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 : 34. 35 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.

Longitude

Author : Dava Sobel
ISBN : 9780007382002
Genre : History
File Size : 59. 31 MB
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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. With a Foreword by Neil Armstrong.

Longitude

Author : Dava Sobel
ISBN : 9780802715296
Genre : Biography & Autobiography
File Size : 37. 79 MB
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Describes the forty-year effort of John Harrison to invent the chronometer, the first instrument able to keep accurate time for navigational purposes.

The Illustrated Longitude

Author : Dava Sobel
ISBN : 1439559325
Genre : Science
File Size : 70. 66 MB
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Describes the forty-year effort of John Harrison to invent the chronometer, the first instrument able to keep accurate time for navigational purposes.

A More Perfect Heaven

Author : Dava Sobel
ISBN : 9781408824658
Genre : History
File Size : 51. 20 MB
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During the 1530s, rumours of a potentially revolutionary theory of how the heavens worked emanating from a small city in Poland began to spread throughout Europe. The architect of this theory was a Polish cleric named Nicolaus Copernicus. In around 1514 Copernicus had written and hand-copied an initial outline of his heliocentric theory, in which he placed the Sun, not the Earth, at the centre of our universe, with the planets, including the Earth, revolving about it. Titled his Commentariolus, it circulated among a very few astronomers. Over the next two decades Copernicus expanded his theory through hundreds of sightings, leading to a secretive manuscript whose existence tantalised mathematicians and scientists all over the world. In 1539 a young German mathematician, Georg Joachim Rheticus, travelled to Frombork to meet Copernicus; months later he departed with the manuscript for the book that would change the way we understand our place in the universe. Rheticus arranged for the publication of De Revolutionibus Orbium Coelestium (On the Revolutions of the Celestial Spheres) - legend has it Copernicus received a copy on his deathbed. This book would forever change the way we thought about our place in the universe. In her compelling style, Dava Sobel chronicles the history of the Copernican Revolution, relating the story of astronomy from Aristotle to the Middle Ages. And as she achieved with her international bestsellers Longitude and Galileo's Daughter, in A More Perfect Heaven, Sobel expands the bounds of popular science writing, giving us an unforgettable portrait of a major step forward in the human knowledge of our universe.

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 : 72. 20 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.

Technology Based Inquiry For Middle School

Author : Edwin P. Christmann
ISBN : 9780873552660
Genre : Education
File Size : 54. 46 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.

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