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The leading mind behind the mathematics of string theory discusses how geometry explains the universe we see. Illustrations.
Originally published: Boston: Houghton Mifflin, 1987.
Delve into the fascinating world of String Theory with this comprehensive guide that covers everything from the basics of Quantum Mechanics to the challenges and future directions in the field. Explore the connections between String Theory and Quantum Gravity, delve into the mysteries of the Multiverse, and uncover the intricate relationships between String Theory and Mathematics. Packed with insights and explanations, this book is a must-have for anyone interested in the cutting-edge theories that are shaping our understanding of the universe.
BOOKER PRIZE WINNER • NATIONAL BESTSELLER • A novel that follows a middle-aged man as he contends with a past he never much thought about—until his closest childhood friends return with a vengeance: one of them from the grave, another maddeningly present. A novel so compelling that it begs to be read in a single setting, The Sense of an Ending has the psychological and emotional depth and sophistication of Henry James at his best, and is a stunning achievement in Julian Barnes's oeuvre. Tony Webster thought he left his past behind as he built a life for himself, and his career has provided him with a secure retirement and an amicable relationship with his ex-wife and daughter, who now has a family of her own. But when he is presented with a mysterious legacy, he is forced to revise his estimation of his own nature and place in the world.
Anna had everything figured out – she was about to start senior year with her best friend, she had a great weekend job and her huge work crush looked as if it might finally be going somewhere... Until her dad decides to send her 4383 miles away to Paris. On her own. But despite not speaking a word of French, Anna finds herself making new friends, including Étienne St. Clair, the smart, beautiful boy from the floor above. But he's taken – and Anna might be too. Will a year of romantic near-misses end with the French kiss she's been waiting for?
This manual has been designed and written with the purpose of introducing key concepts and areas of debate around the "creative economy", a valuable development opportunity that Latin America, the Caribbean and the world at large cannot afford to miss. The creative economy, which we call the "Orange Economy" in this book (you'll see why), encompasses the immense wealth of talent, intellectual property, interconnectedness, and, of course, cultural heritage of the Latin American and Caribbean region (and indeed, every region). At the end of this manual, you will have the knowledge base necessary to understand and explain what the Orange Economy is and why it is so important. You will also acquire the analytical tools needed to take better advantage of opportunities across the arts, heritage, media, and creative services.
The Fabric of the Cosmos: Space, Time, and the Texture of Reality offers an insightful journey into the depths of cosmology, providing an in-depth exploration of the fundamental concepts and theories that shape our understanding of the universe. This captivating book takes readers on a captivating odyssey, unraveling the mysteries of space, time, and the intricate texture of reality. From the very beginning, the book sets the stage with an Introduction to Cosmology, presenting an overview of the Big Bang Theory and the theoretical frameworks that underpin cosmological studies. Understanding the origins of the universe becomes a fascinating endeavor as the book delves into the early universe, discussing concepts such as inflation theory and the formation of cosmic structures. Observational methods in cosmology take center stage in Chapter 2, where readers are introduced to telescopes and observatories, along with the significance of cosmic microwave background radiation. As the exploration continues, the book covers topics such as redshift and Hubble's Law, as well as the intriguing measurements and implications of dark matter and dark energy. The Cosmic Microwave Background is thoroughly examined in Chapter 4, highlighting its discovery and importance. Exploring cosmic microwave background anisotropy and the cosmological implications of polarization brings readers closer to comprehending the intricate fabric of the universe. Another captivating topic covered in the book is the formation of structures in the universe. Chapter 5 unveils the large-scale structure of the universe, shedding light on galaxy clusters, superclusters, and the fascinating birth of galaxies. Expanding the scope of inquiry, Chapter 6 delves into the evolution of stars and galaxies, offering an enthralling examination of stellar evolution, galactic morphology and evolution, as well as the captivating world of active galactic nuclei. Dark matter and dark energy, the enigmatic components that shape our universe, take the spotlight in Chapter 7. Readers are immersed in a comprehensive exploration of the nature, properties, and implications of dark matter and dark energy, unraveling their roles in the expansion of the universe and the development of cosmological models. The book takes a mind-bending turn in Chapter 8, where the concept of parallel universes and multiple dimensions is explored. Through the lens of multiverse theories, readers are invited to contemplate the mind-boggling possibilities presented by string theory, the Many Worlds Interpretation, and the Anthropic Principle. Chapter 9 delves into cosmological models and theories, presenting the standard cosmological model (ΛCDM), alternative models, and modifications, as well as the intriguing realm of quantum cosmology. Finally, the book concludes with Chapter 10, providing thought-provoking insights into the fate of the universe. Will it experience a Big Freeze, a Big Crunch, or a Big Rip? Multiverse scenarios and the ultimate destiny of the universe offer captivating perspectives that will leave readers pondering the awe-inspiring nature of existence. The Fabric of the Cosmos: Space, Time, and the Texture of Reality is a must-read for anyone seeking a comprehensive understanding of the cosmos. With its engaging narrative and in-depth exploration of cosmological concepts, this book is an invaluable resource for both novice and seasoned enthusiasts. Embark on an enlightening journey through the depths of the cosmos, and unlock the secrets of the universe's fabric.
This urgent and eye-opening book makes the case that protecting humanity's future is the central challenge of our time. If all goes well, human history is just beginning. Our species could survive for billions of years - enough time to end disease, poverty, and injustice, and to flourish in ways unimaginable today. But this vast future is at risk. With the advent of nuclear weapons, humanity entered a new age, where we face existential catastrophes - those from which we could never come back. Since then, these dangers have only multiplied, from climate change to engineered pathogens and artificial intelligence. If we do not act fast to reach a place of safety, it will soon be too late. Drawing on over a decade of research, The Precipice explores the cutting-edge science behind the risks we face. It puts them in the context of the greater story of humanity: showing how ending these risks is among the most pressing moral issues of our time. And it points the way forward, to the actions and strategies that can safeguard humanity. An Oxford philosopher committed to putting ideas into action, Toby Ord has advised the US National Intelligence Council, the UK Prime Minister's Office, and the World Bank on the biggest questions facing humanity. In The Precipice, he offers a startling reassessment of human history, the future we are failing to protect, and the steps we must take to ensure that our generation is not the last. "A book that seems made for the present moment." —New Yorker
Is peace an aberration? The New York Times bestselling author of Paris 1919 offers a provocative view of war as an essential component of humanity. NAMED ONE OF THE TEN BEST BOOKS OF THE YEAR BY THE NEW YORK TIMES BOOK REVIEW “Margaret MacMillan has produced another seminal work. . . . She is right that we must, more than ever, think about war. And she has shown us how in this brilliant, elegantly written book.”—H.R. McMaster, author of Dereliction of Duty and Battlegrounds: The Fight to Defend the Free World The instinct to fight may be innate in human nature, but war—organized violence—comes with organized society. War has shaped humanity’s history, its social and political institutions, its values and ideas. Our very language, our public spaces, our private memories, and some of our greatest cultural treasures reflect the glory and the misery of war. War is an uncomfortable and challenging subject not least because it brings out both the vilest and the noblest aspects of humanity. Margaret MacMillan looks at the ways in which war has influenced human society and how, in turn, changes in political organization, technology, or ideologies have affected how and why we fight. War: How Conflict Shaped Us explores such much-debated and controversial questions as: When did war first start? Does human nature doom us to fight one another? Why has war been described as the most organized of all human activities? Why are warriors almost always men? Is war ever within our control? Drawing on lessons from wars throughout the past, from classical history to the present day, MacMillan reveals the many faces of war—the way it has determined our past, our future, our views of the world, and our very conception of ourselves.
In the pantheon of air power spokesmen, Giulio Douhet holds center stage. His writings, more often cited than perhaps actually read, appear as excerpts and aphorisms in the writings of numerous other air power spokesmen, advocates-and critics. Though a highly controversial figure, the very controversy that surrounds him offers to us a testimonial of the value and depth of his work, and the need for airmen today to become familiar with his thought. The progressive development of air power to the point where, today, it is more correct to refer to aerospace power has not outdated the notions of Douhet in the slightest In fact, in many ways, the kinds of technological capabilities that we enjoy as a global air power provider attest to the breadth of his vision. Douhet, together with Hugh “Boom” Trenchard of Great Britain and William “Billy” Mitchell of the United States, is justly recognized as one of the three great spokesmen of the early air power era. This reprint is offered in the spirit of continuing the dialogue that Douhet himself so perceptively began with the first edition of this book, published in 1921. Readers may well find much that they disagree with in this book, but also much that is of enduring value. The vital necessity of Douhet’s central vision-that command of the air is all important in modern warfare-has been proven throughout the history of wars in this century, from the fighting over the Somme to the air war over Kuwait and Iraq.