelligent Computing, held in Shenzhen, China. Contributions cover the latest developments and advances in the field of Informatics, Networking and Intelligent Computing.
Author: National Research Council Publisher: National Academies Press ISBN: 0309057922 Category : Science Languages : en Pages : 127
Book Description
For the past three decades, it has been possible to measure the earth's static gravity from satellites. Such measurements have been used to address many important scientific problems, including the earth's internal structure, and geologically slow processes like mantle convection. In principle, it is possible to resolve the time-varying component of the gravity field by improving the accuracy of satellite gravity measurements. These temporal variations are caused by dynamic processes that change the mass distribution in the earth, oceans, and atmosphere. Acquisition of improved time-varying gravity data would open a new class of important scientific problems to analysis, including crustal motions associated with earthquakes and changes in groundwater levels, ice dynamics, sea-level changes, and atmospheric and oceanic circulation patterns. This book evaluates the potential for using satellite technologies to measure the time-varying component of the gravity field and assess the utility of these data for addressing problems of interest to the earth sciences, natural hazards, and resource communities.
Author: Almas Heshmati Publisher: Nova Publishers ISBN: 9781600214493 Category : Business & Economics Languages : en Pages : 236
Book Description
China, following its radical economic reform has developed rapidly in recent decades with nearly double digit annual economic growth rates. China has experienced a major transformation in its transition from centrally planned economy to a developed and relatively well functioning market economy. This has been facilitated through a vision, strategy, planning, management and skilful implementation of such comprehensive reform program. The planning and implementation of the policy of reforming the economy has affected every aspect of life in China. It has implied organisational reforms and changes in production technology. The changes have required enormous amount of resources in various forms particularly in the energy sector, education and different public and private infrastructures. This book provides an up-to-date and in depth analysis of five factors crucial to the success of the policy and current state of the economy. These include: economic growth, bilateral trade relations, science and technology, flow of foreign direct investment and income inequality. They all together provide a comprehensive picture of the recent developments in the Chinese economy and its path of reform. The development has been a great source of admiration around the world.
Author: Kelli Allen Publisher: Teacher Created Materials ISBN: 9780743904773 Category : Languages : en Pages : 180
Book Description
The Discovering Science through Inquiry series provides teachers and students of grades 3-8 with direction for hands-on science exploration around particular science topics and focuses. The series follows the 5E model (engage, explore, explain, elaborate, evaluate). The Forces and Motion kit provides a complete inquiry model to explore the laws of motion through supported investigation. Watch as students design a safe-landing parachute to observe how the forces of deceleration work on parachutes. Forces and Motion kit includes: 16 Inquiry Cards in print and digital formats; Teacher's Guide; Inquiry Handbook (Each kit includes a single copy; additional copies can be ordered); Digital resources include PDFs of activities and additional teacher resources, including images and assessment tools; leveled background pages for students; and video clips to support both students and teachers.
Author: Publisher: Elsevier ISBN: 0444538038 Category : Science Languages : en Pages : 5604
Book Description
Treatise on Geophysics, Second Edition, is a comprehensive and in-depth study of the physics of the Earth beyond what any geophysics text has provided previously. Thoroughly revised and updated, it provides fundamental and state-of-the-art discussion of all aspects of geophysics. A highlight of the second edition is a new volume on Near Surface Geophysics that discusses the role of geophysics in the exploitation and conservation of natural resources and the assessment of degradation of natural systems by pollution. Additional features include new material in the Planets and Moon, Mantle Dynamics, Core Dynamics, Crustal and Lithosphere Dynamics, Evolution of the Earth, and Geodesy volumes. New material is also presented on the uses of Earth gravity measurements. This title is essential for professionals, researchers, professors, and advanced undergraduate and graduate students in the fields of Geophysics and Earth system science. Comprehensive and detailed coverage of all aspects of geophysics Fundamental and state-of-the-art discussions of all research topics Integration of topics into a coherent whole
Author: Joseph Awange Publisher: Springer ISBN: 3319584189 Category : Technology & Engineering Languages : en Pages : 462
Book Description
This book is the second edition of Environmental Monitoring using GNSS and highlights the latest developments in global navigation satellite systems (GNSS). It features a completely new title and additional chapters that present emerging challenges to environmental monitoring—“climate variability/change and food insecurity.” Since the publication of the first edition, much has changed in both the development and applications of GNSS, a satellite microwave remote sensing technique. It is the first tool to span all four dimensions of relevance to humans (position, navigation, timing and the environment), and it has widely been used for positioning (both by military and civilians), navigation and timing. Its increasing use is leading to a new era of remote sensing that is now revolutionizing the art of monitoring our environment in ways never imagined before. On the one hand, nearly all GNSS satellites (Global Positioning System (GPS), Global Navigation Satellite System (GLONASS), Galileo and Beidou) have become operational, thereby providing high-precision, continuous, all-weather and near real- time remote sensing multi-signals beneficial to environmental monitoring. On the other hand, the emerging challenges of precisely monitoring climate change and the demand for the production of sufficient food for ever-increasing populations are pushing traditional monitoring methods to their limits. In this regard, refracted GNSS signals (i.e., occulted GNSS signals or GNSS meteorology) are now emerging as sensors of climate variability, while the reflected signals (GNSS reflectometry or GNSS-R) are increasingly finding applications in determining, e.g., soil moisture content, ice and snow thickness, ocean heights, and wind speed and direction, among others. Furthermore, the increasing recognition and application of GNSS-supported unmanned aircraft vehicles (UAV)/drones in agriculture (e.g., through the determination of water holding capacity of soil) highlights the new challenges facing GNSS. As such, this new edition three new chapters address GNSS reflectometry and applications; GNSS sensing of climate variability; and the applications in UAV/drones. Moreover, it explores the application of GNSS to support integrated coastal zone management.
Author: Ron Cowen
Author: Ron Cowen
Author: 
Author: Lawrence A. Jameson
Author: Tom Herring
Author: Jiaxing Zhang
Author: National Research Council
Author: Almas Heshmati
Author: Kelli Allen
Author: 
Author: Joseph Awange