Finding the Speed of Light: The 1676 Discovery that Dazzled the World (The History Makers Series) PDF Download
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Author: Mark Weston
Publisher: Tilbury House Publishers and Cadent Publishing
ISBN: 0884485471
Category : Juvenile Nonfiction
Languages : en
Pages : 34
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Book Description
Kirkus Star Junior Library Guild Gold Selection Mark Weston’s high-interest story and Rebecca Evans’s colorful graphics make scientific discovery the coolest thing this side of Jupiter. More than two centuries before Einstein, using a crude telescope and a mechanical timepiece, Danish astronomer Ole Romer measured the speed of light with astounding accuracy. How was he able to do this when most scientists didn’t even believe that light traveled? Like many paradigm-shattering discoveries, Romer’s was accidental. Night after night he was timing the disappearance and reappearance of Jupiter’s moon Io behind the huge, distant planet. Eventually he realized that the discrepancies in his measurements could have only one explanation: Light had a speed, and it took longer to reach Earth when Earth was farther from Jupiter. All he needed then to calculate light’s speed was some fancy geometry.
Author: Mark Weston
Publisher: Tilbury House Publishers and Cadent Publishing
ISBN: 0884485471
Category : Juvenile Nonfiction
Languages : en
Pages : 34
Get Book Here
Book Description
Kirkus Star Junior Library Guild Gold Selection Mark Weston’s high-interest story and Rebecca Evans’s colorful graphics make scientific discovery the coolest thing this side of Jupiter. More than two centuries before Einstein, using a crude telescope and a mechanical timepiece, Danish astronomer Ole Romer measured the speed of light with astounding accuracy. How was he able to do this when most scientists didn’t even believe that light traveled? Like many paradigm-shattering discoveries, Romer’s was accidental. Night after night he was timing the disappearance and reappearance of Jupiter’s moon Io behind the huge, distant planet. Eventually he realized that the discrepancies in his measurements could have only one explanation: Light had a speed, and it took longer to reach Earth when Earth was farther from Jupiter. All he needed then to calculate light’s speed was some fancy geometry.
Author: Michael Ware
Publisher: Lulu.com
ISBN: 1312929278
Category : Electromagnetic waves
Languages : en
Pages : 350
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Book Description
Author: Larry Schweikart
Publisher: Penguin
ISBN: 1101217782
Category : History
Languages : en
Pages : 1373
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Book Description
For the past three decades, many history professors have allowed their biases to distort the way America’s past is taught. These intellectuals have searched for instances of racism, sexism, and bigotry in our history while downplaying the greatness of America’s patriots and the achievements of “dead white men.” As a result, more emphasis is placed on Harriet Tubman than on George Washington; more about the internment of Japanese Americans during World War II than about D-Day or Iwo Jima; more on the dangers we faced from Joseph McCarthy than those we faced from Josef Stalin. A Patriot’s History of the United States corrects those doctrinaire biases. In this groundbreaking book, America’s discovery, founding, and development are reexamined with an appreciation for the elements of public virtue, personal liberty, and private property that make this nation uniquely successful. This book offers a long-overdue acknowledgment of America’s true and proud history.
Author: Laurie Nussdorfer
Publisher: JHU Press
ISBN: 080189509X
Category : History
Languages : en
Pages : 370
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Book Description
A fast-growing legal system and economy in medieval and early modern Rome saw a rapid increase in the need for written documents. Brokers of Public Trust examines the emergence of the modern notarial profession—free market scribes responsible for producing original legal documents and their copies. Notarial acts often go unnoticed, but they are essential to understanding the history of writing practices and attitudes toward official documentation. Based on new archival research, Brokers of Public Trust focuses on the government officials, notaries, and consumers who regulated, wrote, and purchased notarial documents in Rome between the 14th and 18th centuries. Historian Laurie Nussdorfer chronicles the training of professional notaries and the construction of public archives, explaining why notarial documents exist, who made them, and how they came to be regarded as authoritative evidence. In doing so, Nussdorfer describes a profession of crucial importance to the people and government of the time, as well as to scholars who turn to notarial documents as invaluable and irreplaceable historical sources. This magisterial new work brings fresh insight into the essential functions of early modern Roman society and the development of the modern state.
Author: J. Paul Getty Museum
Publisher:
ISBN:
Category : Drawing
Languages : en
Pages : 380
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Book Description
Author: Carlo Cercignani
Publisher: OUP Oxford
ISBN: 0191606987
Category : Science
Languages : en
Pages : 348
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Book Description
This book presents the life and personality, the scientific and philosophical work of Ludwig Boltzmann, one of the great scientists who marked the passage from 19th- to 20th-Century physics. His rich and tragic life, ending by suicide at the age of 62, is described in detail. A substantial part of the book is devoted to discussing his scientific and philosophical ideas and placing them in the context of the second half of the 19th century. The fact that Boltzmann was the man who did most to establish that there is a microscopic, atomic structure underlying macroscopic bodies is documented, as is Boltzmann's influence on modern physics, especially through the work of Planck on light quanta and of Einstein on Brownian motion. Boltzmann was the centre of a scientific upheaval, and he has been proved right on many crucial issues. He anticipated Kuhn's theory of scientific revolutions and proposed a theory of knowledge based on Darwin. His basic results, when properly understood, can also be stated as mathematical theorems. Some of these have been proved: others are still at the level of likely but unproven conjectures. The main text of this biography is written almost entirely without equations. Mathematical appendices deepen knowledge of some technical aspects of the subject.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 56
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Book Description
Author: sir Robert Stawell Ball
Publisher:
ISBN:
Category : Astronomy
Languages : en
Pages : 656
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Book Description
Author: Association of American Law Schools
Publisher:
ISBN:
Category : Common law
Languages : en
Pages : 890
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Book Description
Author: Daniëlle O. Kisluk-Grosheide,
Publisher: Metropolitan Museum of Art
ISBN: 0300104847
Category : Design
Languages : en
Pages : 300
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Book Description
This beautifully produced volume is the first to survey the Metropolitan Museum's world-renowned collection of European furniture. One hundred and three superb examples from the Museum's vast holdings are featured. They originated in workshops in England, France, Germany, Italy, the Netherlands, Austria, Russia, or Spain and date from the Renaissance to the late nineteenth century. A number of them belonged to such important historical figures as Pope Urban VIII, Louis XIV, Madame de Pompadour, and Napoleon. The selection includes chairs, tables, beds, cabinets, commodes, settees and sofas, bookcases and standing shelves, desks, fire screens, athéniennes, coffers, chests, mirrors and frames, showcases, and lighting equipment. There is also one purely decorative piece, a superb vase made for a Russian noble family who, according to one awestruck viewer, "owned all the malachite mines in the world." The makers of some of the objects are unknown, but most of the pieces can be identified by label, documentation, or style as the work of an outstanding European designer-craftsman, such as André-Charles Boulle, Thomas Chippendale, David Roentgen, or Karl Friedrich Schinkel.
