longitude the true story of a lone genius who solved the greatest scientific problem of his time

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Longitude

Author : Dava Sobel
ISBN : 0802779433
Genre : Biography & Autobiography
File Size : 65. 10 MB
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Anyone alive in the eighteenth century would have known that "the longitude problem" was the thorniest scientific dilemma of the day-and had been for centuries. Lacking the ability to measure their longitude, sailors throughout the great ages of exploration had been literally lost at sea as soon as they lost sight of land. Thousands of lives, and the increasing fortunes of nations, hung on a resolution. The scientific establishment of Europe-from Galileo to Sir Isaac Newton-had mapped the heavens in both hemispheres in its certain pursuit of a celestial answer. In stark contrast, one man, John Harrison, dared to imagine a mechanical solution-a clock that would keep precise time at sea, something no clock had ever been able to do on land. Longitude is the dramatic human story of an epic scientific quest, and of Harrison's forty-year obsession with building his perfect timekeeper, known today as the chronometer. Full of heroism and chicanery, it is also a fascinating brief history of astronomy, navigation, and clockmaking, and opens a new window on our world.

L Ngengrad

Author : Dava Sobel
ISBN : 9783827072368
Genre : Biography & Autobiography
File Size : 84. 11 MB
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Längengrad erzählt die Geschichte des unbekannten schottischen Uhrmachers John Harrison, dem es im 18. Jahrhundert gelang, die Schiffahrt durch die Lösung des Längengrad-Problems auf neuen Kurs zu bringen. Bislang hatten sich die Seefahrer bei ihrer Navigation am Verlauf der Breitengrade orientiert. Eine Methode mit fatalen Folgen: Seefahrer und Fracht wurden leichte Beute von Seeräubern, die den Handelsschiffen auf den Breitengraden auflauerten. Zudem irrten die Schiffe fast orientierungslos auf den Weltmeeren umher und erreichten ihre Zielorte wenn überhaupt — eher zufällig. Die ohnehin langen Schiffahrten dauerten noch länger. Der gefürchtete Skorbut raffte nicht selten die Mannschaft dahin. Mit einem Wort: Handelsschiffahrt war ein Unternehmen auf Leben und Tod. Längengrad rekonstruiert die Geschichte einer wissenschaftlichen Gralssuche, eines Davidskampfes gegen die großen Astronomen jener Zeit. Galileo Galilei, Sir Isaac Newton und Edmond Halley suchten die Lösung des damals schwierigsten nautischen Problems in den Gestirnen. Anders John Harrison: 40 Jahre lang arbeitete er besessen an seiner Idee eines perfekten Chronometers. Trotz der Intrigen seiner Rivalen setzte sich Harrisons geniale Erfindung letztendlich durch. Schon der berühmte Seefahrer James Cook ließ sich auf seinen Expeditionen von Harrisons Uhr leiten und nannte sie seinen »zuverlässigsten Freund« und »nie versagenden Führer«.

L Ngengrad

Author : Dava Sobel
ISBN : 3492405304
Genre :
File Size : 63. 64 MB
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Longitude

Author : Dava Sobel
ISBN : 3442723183
Genre :
File Size : 62. 40 MB
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Sobel presents the dramatic human story of an epic scientific quest and of John Harrison's 40-year obsession with building the perfect timekeeper, known today as the chronometer.

The Illustrated Longitude

Author : Dava Sobel
ISBN : 0802713440
Genre : Science
File Size : 56. 79 MB
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A fully illustrated edition of the international best-seller Longitude. The Illustrated Longitude recounts in words and images the epic quest to solve the greatest scientific problem of the eighteenth and three prior centuries: determining how a captain could pinpoint his ship's location at sea. All too often throughout the ages of exploration, voyages ended in disaster when crew and cargo were either lost at sea or destroyed upon the rocks of an unexpected landfall. Thousands of lives and the fortunes of nations hung on a resolution to the longitude problem. To encourage a solution, governments established prizes for anyone whose method or device proved successful. The largest reward of £20,000-- truly a king's ransom-- was offered by Britain's Parliament in 1714. The scientific establishment-- from Galileo to Sir Isaac Newton-- had been certain that a celestial answer would be found and invested untold effort in this pursuit. By contrast, John Harrison imagined and built the unimaginable: a clock that told perfect time at sea, known today as the chronometer. Harrison's trials and tribulations during his forty-year quest to win the prize are the culmination of this remarkable story. The Illustrated Longitude brings a new and important dimension to Dava Sobel's celebrated story. It contains the entire original narrative of Longitude, redesigned to accompany 183 images chosen by William Andrewes-- from portraints of every important figure in the story to maps and diagrams, scientifc instruments, and John Harrison's remarkable sea clocks themselves. Andrewes's elegant captions and sidebars on scientific and historical events tell their own story of longitude, paralleling and illuminating Sobel's memorable tale.

Galileos Tochter

Author : Dava Sobel
ISBN : 9783827072375
Genre : Science
File Size : 88. 15 MB
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Celeste ging bereits als junges Mädchen ins Kloster. Über hundert Briefe an den Vater sind erhalten und zeigen einen Galileo, wie wir ihn nicht kennen: voller Mut, die Wahrheiten, auf die er stieß, zu erklären. Sobel versteht es meisterlich, die Stimmen von Galileo und seiner Tochter in ihre Erzählung einzuweben. Und sie führt uns die wohl dramatischste Konfrontation von Kirche und Wissenschaft vor Augen, die es in der Geschichte gegeben hat.

The True Story Of A Lone Genius Who Solved The Greatest Scientific Problem Of His Time

Author : Dava Sobel
ISBN : 0007790163
Genre : Astronomical clock
File Size : 88. 87 MB
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This is the dramatic human story of an epic scientific quest - the search for the solution of how to calculate longitude and the unlikely triumph of an English genius.

Marq Or

Author : Wilhelm Kühlmann
ISBN : 9783110220476
Genre : Literary Criticism
File Size : 52. 97 MB
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Technology Based Inquiry For Middle School

Author : Edwin P. Christmann
ISBN : 9780873552660
Genre : Education
File Size : 41. 98 MB
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Learn the ABCs of working with contemporary tools that will help you integrate technology-based inquiry into your classroom practices. Activties featured in the conpendium, a collection of 26 articles published in Science Scope, NSTA's member journal for middle school teachers, will show you how. Technology-based Inquiry offers fresh approaches that you and your students can use to explore physical science, Earth and space science, life science, and more. It covers the necessary skills to get hands-on experience with graphing calculators, calculator-based labs (CBL), personal digital assistants (PDA), global positioning systems (GPS), graphical information systems (GIS), and other emerging technologies. Each chapter provides a list of online resources including where to purchase these devices, where to download programs (often at no cost), and where students can go to conduct further research. But never fear, you won't need a PhD to use this book. The articles are written in a non-threatening style and translate technology-based instructional processes into simple classroom applictaions. The practical tone makes this collection beneficial to in-service science teachers as well as pre-professionals taking methods courses. Inquiry-Based Inquiry will give you the confidence that comes with deeper understanding of how to use the latest technology to increase science learning.

Discoveries And Inventions In Literature For Youth

Author : Joy L. Lowe
ISBN : 0810849151
Genre : Literary Criticism
File Size : 44. 26 MB
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A compilation of books and other resources that are appropriate for students in kindergarten through twelfth grade.

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