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Morphing Wing Technologies

Morphing Wing Technologies
  • Author : Sergio Ricci,Ferri M H Aliabadi,Ruxandra Botez,Fabio Semperlotti
  • Publisher :Unknown
  • Release Date :2017-10-27
  • Total pages :978
  • ISBN : 9780081009697
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Summary : Morphing Wings Technologies: Large Commercial Aircraft and Civil Helicopters offers a fresh look at current research on morphing aircraft, including industry design, real manufactured prototypes and certification. This is an invaluable reference for students in the aeronautics and aerospace fields who need an introduction to the morphing discipline, as well as senior professionals seeking exposure to morphing potentialities. Practical applications of morphing devices are presented—from the challenge of conceptual design incorporating both structural and aerodynamic studies, to the most promising and potentially flyable solutions aimed at improving the performance of commercial aircraft and UAVs. Morphing aircraft are multi-role aircraft that change their external shape substantially to adapt to a changing mission environment during flight. The book consists of eight sections as well as an appendix which contains both updates on main systems evolution (skin, structure, actuator, sensor, and control systems) and a survey on the most significant achievements of integrated systems for large commercial aircraft. Provides current worldwide status of morphing technologies, the industrial development expectations, and what is already available in terms of flying systems Offers new perspectives on wing structure design and a new approach to general structural design Discusses hot topics such as multifunctional materials and auxetic materials Presents practical applications of morphing devices

Smart Intelligent Aircraft Structures (SARISTU)

Smart Intelligent Aircraft Structures (SARISTU)
  • Author : Piet Christof Wölcken,Michael Papadopoulos
  • Publisher :Unknown
  • Release Date :2015-09-04
  • Total pages :1039
  • ISBN : 9783319224138
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Summary : The book includes the research papers presented in the final conference of the EU funded SARISTU (Smart Intelligent Aircraft Structures) project, held at Moscow, Russia between 19-21 of May 2015. The SARISTU project, which was launched in September 2011, developed and tested a variety of individual applications as well as their combinations. With a strong focus on actual physical integration and subsequent material and structural testing, SARISTU has been responsible for important progress on the route to industrialization of structure integrated functionalities such as Conformal Morphing, Structural Health Monitoring and Nanocomposites. The gap- and edge-free deformation of aerodynamic surfaces known as conformal morphing has gained previously unrealized capabilities such as inherent de-icing, erosion protection and lightning strike protection, while at the same time the technological risk has been greatly reduced. Individual structural health monitoring techniques can now be applied at the part-manufacturing level rather than via extending an aircraft’s time in the final assembly line. And nanocomposites no longer lose their improved properties when trying to upscale from neat resin testing to full laminate testing at element level. As such, this book familiarizes the reader with the most significant develo pments, achievements and key technological steps which have been made possible through the four-year long cooperation of 64 leading entities from 16 different countries with the financial support of the European Commission.

Morphing Aerospace Vehicles and Structures

Morphing Aerospace Vehicles and Structures
  • Author : John Valasek
  • Publisher :Unknown
  • Release Date :2012-02-24
  • Total pages :312
  • ISBN : 9781119940302
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Summary : Morphing Aerospace Vehicles and Structures provides a highly timely presentation of the state-of-the-art, future directions and technical requirements of morphing aircraft. Divided into three sections it addresses morphing aircraft, bio-inspiration, and smart structures with specific focus on the flight control, aerodynamics, bio-mechanics, materials, and structures of these vehicles as well as power requirements and the use of advanced piezo materials and smart actuators. The tutorial approach adopted by the contributors, including underlying concepts and mathematical formulations, unifies the methodologies and tools required to provide practicing engineers and applied researchers with the insight to synthesize morphing air vehicles and morphing structures, as well as offering direction for future research.

Adaptive Structures

Adaptive Structures
  • Author : David Wagg,Ian Bond,Paul Weaver,Michael Friswell
  • Publisher :Unknown
  • Release Date :2008-04-09
  • Total pages :314
  • ISBN : 0470512040
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Summary : Adaptive structures have the ability to adapt, evolve or change their properties or behaviour in response to the environment around them. The analysis and design of adaptive structures requires a highly multi-disciplinary approach which includes elements of structures, materials, dynamics, control, design and inspiration taken from biological systems. Development of adaptive structures has been taking place in a wide range of industrial applications, but is particularly advanced in the aerospace and space technology sector with morphing wings, deployable space structures; piezoelectric devices and vibration control of tall buildings. Bringing together some of the foremost world experts in adaptive structures, this unique text: includes discussions of the application of adaptive structures in the aerospace, military, civil engineering structures, automotive and MEMS. presents the impact of biological inspiration in designing adaptive structures, particularly the use of hierarchy in nature, which typically induces multi-functional behavior. sets the agenda for future research in adaptive structures in one distinctive single volume. Adaptive Structures: Engineering Applications is essential reading for engineers and scientists working in the fields of intelligent materials, structural vibration, control and related smart technologies. It will also be of interest to senior undergraduate and postgraduate research students as well as design engineers working in the aerospace, mechanical, electrical and civil engineering sectors.

Commercial Aircraft Composite Technology

Commercial Aircraft Composite Technology
  • Author : Ulf Paul Breuer
  • Publisher :Unknown
  • Release Date :2016-05-10
  • Total pages :257
  • ISBN : 9783319319186
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Summary : This book is based on lectures held at the faculty of mechanical engineering at the Technical University of Kaiserslautern. The focus is on the central theme of societies overall aircraft requirements to specific material requirements and highlights the most important advantages and challenges of carbon fiber reinforced plastics (CFRP) compared to conventional materials. As it is fundamental to decide on the right material at the right place early on the main activities and milestones of the development and certification process and the systematic of defining clear requirements are discussed. The process of material qualification - verifying material requirements is explained in detail. All state-of-the-art composite manufacturing technologies are described, including changes and complemented by examples, and their improvement potential for future applications is discussed. Tangible case studies of high lift and wing structures emphasize the specific advantages and challenges of composite technology. Finally, latest R&D results are discussed, providing possible future solutions for key challenges such as low cost high performance materials, electrical function integration and morphing structures.

Defense Science and Technology Success Stories 2007

Defense Science and Technology Success Stories 2007
  • Author : United States. Defense Research and Engineering
  • Publisher :Unknown
  • Release Date :2007
  • Total pages :149
  • ISBN : UOM:39015075632441
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Summary :

The Proceedings of the 2018 Asia-Pacific International Symposium on Aerospace Technology (APISAT 2018)

The Proceedings of the 2018 Asia-Pacific International Symposium on Aerospace Technology (APISAT 2018)
  • Author : Xinguo Zhang
  • Publisher :Unknown
  • Release Date :2019-06-08
  • Total pages :3068
  • ISBN : 9789811333057
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Summary : This book is a compilation of peer-reviewed papers from the 2018 Asia-Pacific International Symposium on Aerospace Technology (APISAT 2018). The symposium is a common endeavour between the four national aerospace societies in China, Australia, Korea and Japan, namely, the Chinese Society of Aeronautics and Astronautics (CSAA), Royal Aeronautical Society Australian Division (RAeS Australian Division), the Korean Society for Aeronautical and Space Sciences (KSAS) and the Japan Society for Aeronautical and Space Sciences (JSASS). APISAT is an annual event initiated in 2009 to provide an opportunity for researchers and engineers from Asia-Pacific countries to discuss current and future advanced topics in aeronautical and space engineering.

Smart Structures and Materials

Smart Structures and Materials
  • Author : Aurelio L. Araujo,Carlos A. Mota Soares
  • Publisher :Unknown
  • Release Date :2016-12-20
  • Total pages :293
  • ISBN : 9783319445076
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Summary : This work was compiled with expanded and reviewed contributions from the 7th ECCOMAS Thematic Conference on Smart Structures and Materials, that was held from 3 to 6 June 2015 at Ponta Delgada, Azores, Portugal. The Conference provided a comprehensive forum for discussing the current state of the art in the field as well as generating inspiration for future ideas specifically on a multidisciplinary level. The scope of the Conference included topics related to the following areas: Fundamentals of smart materials and structures; Modeling/formulation and characterization of smart actuators, sensors and smart material systems; Trends and developments in diverse areas such as material science including composite materials, intelligent hydrogels, interfacial phenomena, phase boundaries and boundary layers of phase boundaries, control, micro- and nano-systems, electronics, etc. to be considered for smart systems; Comparative evaluation of different smart actuators and sensors; Analysis of structural concepts and designs in terms of their adaptability to smart technologies; Design and development of smart structures and systems; Biomimetic phenomena and their inspiration in engineering; Fabrication and testing of smart structures and systems; Applications of smart materials, structures and related technology; Smart robots; Morphing wings and smart aircrafts; Artificial muscles and biomedical applications; Smart structures in mechatronics; and Energy harvesting.

Development of Form-Adaptive Airfoil Profiles for Wind Turbine Application

Development of Form-Adaptive Airfoil Profiles for Wind Turbine Application
  • Author : Irfan Ahmed
  • Publisher :Unknown
  • Release Date :2017-10-23
  • Total pages :210
  • ISBN : 9783737603744
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Summary : The following work summarizes the development of shape-adaptive airfoil profiles for wind turbine application. The underlying motivation of this work is the potential cost effectiveness of wind power conversion through the introduction of shape-adaptive airfoils in future wind turbine blades. The employment of shape adaption system in the wind turbine blade geometry would facilitate a more efficient power harvesting for the next generation of smart wind turbines. In the scope of this work, the concepts of the dedicated shape-adaptive airfoil profiles for wind turbine application are investigated in light of their aerodynamic performances. The concepts of the actuation system are developed while taking pre-defined design boundary conditions suitable for wind turbine application into consideration. A novel numerical approach is developed towards the simulation of fluid-structure interaction for prototype shape-adaptive airfoils. The numerical scheme is employed in designing the shape-adaptive blade prototypes. Effort has been given to develop a unique actuator system for wind turbine application. In a next step, experimental investigations are carried out to quantize the aerodynamic flow-field around the shape-adaptive airfoils. Parallelly, experimental investigations are carried out on a rigid NACA 0012 airfoil to log its performance at different stagger angles. In a further step, numerical investigations are carried out on the different airfoil configurations. Finally, performance analyses of the airfoils are carried out. The shape-adaptive airfoils outperform the rigid NACA 0012 airfoil for the desired performance envelope.

Informatics in Control, Automation and Robotics

Informatics in Control, Automation and Robotics
  • Author : Juan Andrade Cetto,Jean-Louis Ferrier,Joaquim Filipe
  • Publisher :Unknown
  • Release Date :2011-05-02
  • Total pages :366
  • ISBN : 3642195393
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Summary : The present book includes a set of selected papers from the seventh "International Conference on Informatics in Control Automation and Robotics" (ICINCO 2010), held in Madeira, Portugal, from 15 to 18 June 2010. The conference was organized in three simultaneous tracks: "Intelligent Control Systems and Optimization", "Robotics and Automation" and "Signal Processing, Systems Modeling and Control". The book is based on the same structure. ICINCO received 320 paper submissions, not including those of workshops or special sessions, from 57 countries, in all continents. After a double blind paper review performed by the Program Committee only 27 submissions were accepted as full papers and thus selected for oral presentation, leading to a full paper acceptance ratio of 8%. Additional papers were accepted as short papers and posters. A further refinement was made after the conference, based also on the assessment of presentation quality, so that this book includes the extended and revised versions of the very best papers of ICINCO 2010. Commitment to high quality standards is a major concern of ICINCO that will be maintained in the next editions of this conference, including not only the stringent paper acceptance ratios but also the quality of the program committee, keynote lectures, workshops and logistics.

8th EASN-CEAS Workshop on Manufacturing for Growth and Innovation

8th EASN-CEAS Workshop on Manufacturing for Growth and Innovation
  • Author : Konstantinos Kontis,Spiros Pantelakis
  • Publisher :Unknown
  • Release Date :2019-09-27
  • Total pages :166
  • ISBN : 9783039214853
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Summary : This Special Issue contains selected papers from works presented at the 8th EASN–CEAS (European Aeronautics Science Network–Council of European Aerospace Societies) Workshop on Manufacturing for Growth and Innovation, which was held in Glasgow, UK, 4–7 September 2018. About 150 participants contributed to a high-level scientific gathering providing some of the latest research results on the topic, as well as some of the latest relevant technological advancements. Νine interesting articles, which cover a wide range of topics including characterization, analysis and design, as well as numerical simulation, are contained in this Special Issue.

Extreme Engineering

Extreme Engineering
  • Author : Rosen Publishing Group
  • Publisher :Unknown
  • Release Date :2007
  • Total pages :120
  • ISBN : 1404209867
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Summary : Presents a collection of essays from Scientific American on various technological advancements, including how close scientists are toward growing replacement organs, and how aeronautic engineers are redesigning aircraft based upon birds.

Advances in Heterogeneous Material Mechanics 2008

Advances in Heterogeneous Material Mechanics 2008
  • Author : Jinghong Fan,Haibo Chen
  • Publisher :Unknown
  • Release Date :2008
  • Total pages :1714
  • ISBN : 9781932078800
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Summary : This book offers over 400 never before published and rigorously refereed papers demonstrating the connections between nanoscale phenomena and the critical properties of dozens of engineered and natural materials—from polymer composites to human bone. Information is presented on new techniques for studying and quantifying the behavior of materials at nanoscale levels and linking this data to macroscale properties such as strength, fatigue, and failure points. The techniques include novel experiments and uses of instrumentation, as well as modeling and numerical methods. Virtually all the analyses in this book are offered here for the first time. They include information of value for materials investigators in defense, civil engineering, biomaterials, and transportation

World Forum on Smart Materials and Smart Structures Technology

World Forum on Smart Materials and Smart Structures Technology
  • Author : B.F. Spencer Jr.,M. Tomizuka,C.B. Yun,W.M. Chen,R.W. Chen
  • Publisher :Unknown
  • Release Date :2008-06-23
  • Total pages :840
  • ISBN : 143982844X
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Summary : This collection of almost 300 articles provides the critical knowledge and technological bases required for meeting one of the ultimate engineering challenges: the design and construction of smart structures and systems. It meets that trend that research in smart materials and structures seeks to apply multifunctional capabilities. Contributions deal with the use of new and existing materials to develop structures and systems that are capable of self-sensing, self-diagnosing, self-healing. Moreover such systems should be able to give adaptive responses to prevent loss and catastrophe, to minimize costs, and to prolong service life. Intended for researchers and practitioners from a broad range of disciplines. Set of book of abstracts (840 pp) and full paper, searchable CD-ROM (1994 pp).

Flight Dynamics and System Identification for Modern Feedback Control

Flight Dynamics and System Identification for Modern Feedback Control
  • Author : Jared A Grauer,James E Hubbard Jr.
  • Publisher :Unknown
  • Release Date :2013-08-31
  • Total pages :160
  • ISBN : 9780857094674
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Summary : Unmanned air vehicles are becoming increasingly popular alternatives for private applications which include, but are not limited to, fire fighting, search and rescue, atmospheric data collection, and crop surveys, to name a few. Among these vehicles are avian-inspired, flapping-wing designs, which are safe to operate near humans and are required to carry payloads while achieving manoeuverability and agility in low speed flight. Conventional methods and tools fall short of achieving the desired performance metrics and requirements of such craft. Flight dynamics and system identification for modern feedback control provides an in-depth study of the difficulties associated with achieving controlled performance in flapping-wing, avian-inspired flight, and a new model paradigm is derived using analytical and experimental methods, with which a controls designer may then apply familiar tools. This title consists of eight chapters and covers flapping-wing aircraft and flight dynamics, before looking at nonlinear, multibody modelling as well as flight testing and instrumentation. Later chapters examine system identification from flight test data, feedback control and linearization. Presents experimental flight data for validation and verification of modelled dynamics, thus illustrating the deficiencies and difficulties associated with modelling flapping-wing flight Derives a new flight dynamics model needed to model avian-inspired vehicles, based on nonlinear multibody dynamics Extracts aerodynamic models of flapping flight from experimental flight data and system identification techniques

Nonlinear Control of Fixed-Wing UAVs with Time-Varying and Unstructured Uncertainties

Nonlinear Control of Fixed-Wing UAVs with Time-Varying and Unstructured Uncertainties
  • Author : Michail G. Michailidis,Kimon P. Valavanis,Matthew J. Rutherford
  • Publisher :Unknown
  • Release Date :2020-02-21
  • Total pages :119
  • ISBN : 9783030407162
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Summary : This book introduces a comprehensive and mathematically rigorous controller design for families of nonlinear systems with time-varying parameters and unstructured uncertainties. Although the presented methodology is general, the specific family of systems considered is the latest, NextGen, unconventional fixed-wing unmanned aircraft with circulation control or morphing wings, or a combination of both. The approach considers various sources of model and parameter uncertainty, while the controller design depends not on a nominal plant model, but instead on a family of admissible plants. In contrast to existing controller designs that consider multiple models and multiple controllers, the proposed approach is based on the ‘one controller fits all models’ within the unstructured uncertainty interval. The book presents a modeling-based analysis and synthesis approach with additive uncertainty weighting functions for accurate realization of the candidate systems. This differs significantly from existing designs in that it is capable of handling time-varying characteristics. This research monograph is suitable for scientists, engineers, researchers and graduate students with a background in control system theory who are interested in complex engineering nonlinear systems.

Flight Dynamics, Simulation, and Control

Flight Dynamics, Simulation, and Control
  • Author : Ranjan Vepa
  • Publisher :Unknown
  • Release Date :2014-08-18
  • Total pages :696
  • ISBN : 9781466573369
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Summary : Explore Key Concepts and Techniques Associated with Control Configured Elastic AircraftA rapid rise in air travel in the past decade is driving the development of newer, more energy-efficient, and malleable aircraft. Typically lighter and more flexible than the traditional rigid body, this new ideal calls for adaptations to some conventional concep

Mechatronics 2013

Mechatronics 2013
  • Author : Tomáš Březina,Ryszard Jabloński
  • Publisher :Unknown
  • Release Date :2013-09-12
  • Total pages :902
  • ISBN : 9783319022949
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Summary : Mechatronics, as the integrating framework of mechanical engineering, electrical engineering, computer technology, control engineering and automation forms a crucial part in the design, manufacture and maintenance of a wide range of engineering products and processes. The mechatronics itself changes rapidly in last decade, from original mixture of subfields into original approach in engineering as a technical discipline. The book you are holding is aimed to help the reader to orient in this evolving field of science and technology. "Mechatronics 2013: Recent Technological and Scientific Advances" is the fourth volume following the previous editions in 2007, 2009 and 2011, providing the comprehensive and accessible coverage of advances in mechatronics presented on the 10th International Conference Mechatronics 2013, hosted this year at the Brno University of Technology, Czech Republic. The contributions, that passed the thorough review process, give an insight into current trends in research and development among Mechatronics 2013 contributing countries, with paper topics covering design and modeling of mechatronic systems, control and automation, signal processing, robotics and others, keeping in mind the innovation benefits of mechatronics design approach, leading to the development, production and daily use of machines and devices possessing a certain degree of computer based intelligence.

Design, Analysis and Development of a Morphable Wing Structure for Unmanned Aerial Vehicle Performance Augmentation

Design, Analysis and Development of a Morphable Wing Structure for Unmanned Aerial Vehicle Performance Augmentation
  • Author : Abhijit Hiraman Supekar
  • Publisher :Unknown
  • Release Date :2007
  • Total pages :229
  • ISBN : 0549142096
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Summary : In this research, we propose mechanisms to continuously morph a wing from a lower aspect ratio to a higher and to further extremities of a gull and an inverted-gull configuration. The mechanism comprises of a linear actuator for the extension of the wing and the servo motors to obtain the gull and inverted gull configurations. The initial design and preliminary finite element representation using 3D-beams and plates in ANSYS Classic were the benchmarks to proceed for the detailed structural analysis of the complete wing in ANSYS Workbench. An elliptical pressure distribution at the quarter cord is assumed for the linear static structural analysis. From these results the modified 3D-CAD model developed in CATIA, is imported in ANSYS Workbench and used to compute the vibrational mode frequencies to avoid any resonance conditions due to the combined operation of the servo motors and the structure. The structure is also tested to ensure that the final model is light in weight and is stressed within the factor of safety. These results are useful for the next stage of the prototype development and its related instrumentation. A preliminary computational aerodynamic analysis conducted includes the use of the Athena Vortex Lattice (AVL) code to obtain basic aerodynamic parameters such as the drag polar and, lift curve slope and the pitching moment slope as functions of angle of attack. These results along with its comparison with the flight phases of the seagull provide an insight into the aerodynamic effects of morphing. Further, the wing is also tested numerically for static wing divergence speed at various stages of extension. A systematic method is developed to calculate the structural stiffness' of the wings non-uniform geometry which changes over the span. Thus, the torsional deformation and influence function is calculated and the static wing divergence speed is determined. An observation of the change of divergence speed with the changes in the aspect ratio is made. Finally, the wing prototype is tested in low-speed wind tunnel, and thus used to validate the aerodynamic benefits of morphing. It is not the goal of this research to mimic bird kinematics. Rather, the objective is to select a biologically-inspired system to improve the range of achievable flying conditions for an Unmanned Aerial Vehicle (UAV). Keywords. Adaptive Wing Technology; Biomimetics; Linear Static Analysis; Modal Analysis; Static Wing Divergence; CFD; Wind Tunnel Testing.

Academic Press Dictionary of Science and Technology

Academic Press Dictionary of Science and Technology
  • Author : Christopher G. Morris,Academic Press,Christopher W. Morris
  • Publisher :Unknown
  • Release Date :1992-09-10
  • Total pages :2432
  • ISBN : 0122004000
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Summary : Over 125,000 entries cover 124 scientific and technological fields, including acoustical engineering, cartography graphic arts, microbiology, organic chemistry, radiology, and zoology

The Rise of Birds

The Rise of Birds
  • Author : Sankar Chatterjee
  • Publisher :Unknown
  • Release Date :2015-04-01
  • Total pages :392
  • ISBN : 9781421416144
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Summary : A small set of fossilized bones discovered almost thirty years ago led paleontologist Sankar Chatterjee on a lifelong quest to understand their place in our understanding of the history of life. They were clearly the bones of something unusual, a bird-like creature that lived long, long ago in the age of dinosaurs. He called it Protoavis, and the animal that owned these bones quickly became a contender for the title of "oldest known bird." In 1997, Chatterjee published his findings in the first edition of The Rise of Birds. Since then Chatterjee and his colleagues have searched the world for more transitional bird fossils. And they have found them. This second edition of The Rise of Birds brings together a treasure trove of fossils that tell us far more about the evolution of birds than we once dreamed possible. With no blind allegiance to what he once thought he knew, Chatterjee devours the new evidence and lays out the most compelling version of the birth and evolution of the avian form ever attempted. He takes us from Texas to Spain, China, Mongolia, Madagascar, Australia, Antarctica, and Argentina. He shows how, in the "Cretaceous Pompeii" of China, he was able to reconstruct the origin and evolution of flight of early birds from the feathered dinosaurs that lay among thousands of other amazing fossils. Chatterjee takes us to where long-hidden bird fossils dwell. His compelling, occasionally controversial, revelations—accompanied by spectacular illustrations—are a must-read for anyone with a serious interest in the evolution of "the feathered dinosaurs," from vertebrate paleontologists and ornithologists to naturalists and birders.