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A detailed look at the combat aircraft designed by the legendary Edward H. Heinemann with one role in mind: tactical nuclear delivery. The Skyhawk first entered service with the US Navy almost 50 years ago. It is still in service with various US units and remains the backbone of many of the air forces of those countries to which it has been exported. “Heinemann’s Hot Rod” was never called upon for its original purpose—nuclear delivery from aircraft carriers—but its well-designed airframe proved adaptable to many other uses. This is an in-depth look at the design, production, evolution, operation and performance of the aircraft. It will also include first-hand accounts of flying the Skyhawk in action.
How can the tracks of dinosaurs best be interpreted and used to reconstruct them? In many Mesozoic sedimentary rock formations, fossilized footprints of bipedal, three-toed (tridactyl) dinosaurs are preserved in huge numbers, often with few or no skeletons. Such tracks sometimes provide the only clues to the former presence of dinosaurs, but their interpretation can be challenging: How different in size and shape can footprints be and yet have been made by the same kind of dinosaur? How similar can they be and yet have been made by different kinds of dinosaurs? To what extent can tridactyl dinosaur footprints serve as proxies for the biodiversity of their makers? Profusely illustrated and meticulously researched, Noah's Ravens quantitatively explores a variety of approaches to interpreting the tracks, carefully examining within-species and across-species variability in foot and footprint shape in nonavian dinosaurs and their close living relatives. The results help decipher one of the world's most important assemblages of fossil dinosaur tracks, found in sedimentary rocks deposited in ancient rift valleys of eastern North America. Those often beautifully preserved tracks were among the first studied by paleontologists, and they were initially interpreted as having been made by big birds—one of which was jokingly identified as Noah's legendary raven.
Collection of the monthly climatological reports of the United States by state or region, with monthly and annual national summaries.
This book, A Mosaic of Computational Topics: from Classical to Novel, is a collection of papers published to honor Professor Jetty Kleijn on the occasion of her 65th birthday. The scope and reach of her research is truly broad. She has made significant and lasting contributions in several research areas, both through the solving of challenging problems and in her pioneering of new research directions. She has published influential papers contributing to the foundations of computer science, in particular, in the area of formal languages and automata theory; to concurrency theory, in particular, Petri nets; and to natural computing, in particular bio-inspired computing and the computational modeling of bio-processes. A significant part of Professor Kleijn’s research portfolio is interdisciplinary, including her work on the Petri net modeling of biological processes and the development of novel models of information processing in bio-systems such as reaction systems. She is also passionately engaged in promoting the involvement of women in computer science. Jetty and her work are well-recognized by the scientific community, a fact demonstrated by the enthusiastic response to the invitation to contribute to this book, and the 14 carefully refereed papers collected together here explore a number of research topics that are either directly or indirectly related to research directions pursued by Jetty Kleijn in the course of her career.