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A classic navigation tool returns, newly updated to reflect the latest advances in GPS technology and including everything a modern explorer of all skill levels needs to know about path finding, compasses, maps, and more. Original.
How did we get from 20-foot-long maps to GPS devices small enough to fit in the palm of our hands? How does GPS work and what can it tell us? How do ancient mapmaking techniques used by the Romans and Greeks influence the satellite technologies we use today? The history of mapmaking is full of remarkable characters who charted the unknown with an ever-changing set of tools. In Mapping and Navigation: The History and Science of Finding Your Way, kids ages 9–12 will learn the history and science behind the evolution of mapmaking, and how much is still out there for discovery. Readers will explore ideas through hands-on experiments while learning new terminology and interesting facts. Projects include using triangulation to measure distances, creating contour lines on a mini-mountain to understand elevation changes on a map, and inventing a sundial and compass to understand the basics of navigation. Whether mapping the solar system or mapping their own backyard, all readers will be able to understand mapping technologies and see the world in new and exciting ways.
This pioneering book describes the development of a robot mapping and navigation system inspired by models of the neural mechanisms underlying spatial navigation in the rodent hippocampus. Computational models of animal navigation systems have traditionally had limited performance when implemented on robots. This is the first research to test existing models of rodent spatial mapping and navigation on robots in large, challenging, real world environments.
For most of the twentieth century, maps were indispensable. They were how governments understood, managed, and defended their territory, and during the two world wars they were produced by the hundreds of millions. Cartographers and journalists predicted the dawning of a “map-minded age,” where increasingly state-of-the-art maps would become everyday tools. By the century’s end, however, there had been decisive shift in mapping practices, as the dominant methods of land surveying and print publication were increasingly displaced by electronic navigation systems. In After the Map, William Rankin argues that although this shift did not render traditional maps obsolete, it did radically change our experience of geographic knowledge, from the God’s-eye view of the map to the embedded subjectivity of GPS. Likewise, older concerns with geographic truth and objectivity have been upstaged by a new emphasis on simplicity, reliability, and convenience. After the Map shows how this change in geographic perspective is ultimately a transformation of the nature of territory, both social and political.
This open access book bridges the gap between playing with robots in school and studying robotics at the upper undergraduate and graduate levels to prepare for careers in industry and research. Robotic algorithms are presented formally, but using only mathematics known by high-school and first-year college students, such as calculus, matrices and probability. Concepts and algorithms are explained through detailed diagrams and calculations. Elements of Robotics presents an overview of different types of robots and the components used to build robots, but focuses on robotic algorithms: simple algorithms like odometry and feedback control, as well as algorithms for advanced topics like localization, mapping, image processing, machine learning and swarm robotics. These algorithms are demonstrated in simplified contexts that enable detailed computations to be performed and feasible activities to be posed. Students who study these simplified demonstrations will be well prepared for advanced study of robotics. The algorithms are presented at a relatively abstract level, not tied to any specific robot. Instead a generic robot is defined that uses elements common to most educational robots: differential drive with two motors, proximity sensors and some method of displaying output to the user. The theory is supplemented with over 100 activities, most of which can be successfully implemented using inexpensive educational robots. Activities that require more computation can be programmed on a computer. Archives are available with suggested implementations for the Thymio robot and standalone programs in Python.
Due to the level of detail, the images are best viewed on a tablet. All the techniques you need to become an expert navigator.
A practical treatment of short-range radar processing for reliable object detection at ground level.
Over the course of the twentieth century, there was a major shift in practices of mapping, as centuries-old methods of land surveying and print publication were incrementally displaced by electronic navigation systems. William Rankin argues that although this shift did not render traditional maps obsolete, it did revise the goals of the mapping sciences as a whole. Military cartographers and civilian agencies alike developed new techniques for tasks that exceeded the capabilities of paper, such as aiming long-range guns, navigating in featureless environments, regularizing air travel, or drilling for offshore oil. "After the Map "reveals the major conceptual ramifications of these and other changes and in doing so offers a new way of understanding the central political-geographic shift of the twentieth century. Seen first and foremost as affecting a transformation in the nature of "territory," the change from paper mapping to electronic systems is not a story about technological improvement or the wizardry of precision; instead, it is about the "kind" of geographic knowledge and therefore governance that can exist in the first place. "
Finding one’s way with a map is a relatively recent phenomenon. In premodern times, maps were used, if at all, mainly for planning journeys in advance, not for guiding travelers on the road. With the exception of navigational sea charts, the use of maps by travelers only became common in the modern era; indeed, in the last two hundred years, maps have become the most ubiquitous and familiar genre of modern cartography. Examining the historical relationship between travelers, navigation, and maps, Cartographies of Travel and Navigation considers the cartographic response to the new modalities of modern travel brought about by technological and institutional developments in the twentieth century. Highlighting the ways in which the travelers, operators, and planners of modern transportation systems value maps as both navigation tools and as representatives of a radical new mobility, this collection brings the cartography of travel—by road, sea, rail, and air—to the forefront, placing maps at the center of the history of travel and movement. Richly and colorfully illustrated, Cartographies of Travel and Navigation ably fills the void in historical literature on transportation mapping.
Presents a comprehensive guide to land navigation and offers instruction on choosing and using a compass, reading topographic maps, measuring distances, and navigation using the sun and stars as well as providing a fold-out map, drawings, and photographs.