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David Macaulay, co-creator of the international bestseller The Way Things Work, brings his signature curiosity and detailing to the story of the steamship in this meticulously researched and stunningly illustrated book. Prior to the 1800s, ships crossing the Atlantic Ocean relied on the wind in their sails to make their journeys. But invention of steam power ushered in a new era of transportation that would change ocean travel forever: the steamship. Award-winning author-illustrator David Macaulay guides readers through the fascinating history that culminated in the building of the most advanced—and last—of these steamships: the SS United States. This book artfully explores the design and construction of the ship and the life of its designer and engineer, William Francis Gibbs. Framed around the author's own experience steaming across the Atlantic on the very same SS United States, Crossing on Time is a tour de force of the art of explanation and a touching and surprising childhood story. A 2020 NCTE Orbis Pictus Recommended Book 2020 Bank Street College of Education Best Children's Books of the Year List
Foremost in Scottish Hebridean tradition are the tales of the sea-folk - seals who could assume human form, but could not return to the sea without their sealskin belts. Against the background of such beliefs, the fact of strange people in kayaks being occasionally seen around the islands off the north and west of Scotland was probably not worth special mention, until travellers from the mainland heard of these sightings in the 17th and 18th centuries. This study draws together historical fact and maritime folklore to reveal some spellbinding mysteries of the ocean, involving seals and kayaks, Norse ancestry and the children of the seal.
Sullivan offers a portrait of a Victorian life that probes the cost of power, the practice of empire, and the impact of ideas. Devoting his talents to gaining power—above all for England and its empire—made Macaulay’s life a tragedy. Sullivan offers an unrivaled study of an afflicted genius and a thoughtful meditation on the modern ethics of power.
This revised edition of David Macaulay's classic The Way Things Work takes you into the inner workings of hundreds of machines and explains the science behind their technologies. From the simple lever to the modern microprocessor, this bestseller has been completely updated with the latest technologies and explains every machine you've ever wanted to understand, and some you've probably never thought about. From clocks and watches, to jet engines and the internet, David Macaulay's beautiful illustrations represent the inner workings of each machine. With David Macaulay's inspired illustrations and humorous approach, The Way Things Work makes even the most complex technology fun, fascinating and accessible for children of all ages.
Genealogists are now using molecular genealogy--comparing and matching people by matrilineal DNA lineages--mtDNA or patrilineal Y-chromosome ancestry and/or racial percentages tests. People interested in ancestry now look at genetic markers to trace the migrations of the human species. Here's how to trace your genealogy by DNA from your grandparents back 10,000 or more years. Anyone can be interested in DNA for ancestry research, but of interest to Jews from Eastern Europe is to see how different populations from a mosaic of communities reached their current locations. From who are you descended? What markers will shed light on your deepest ancestry? You can study DNA for medical reasons or to discover the geographic travels and dwelling places of some of your ancestors. How do Europeans in general fit into the great migrations of prehistory that took all to where they are today based on their genetic DNA markers and sequences? Where is the geographic center of their origin and the roots of all people? Specifically, how can you interpret your DNA test for family history as a beginner in researching ancestry and your own family history?
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This volume focuses on Buchberger theory and its application to the algorithmic view of commutative algebra. The presentation is based on the intrinsic linear algebra structure of Groebner bases, and thus elementary considerations lead easily to the state-of-the-art in its algorithmization.