Their Arrows Will Darken the Sun PDF Download
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Author: Mark Denny
Publisher: JHU Press
ISBN: 0801899818
Category : Science
Languages : en
Pages : 246
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Book Description
The science of ballistics has a long history and starts with one question: How does a projectile move through the air? Even before physicists worked that one out, military engineers had been tinkering with ballistic devices for centuries. The trebuchet of the Middle Ages has given way to rocket power, and the science of ballistics has evolved to match the technology. Mark Denny’s survey covers this dynamic subject from prehistory to the weapons of tomorrow. Taking the bang-whiz-thud approach, Denny first talks about internal ballistics—Bang!—from before gunpowder to the development of modern firearms. External ballistics—Whiz!—are next, with discussions about short- and long-range trajectories. Denny’s lesson ends with a Thud!—an explanation of terminal ballistics. Throughout, Denny conveys applicable physics principles in a way that will appeal to technology buffs and ballistics enthusiasts alike. His fun and factual explanations are free of complicated equations; notes cover the key aspects of ballistics physics for the more technically inclined. Denny has perfected this engaging balance of science and story. For study or hobby, Their Arrows Will Darken the Sun is an entertaining guide to the world of ballistics.
Author: Mark Denny
Publisher: JHU Press
ISBN: 0801899818
Category : Science
Languages : en
Pages : 246
Get Book Here
Book Description
The science of ballistics has a long history and starts with one question: How does a projectile move through the air? Even before physicists worked that one out, military engineers had been tinkering with ballistic devices for centuries. The trebuchet of the Middle Ages has given way to rocket power, and the science of ballistics has evolved to match the technology. Mark Denny’s survey covers this dynamic subject from prehistory to the weapons of tomorrow. Taking the bang-whiz-thud approach, Denny first talks about internal ballistics—Bang!—from before gunpowder to the development of modern firearms. External ballistics—Whiz!—are next, with discussions about short- and long-range trajectories. Denny’s lesson ends with a Thud!—an explanation of terminal ballistics. Throughout, Denny conveys applicable physics principles in a way that will appeal to technology buffs and ballistics enthusiasts alike. His fun and factual explanations are free of complicated equations; notes cover the key aspects of ballistics physics for the more technically inclined. Denny has perfected this engaging balance of science and story. For study or hobby, Their Arrows Will Darken the Sun is an entertaining guide to the world of ballistics.
Author: Scott Hippensteel
Publisher: Rowman & Littlefield
ISBN: 0811769828
Category : History
Languages : en
Pages : 265
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Book Description
In the spirit of Robert Adair’s cult classic The Physics of Baseball, here is a book that tackles the long-cherished myths of Civil War history—and ultimately shatters them, based on physics and mathematics. At what range was a Civil War sniper lethal? Did bullets ever “rain like hail”? Could one ever step across a battlefield by stepping only on bodies and never hard ground? How effective were Civil War muskets and rifles? How accurate are photographs and paintings? In this genre-bending work of history, Scott Hippensteel puts the tropes of Civil War history under the microscope and says, “Wait a minute!” Combining science and history, Hippensteel reexamines much that we hold dear about the Civil War and convincingly argues that memoirs and histories have gotten it wrong. This is a work of history and science for our era of “fake news”—and for well beyond. Readers will never look at the Civil War the same way again.
Author: Henry Major
Publisher:
ISBN:
Category :
Languages : en
Pages : 784
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Book Description
Author: Richmal Mangnall
Publisher:
ISBN:
Category :
Languages : en
Pages : 600
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Book Description
Author: Richmal Mangnall
Publisher:
ISBN:
Category : History
Languages : en
Pages : 622
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Book Description
Author: Richmal MANGNALL
Publisher:
ISBN:
Category :
Languages : en
Pages : 574
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Book Description
Author: Richmal Mangnall
Publisher:
ISBN:
Category : History
Languages : en
Pages : 600
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Book Description
Author: John Burroughs
Publisher:
ISBN:
Category : Literature and science
Languages : en
Pages : 288
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Book Description
Author: David McElwrath
Publisher: Xlibris Corporation
ISBN: 1524543497
Category : Fiction
Languages : en
Pages : 370
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Book Description
This books storyline is that of reptilians from the Andromeda Galaxy. The first earth ship to meet the reptilians was not a human ship but an advanced ship of the ancient and advanced race of the Vlar. The Vlar were a very high technology ancient race who expected to have no fear of the Snakes. However, the race of reptilians that were rapidly conquering all civilizations with which they came into contact were now a threat to all races, whatever their level of technology. A century ago, the Vlar never expected to be worried about the Snakes, as all civilizations called them. Their conquests had become so rapid and so had their takeover of advanced civilizations and their technology that they were now a threat to every being in the galaxy. The Vlar gave the earth humans some of their high-tech ships as a kind of last effort since they held the earth humans in such low regard. The Vlar thought of the earth humans as warlike, backward, and vicious animals who killed their own kind. However, there were very few options left open to the Vlar, so they gave the earth humans a few of their ships. The Snakes had millions of high-tech ships that carried thousands of Snake soldiers at several times the speed of light. The Vlar gave the earth humans a few dozen Vlar ships. The Snakes were over seven feet tall and weighed over five hundred pounds. They were equipped with fangs and claws like the Tyrannosaurus rex of old earth history. They liked to fight with hands or blade weapons to see the blood flow. They were cannibals in addition to being carnivores. They considered it honorable to eat your defeated foe, and they were not above eating their own children. The Snakes used massed ships in the millions to just roll over all the people they intended to conquer. It was expected of any failed Snake expeditions to commit suicide. The Snakes occupied over 1,400 planets and were continuing to conquer more as time went by. Apparently, none could stand before the Snakes. Could the small blue planet called earth have a chance to survive?
Author: Louis Marie de Lahaye Vicomte de Cormenin
Publisher:
ISBN:
Category : Orators
Languages : en
Pages : 452
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Book Description
