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Author: Jerry Roberts
Publisher: The History Press
ISBN: 0750982047
Category : Biography & Autobiography
Languages : en
Pages : 300
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Book Description
The breaking of the Enigma machine is one of the most heroic stories of the Second World War and highlights the crucial work of the codebreakers of Bletchley Park, which prevented Britain's certain defeat in 1941. But there was another German cipher machine, used by Hitler himself to convey messages to his top generals in the field. A machine more complex and secure than Enigma. A machine that could never be broken. For sixty years, no one knew about Lorenz or 'Tunny', or the determined group of men who finally broke the code and thus changed the course of the war. Many of them went to their deaths without anyone knowing of their achievements. Here, for the first time, senior codebreaker Captain Jerry Roberts tells the complete story of this extraordinary feat of intellect and of his struggle to get his wartime colleagues the recognition they deserve. The work carried out at Bletchley Park during the war to partially automate the process of breaking Lorenz, which had previously been done entirely by hand, was groundbreaking and is recognised as having kick-started the modern computer age.
Author: Jerry Roberts
Publisher: The History Press
ISBN: 0750982047
Category : Biography & Autobiography
Languages : en
Pages : 300
Get Book Here
Book Description
The breaking of the Enigma machine is one of the most heroic stories of the Second World War and highlights the crucial work of the codebreakers of Bletchley Park, which prevented Britain's certain defeat in 1941. But there was another German cipher machine, used by Hitler himself to convey messages to his top generals in the field. A machine more complex and secure than Enigma. A machine that could never be broken. For sixty years, no one knew about Lorenz or 'Tunny', or the determined group of men who finally broke the code and thus changed the course of the war. Many of them went to their deaths without anyone knowing of their achievements. Here, for the first time, senior codebreaker Captain Jerry Roberts tells the complete story of this extraordinary feat of intellect and of his struggle to get his wartime colleagues the recognition they deserve. The work carried out at Bletchley Park during the war to partially automate the process of breaking Lorenz, which had previously been done entirely by hand, was groundbreaking and is recognised as having kick-started the modern computer age.
Author: Flavio Lorenzelli
Publisher: CRC Press
ISBN: 0203214587
Category : Science
Languages : en
Pages : 236
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Book Description
The study of chaotic systems has become a major scientific pursuit in recent years, shedding light on the apparently random behaviour observed in fields as diverse as climatology and mechanics. InThe Essence of Chaos Edward Lorenz, one of the founding fathers of Chaos and the originator of its seminal concept of the Butterfly Effect, presents his own landscape of our current understanding of the field. Lorenz presents everyday examples of chaotic behaviour, such as the toss of a coin, the pinball's path, the fall of a leaf, and explains in elementary mathematical strms how their essentially chaotic nature can be understood. His principal example involved the construction of a model of a board sliding down a ski slope. Through this model Lorenz illustrates chaotic phenomena and the related concepts of bifurcation and strange attractors. He also provides the context in which chaos can be related to the similarly emergent fields of nonlinearity, complexity and fractals. As an early pioneer of chaos, Lorenz also provides his own story of the human endeavour in developing this new field. He describes his initial encounters with chaos through his study of climate and introduces many of the personalities who contributed early breakthroughs. His seminal paper, "Does the Flap of a Butterfly's Wing in Brazil Set Off a Tornado in Texas?" is published for the first time.
Author: Marita Lorenz
Publisher: Simon and Schuster
ISBN: 1681775786
Category : Biography & Autobiography
Languages : en
Pages : 198
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Book Description
The dramatic, glamorous story of lover-turned-spy Marita Lorenz and her affair with Fidel Castro. Few people can say they’ve seen some of the most significant moments of the twentieth century unravel before their eyes. Marita Lorenz is one of them. Born in Germany at the outbreak of WWII, Marita was incarcerated in a Nazi concentration camp as a child. In 1959, she travelled to Cuba where she met and fell in love with Fidel Castro. Yet upon fleeing to America, she was recruited by the CIA to assassinate the Fidel. Torn by love and loyalty, she couldn’t bring herself to slip him the lethal pills. Her life would take many more twists and turns—including having a child with ex-dictator of Venezuela, Marcos Pérez Jiménez; testifying about the John F. Kennedy assassination; and becoming a party girl with close ties the New York mafia (and then a police informant). Caught up in Cold War intrigue, espionage, and conspiracy, this is Marita’s incredible autobiography of a young woman who became a spy for the CIA.
Author: Stephen R Lorenzt
Publisher: Military Bookshop
ISBN: 9781782661603
Category : Technology & Engineering
Languages : en
Pages : 204
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Book Description
Author: Kim Lorenz
Publisher: Made For Success Publishing
ISBN: 1641464313
Category : Business & Economics
Languages : en
Pages : 279
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Book Description
"Timeless tips on business success. A must-read for entrepreneurial-minded executives." —HOWARD BEHAR, President of Starbucks (retired) What is it that makes someone a success in business? What drives an individual to create success? Is it being hit by a “lucky stick” or is it something else? Lorenz started from nothing, a common theme, but founded two companies, ran them successfully and sold them to Fortune 500’s. Through thought-provoking, insightful and engaging stories with real world examples Lorenz provides intuitive practical advice on the fundamentals of life success: seek and seize the opportunities in front of you. Your eyes will be opened to new possibilities at every turn of the page. Your next decision could dictate the trajectory you take. How you spend your time, and the decisions you make all matter. You will enjoy learning how to see business and life differently, the opportunities that so many others fail to see. Luck is when preparation meets opportunity. Tireless is a testimony to those who strive to seek opportunity. It is a must-read for everyone that is determined to win.
Author: Christian Flake Lorenz
Publisher:
ISBN: 9781644280638
Category : Biography & Autobiography
Languages : en
Pages : 0
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Book Description
#1 German bestseller "I have no idea how late it actually is. We flew off somewhere this morning, and my cell phone automatically turns off the clock if we're getting close to a new time zone by plane. Mile by mile, the bus pushes through the inner city. Budapest seems to be quite big. We are in the middle of rush hour traffic. As it is Friday, everyone wants to get out of the city very quickly. But nothing works quickly here at all." Flake, the legendary keyboardist for the German band Rammstein, takes readers on a journey of what it is to be a touring musician. The excitement, the boredom, the moments that will be remembered and those that are forgotten.It's The World's Birthday Today is a strange and moody book about life on the road.
Author: Edward C. Lorenz
Publisher:
ISBN:
Category : Business & Economics
Languages : en
Pages : 352
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Book Description
A thought-provoking investigation of an urgent issue facing American communities today, Edward C. Lorenz's book examines the intersection of corporate irresponsibility and civic engagement. A critical analysis of public and private leadership, business and economic ethics, and civic life, this book concludes with a stirring blueprint for other communities facing similarly overwhelming opposition.
Author: Martin Lorenz
Publisher: American Mathematical Soc.
ISBN: 1470436809
Category : Mathematics
Languages : en
Pages : 674
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Book Description
Offers an introduction to four different flavours of representation theory: representations of algebras, groups, Lie algebras, and Hopf algebras. A separate part of the book is devoted to each of these areas and they are all treated in sufficient depth to enable the reader to pursue research in representation theory.
Author: Colin Sparrow
Publisher: Springer Science & Business Media
ISBN: 1461257670
Category : Science
Languages : en
Pages : 280
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Book Description
The equations which we are going to study in these notes were first presented in 1963 by E. N. Lorenz. They define a three-dimensional system of ordinary differential equations that depends on three real positive parameters. As we vary the parameters, we change the behaviour of the flow determined by the equations. For some parameter values, numerically computed solutions of the equations oscillate, apparently forever, in the pseudo-random way we now call "chaotic"; this is the main reason for the immense amount of interest generated by the equations in the eighteen years since Lorenz first presented them. In addition, there are some parameter values for which we see "preturbulence", a phenomenon in which trajectories oscillate chaotically for long periods of time before finally settling down to stable stationary or stable periodic behaviour, others in which we see "intermittent chaos", where trajectories alternate be tween chaotic and apparently stable periodic behaviours, and yet others in which we see "noisy periodicity", where trajectories appear chaotic though they stay very close to a non-stable periodic orbit. Though the Lorenz equations were not much studied in the years be tween 1963 and 1975, the number of man, woman, and computer hours spent on them in recent years - since they came to the general attention of mathematicians and other researchers - must be truly immense.
Author: Lorenz Graham
Publisher:
ISBN: 9781590781616
Category : African Americans
Languages : en
Pages : 0
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Book Description
Sixteen-year-old David Williams' dreams for him and his family are shattered when racial tensions erupt in their Southern town.
