Search Results for "einstein-s-mistake"

Einstein's Mistakes: The Human Failings of Genius

Einstein's Mistakes: The Human Failings of Genius

  • Author: Hans C. Ohanian
  • Publisher: W. W. Norton & Company
  • ISBN: 9780393070422
  • Category: Science
  • Page: 416
  • View: 5186
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“A thought-provoking critique of Einstein’s tantalizing combination of brilliance and blunder.”—Andrew Robinson, New Scientist Although Einstein was the greatest genius of the twentieth century, many of his groundbreaking discoveries were blighted by mistakes, ranging from serious errors in mathematics to bad misconceptions in physics and failures to grasp the subtleties of his own creations. This forensic biography dissects Einstein’s scientific mistakes and places them in the context of his turbulent life and times. In lively, accessible prose, Hans C. Ohanian paints a fresh, insightful portrait of the real Einstein at work, in contrast to the uncritical celebrity worship found in many biographies. Of the approximately 180 original scientific papers that Einstein published in his lifetime, about 40 are infested with mistakes. For instance, Einstein’s first mathematical proof of the famous formula E = mc2 was incomplete and only approximately valid; he struggled with this problem for many years, but he never found a complete proof (better mathematicians did). Einstein was often lured by irrational and mystical inspirations, but his extraordinary intuition about physics permitted him to discover profound truths despite—and sometimes because of—the mistakes he made along the way. He was a sleepwalker: his intuition told him where he needed to go, and he somehow managed to get there without quite knowing how. As this book persuasively argues, the defining hallmark of Einstein’s genius was not any special mathematical ability but an uncanny talent to use his mistakes as stepping stones to formulate his revolutionary theories.

Einstein's Greatest Mistake

Einstein's Greatest Mistake

A Biography

  • Author: David Bodanis
  • Publisher: HMH
  • ISBN: 0544808584
  • Category: Biography & Autobiography
  • Page: 288
  • View: 5764
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“What Bodanis does brilliantly is to give us a feel for Einstein as a person. I don’t think I’ve ever read a book that does this as well” (Popular Science). In this “fascinating” biography, the acclaimed author of E=mc2 reveals that in spite of his indisputable brilliance, Albert Einstein found himself ignored by most working scientists during the final decades of his life, his ideas opposed by even his closest friends (Forbes). How did this happen? Einstein revolutionized our understanding of the cosmos with his general theory of relativity, and helped lead us into the atomic age. This book goes beyond his remarkable intellect and accomplishments to examine the man himself, from the skeptical, erratic student to the world’s greatest physicist to the fallen-from-grace celebrity. An intimate biography that “imparts fresh insight into the genius—and failures—of the 20th century’s most celebrated scientist,” Einstein’s Greatest Mistake reveals what we owe Einstein today—and how much more he might have achieved if not for his all-too-human flaws (Publishers Weekly). Named a Science Book of the Year by the Sunday Times and one of the Top Five Science Books of 2016 by ABC News Australia, this unique book “offers a window onto Einstein’s achievements and missteps, as well as his life—his friendships, his complicated love life (two marriages, many affairs) and his isolation from other scientists at the end of his life” (BookPage).

Brilliant Blunders

Brilliant Blunders

From Darwin to Einstein - Colossal Mistakes by Great Scientists That Changed Our Understanding of Life and the Universe

  • Author: Mario Livio
  • Publisher: Simon and Schuster
  • ISBN: 1439192375
  • Category: Biography & Autobiography
  • Page: 352
  • View: 3934
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We all make mistakes. Nobody is perfect. And that includes five of the greatest scientists in history -- Charles Darwin, William Thomson (Lord Kelvin), Linus Pauling, Fred Hoyle, Albert Einstein. But the mistakes that these great scientists made helped science to advance. Indeed, as Mario Livio explains in this fascinating book, science thrives on error; it advances when erroneous ideas are disproven. All five scientists were great geniuses and fascinating human beings. Their blunders were part of their genius and part of the scientific process. Livio brilliantly analyses their errors to show where they were wrong and right, but what makes his book so enjoyable to read is Livio's analysis of the psychology of these towering figures. Along the way the reader learns an enormous amount about the evolution of life on earth and in the universe, but from an unusual vantage point -- the mistakes of great scientists rather than the achievements that made them famous.

Einstein's Mistakes: The Human Failings of Genius

Einstein's Mistakes: The Human Failings of Genius

  • Author: Hans C. Ohanian
  • Publisher: W. W. Norton & Company
  • ISBN: 9780393070422
  • Category: Science
  • Page: 416
  • View: 2612
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“A thought-provoking critique of Einstein’s tantalizing combination of brilliance and blunder.”—Andrew Robinson, New Scientist Although Einstein was the greatest genius of the twentieth century, many of his groundbreaking discoveries were blighted by mistakes, ranging from serious errors in mathematics to bad misconceptions in physics and failures to grasp the subtleties of his own creations. This forensic biography dissects Einstein’s scientific mistakes and places them in the context of his turbulent life and times. In lively, accessible prose, Hans C. Ohanian paints a fresh, insightful portrait of the real Einstein at work, in contrast to the uncritical celebrity worship found in many biographies. Of the approximately 180 original scientific papers that Einstein published in his lifetime, about 40 are infested with mistakes. For instance, Einstein’s first mathematical proof of the famous formula E = mc2 was incomplete and only approximately valid; he struggled with this problem for many years, but he never found a complete proof (better mathematicians did). Einstein was often lured by irrational and mystical inspirations, but his extraordinary intuition about physics permitted him to discover profound truths despite—and sometimes because of—the mistakes he made along the way. He was a sleepwalker: his intuition told him where he needed to go, and he somehow managed to get there without quite knowing how. As this book persuasively argues, the defining hallmark of Einstein’s genius was not any special mathematical ability but an uncanny talent to use his mistakes as stepping stones to formulate his revolutionary theories.

Einstein

Einstein

His Life and Universe

  • Author: Walter Isaacson
  • Publisher: Simon and Schuster
  • ISBN: 1847395899
  • Category: Biography & Autobiography
  • Page: 704
  • View: 1379
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NOW A MAJOR SERIES 'GENIUS' ON NATIONAL GEOGRAPHIC, PRODUCED BY RON HOWARD AND STARRING GEOFFREY RUSH Einstein is the great icon of our age: the kindly refugee from oppression whose wild halo of hair, twinkling eyes, engaging humanity and extraordinary brilliance made his face a symbol and his name a synonym for genius. He was a rebel and nonconformist from boyhood days. His character, creativity and imagination were related, and they drove both his life and his science. In this marvellously clear and accessible narrative, Walter Isaacson explains how his mind worked and the mysteries of the universe that he discovered. Einstein's success came from questioning conventional wisdom and marvelling at mysteries that struck others as mundane. This led him to embrace a worldview based on respect for free spirits and free individuals. All of which helped make Einstein into a rebel but with a reverence for the harmony of nature, one with just the right blend of imagination and wisdom to transform our understanding of the universe. This new biography, the first since all of Einstein's papers have become available, is the fullest picture yet of one of the key figures of the twentieth century. This is the first full biography of Albert Einstein since all of his papers have become available -- a fully realised portrait of this extraordinary human being, and great genius. Praise for EINSTEIN by Walter Isaacson:- 'YOU REALLY MUST READ THIS.' Sunday Times 'As pithy as Einstein himself.’ New Scientist ‘[A] brilliant biography, rich with newly available archival material.’ Literary Review ‘Beautifully written, it renders the physics understandable.’ Sunday Telegraph ‘Isaacson is excellent at explaining the science. ' Daily Express

Blowing America's Mind

Blowing America's Mind

A True Story of Princeton, CIA Mind Control, LSD and Zen

  • Author: John Selby,Paul Davids
  • Publisher: N.A
  • ISBN: 9780997055993
  • Category: Drug abuse
  • Page: 246
  • View: 1860
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Two well-known Princeton alumni reveal the true story of how they got caught up in and nearly done in by the CIA's LSD-laced deep hypnosis research while they were Princeton students. The story is reminiscent in some respects of A Beautiful Mind in regard to the Princeton setting and the focus on psychological crises where reality intersects hallucination; however, in Blowing America's Mind, the CIA's MK-ULTRA mind-manipulation combines deep hypnosis and psychedelics to deliberately induce a range of mental states, from blissful nirvana to frightening psychosis. Princeton and the now-defunct New Jersey Neuro-Psychiatric Institute (NJNPI) were just two of 86 American institutions (including universities and hospitals) engaged in almost 150 top secret mind-control research projects funded by the CIA. The authors worked at NJNPI in deep hypnosis research while attending the waning days of Princeton as an all-male university before Princeton went coed. Blowing America's Mind is also an intense love story reawakening the rebellious wild spirit of those early days of the Psychedelic Revolution. Jonathan and Jeffrey (the authors) naively volunteer to be subjects in what on the surface seems to be a beneficial psychological study and soon discover the side effects. The accounts from these two very contrasting personalities (Selby is from a cattle ranch, Davids the son of a history professor) spin tightly around each other. Interspersed with news revelations about MK-ULTRA from the late 1970's and beyond, and photos of the Institute and of the authors at Princeton and later. As the epilogue reveals, both of the book's main characters survived the ordeal. John Selby became a noted author of psychology, self-help and philosophy books, and Paul Jeffrey Davids became an accomplished film director (among whose many films is "Timothy Leary's Dead", an authorized biography of the Harvard psychology professor and LSD 'guru' filmed the last year of Leary's life.) Those who have read and value books such as A Beautiful Mind, One Flew Over the Cuckoo's Nest, Lisa and David, The Electric Kool-Aid Acid Test, The Magus and I Never Promised You a Rose Garden will find these authors to be kindred spirit.

Essays in Humanism

Essays in Humanism

  • Author: Albert Einstein
  • Publisher: Open Road Media
  • ISBN: 1453204598
  • Category: Philosophy
  • Page: 184
  • View: 2823
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An inspiring collection of the great thinker’s views on a rapidly changing world Nuclear proliferation, Zionism, and the global economy are just a few of the insightful and surprisingly prescient topics scientist Albert Einstein discusses in this volume of collected essays from between 1931 and 1950. Written with a clear voice and a thoughtful perspective on the effects of science, economics, and politics in daily life, Einstein’s essays provide an intriguing view inside the mind of a genius addressing the philosophical challenges presented during the turbulence of the Great Depression, the Second World War, and the dawn of the Cold War. This authorized ebook features rare photos and never-before-seen documents from the Albert Einstein Archives at the Hebrew University of Jerusalem.

Einstein Notebook

Einstein Notebook

  • Author: Albert Einstein
  • Publisher: Courier Corporation
  • ISBN: 0486261972
  • Category:
  • Page: 64
  • View: 6979
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Einstein's image has become a virtual icon of modern science. An arresting photographic portrait of the physicist is featured on the cover of this pocket-sized notebook with 64 pages of ruled colored paper.

Einstein Never Used Flash Cards

Einstein Never Used Flash Cards

How Our Children Really Learn--and Why They Need to Play More and Memorize Less

  • Author: Kathy Hirsh-Pasek,Roberta Michnick Golinkoff,Diane Eyer
  • Publisher: Rodale Books
  • ISBN: 1623360803
  • Category: Family & Relationships
  • Page: 320
  • View: 4567
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Now Available in Paperback! In Einstein Never Used Flashcards highly credentialed child psychologists, Kathy Hirsh-Pasek, Ph.D., and Roberta Michnick Golinkoff, Ph.D., with Diane Eyer, Ph.D., offer a compelling indictment of the growing trend toward accelerated learning. It's a message that stressed-out parents are craving to hear: Letting tots learn through play is not only okay-it's better than drilling academics! Drawing on overwhelming scientific evidence from their own studies and the collective research results of child development experts, and addressing the key areas of development-math, reading, verbal communication, science, self-awareness, and social skills-the authors explain the process of learning from a child's point of view. They then offer parents 40 age-appropriate games for creative play. These simple, fun--yet powerful exercises work as well or better than expensive high-tech gadgets to teach a child what his ever-active, playful mind is craving to learn.

Quantum

Quantum

Einstein, Bohr and the Great Debate About the Nature of Reality

  • Author: Manjit Kumar
  • Publisher: Icon Books Ltd
  • ISBN: 1848311036
  • Category: Science
  • Page: 455
  • View: 4297
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'This is about gob-smacking science at the far end of reason ... Take it nice and easy and savour the experience of your mind being blown without recourse to hallucinogens' Nicholas Lezard, Guardian For most people, quantum theory is a byword for mysterious, impenetrable science. And yet for many years it was equally baffling for scientists themselves. In this magisterial book, Manjit Kumar gives a dramatic and superbly-written history of this fundamental scientific revolution, and the divisive debate at its core. Quantum theory looks at the very building blocks of our world, the particles and processes without which it could not exist. Yet for 60 years most physicists believed that quantum theory denied the very existence of reality itself. In this tour de force of science history, Manjit Kumar shows how the golden age of physics ignited the greatest intellectual debate of the twentieth century. Quantum theory is weird. In 1905, Albert Einstein suggested that light was a particle, not a wave, defying a century of experiments. Werner Heisenberg's uncertainty principle and Erwin Schrodinger's famous dead-and-alive cat are similarly strange. As Niels Bohr said, if you weren't shocked by quantum theory, you didn't really understand it. While "Quantum" sets the science in the context of the great upheavals of the modern age, Kumar's centrepiece is the conflict between Einstein and Bohr over the nature of reality and the soul of science. 'Bohr brainwashed a whole generation of physicists into believing that the problem had been solved', lamented the Nobel Prize-winning physicist Murray Gell-Mann. But in "Quantum", Kumar brings Einstein back to the centre of the quantum debate. "Quantum" is the essential read for anyone fascinated by this complex and thrilling story and by the band of brilliant men at its heart.

Death to Einstein!

Death to Einstein!

Exposing Special Relativity's Fatal Flaws

  • Author: Scott Reeves
  • Publisher: Aether Wind
  • ISBN: N.A
  • Category: Science
  • Page: 69
  • View: 8538
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In this short but devastating book, several glaring inconsistencies in Einstein's celebrated theory are revealed and explored, inconsistencies that doom relativity to an ignoble death. When the dust settles from relativity's implosion, the author points to where an alternative theory might be found, and in doing so, boldly goes where no sane physicist will dare to follow. Books by crackpots attempting to debunk relativity are indeed plentiful, so how is this one any different? It has illustrations! Well, that and irrefutable evidence that the true crackpots are the ones who adhere to Einstein's demonstrably untenable theory.

Elastic

Elastic

Flexible Thinking in a Time of Change

  • Author: Leonard Mlodinow
  • Publisher: Pantheon
  • ISBN: 1101870923
  • Category: BUSINESS & ECONOMICS
  • Page: 272
  • View: 5827
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With rapid technological innovation leading the charge, today's world is transforming itself at an extraordinary and unprecedented pace. Jobs become multifaceted, information streams multiply, and myriad devices place increasing demands on our attention. Mlodinow shows that the human brain is uniquely engineered to adapt, and takes us on an illuminating journey through the mechanics of our own minds as we navigate the rapidly shifting landscapes around us. -- adapted from publisher info

Albert Einstein Speaking

Albert Einstein Speaking

  • Author: R.J. Gadney
  • Publisher: Canongate Books
  • ISBN: 1786890488
  • Category: Fiction
  • Page: 272
  • View: 8585
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Princeton. New Jersey. 14th March 1954 'Albert Einstein speaking.' 'Who?' asks the girl on the telephone. 'I'm sorry,' she says. 'I have the wrong number.' 'You have the right number,' Albert says. From a wrong number to a friendship that would impact both their lives, Albert Einstein Speaking begins with two unlikely friends - the world's most respected scientist and a schoolgirl from New Jersey. From their first conversation Mimi Beaufort had a profound effect on Einstein and brought him, in his final years, back to life. In turn he let her into his world. Albert Einstein Speaking is the story of an incredible friendship, and of a remarkable life. The son of an electrician in nineteenth-century Germany, Albert Einstein went on to become one of the twentieth century's most influential scientists and the most famous face in the world. This riotous, charming and moving novel spans almost a century of European history and shines a light on the real man behind the myth.

The Perfect Theory

The Perfect Theory

A Century of Geniuses and the Battle over General Relativity

  • Author: Pedro G. Ferreira
  • Publisher: HMH
  • ISBN: 0547554907
  • Category: Science
  • Page: 288
  • View: 931
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“One of the best popular accounts of how Einstein and his followers have been trying to explain the universe for decades” (Kirkus Reviews, starred review). Physicists have been exploring, debating, and questioning the general theory of relativity ever since Albert Einstein first presented it in 1915. This has driven their work to unveil the universe’s surprising secrets even further, and many believe more wonders remain hidden within the theory’s tangle of equations, waiting to be exposed. In this sweeping narrative of science and culture, an astrophysicist brings general relativity to life through the story of the brilliant physicists, mathematicians, and astronomers who have taken up its challenge. For these scientists, the theory has been both a treasure trove and an enigma. Einstein’s theory, which explains the relationships among gravity, space, and time, is possibly the most perfect intellectual achievement of modern physics—yet studying it has always been a controversial endeavor. Relativists were the target of persecution in Hitler’s Germany, hounded in Stalin’s Russia, and disdained in 1950s America. Even today, PhD students are warned that specializing in general relativity will make them unemployable. Still, general relativity has flourished, delivering key insights into our understanding of the origin of time and the evolution of all the stars and galaxies in the cosmos. Its adherents have revealed what lies at the farthest reaches of the universe, shed light on the smallest scales of existence, and explained how the fabric of reality emerges. Dark matter, dark energy, black holes, and string theory are all progeny of Einstein’s theory. In the midst of a momentous transformation in modern physics, as scientists look farther and more clearly into space than ever before, The Perfect Theory exposes the greater relevance of general relativity, showing us where it started, where it has led—and where it can still take us.

Trespassing on Einstein's Lawn

Trespassing on Einstein's Lawn

A Father, a Daughter, the Meaning of Nothing, and the Beginning of Everything

  • Author: Amanda Gefter
  • Publisher: Bantam
  • ISBN: 034553963X
  • Category: Science
  • Page: 432
  • View: 7403
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NAMED ONE OF THE BEST BOOKS OF THE YEAR BY KIRKUS REVIEWS In a memoir of family bonding and cutting-edge physics for readers of Brian Greene’s The Hidden Reality and Jim Holt’s Why Does the World Exist?, Amanda Gefter tells the story of how she conned her way into a career as a science journalist—and wound up hanging out, talking shop, and butting heads with the world’s most brilliant minds. At a Chinese restaurant outside of Philadelphia, a father asks his fifteen-year-old daughter a deceptively simple question: “How would you define nothing?” With that, the girl who once tried to fail geometry as a conscientious objector starts reading up on general relativity and quantum mechanics, as she and her dad embark on a life-altering quest for the answers to the universe’s greatest mysteries. Before Amanda Gefter became an accomplished science writer, she was a twenty-one-year-old magazine assistant willing to sneak her and her father, Warren, into a conference devoted to their physics hero, John Wheeler. Posing as journalists, Amanda and Warren met Wheeler, who offered them cryptic clues to the nature of reality: The universe is a self-excited circuit, he said. And, The boundary of a boundary is zero. Baffled, Amanda and Warren vowed to decode the phrases—and with them, the enigmas of existence. When we solve all that, they agreed, we’ll write a book. Trespassing on Einstein’s Lawn is that book, a memoir of the impassioned hunt that takes Amanda and her father from New York to London to Los Alamos. Along the way, they bump up against quirky science and even quirkier personalities, including Leonard Susskind, the former Bronx plumber who invented string theory; Ed Witten, the soft-spoken genius who coined the enigmatic M-theory; even Stephen Hawking. What they discover is extraordinary: the beginnings of a monumental paradigm shift in cosmology, from a single universe we all share to a splintered reality in which each observer has her own. Reality, the Gefters learn, is radically observer-dependent, far beyond anything of which Einstein or the founders of quantum mechanics ever dreamed—with shattering consequences for our understanding of the universe’s origin. And somehow it all ties back to that conversation, to that Chinese restaurant, and to the true meaning of nothing. Throughout their journey, Amanda struggles to make sense of her own life—as her journalism career transforms from illusion to reality, as she searches for her voice as a writer, as she steps from a universe shared with her father to at last carve out one of her own. It’s a paradigm shift you might call growing up. By turns hilarious, moving, irreverent, and profound, Trespassing on Einstein’s Lawn weaves together story and science in remarkable ways. By the end, you will never look at the universe the same way again. Praise for Trespassing on Einstein’s Lawn “Nothing quite prepared me for this book. Wow. Reading it, I alternated between depression—how could the rest of us science writers ever match this?—and exhilaration.”—Scientific American “To Do: Read Trespassing on Einstein’s Lawn. Reality doesn’t have to bite.”—New York “A zany superposition of genres . . . It’s at once a coming-of-age chronicle and a father-daughter road trip to the far reaches of this universe and 10,500 others.”—The Philadelphia Inquirer From the Hardcover edition.

Einstein Was Right!

Einstein Was Right!

  • Author: Karl Hess
  • Publisher: CRC Press
  • ISBN: 9814463701
  • Category: Mathematics
  • Page: 220
  • View: 3826
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All modern books on Einstein emphasize the genius of his relativity theory and the corresponding corrections and extensions of the ancient space–time concept. However, Einstein’s opposition to the use of probability in the laws of nature and particularly in the laws of quantum mechanics is criticized and often portrayed as outdated. The author of Einstein Was Right! takes a unique view and shows that Einstein created a "Trojan horse" ready to unleash forces against the use of probability as a basis for the laws of nature. Einstein warned that the use of probability would, in the final analysis, lead to spooky actions and mysterious instantaneous influences at a distance. John Bell pulled Einstein’s Trojan horse into the castle of physics. He developed a theory that together with experimental results of Aspect, Zeilinger, and others "proves" the existence of quantum nonlocalities, or instantaneous influences. These have indeed the nature of what Einstein labeled spooky. Einstein Was Right! shows that Bell was not aware of the special role that time and space–time play in any rigorous probability theory. As a consequence, his formalism is not general enough to be applied to the Aspect–Zeilinger type of experiments and his conclusions about the existence of instantaneous influences at a distance are incorrect. This fact suggests a worldview that is less optimistic about claims that teleportation and influences at a distance could open new horizons and provide the possibility of quantum computing. On the positive side, however, and as compensation, we are assured that the space–time picture of humankind developed over millions of years and perfected by Einstein is still able to cope with the phenomena that nature presents us on the atomic and sub-atomic level and that the "quantum weirdness" may be explainable and understandable after all.

E=mc2

E=mc2

A Biography of the World's Most Famous Equation

  • Author: David Bodanis
  • Publisher: N.A
  • ISBN: N.A
  • Category: Relativity (Physics)
  • Page: 337
  • View: 3266
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E=mc2 was born in 1905, the brainchild of Albert Einstein. In this lucid and brilliant book, one of the best popularizers of science illuminates one of science's most complex concepts. Ranging widely from Exit signs in theatres to the future fate of the earth, from smoke detectors to black holes and the structure of the atom, David Bodanis delivers a scintillating and colourful account of the real meaning of E=mc2.

How to Think Like Einstein

How to Think Like Einstein

Simple Ways to Break the Rules and Discover Your Hidden Genius

  • Author: Scott Thorpe
  • Publisher: Sourcebooks, Inc.
  • ISBN: 1492626295
  • Category: Self-Help
  • Page: 272
  • View: 754
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You can be a genius too! Learn the skills and hacks from the greatest minds in history! From creative business and to improving relationships, How to Think Like Einstein provides the tools for the everyday challenges at the home and in the office. Innovator and author Scott Thorpe guides you step-by-step through the process of freeing yourself from your "rule ruts" so you can dream up amazing (and doable) solutions to the seemingly impossible. With brand-new material for today's readers, this new edition will reveal how you can solve problems in astonishing ways, including: • thinking like a bug • organizing a party • learning the game of poker • pretending you're James Bond • acting like a millionaire • and more!

Einstein's Third Mistake

Einstein's Third Mistake

  • Author: Alex M Murphy
  • Publisher: Lulu.com
  • ISBN: 1470914255
  • Category: Science
  • Page: 130
  • View: 5344
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Simply Einstein: Relativity Demystified

Simply Einstein: Relativity Demystified

  • Author: Richard Wolfson
  • Publisher: W. W. Norton & Company
  • ISBN: 0393242188
  • Category: Science
  • Page: 288
  • View: 387
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With this reader-friendly book, it doesn't take an Einstein to understand the theory of relativity and its remarkable consequences. In clear, understandable terms, physicist Richard Wolfson explores the ideas at the heart of relativity and shows how they lead to such seeming absurdities as time travel, curved space, black holes, and new meaning for the idea of past and future. Drawing from years of teaching modern physics to nonscientists, Wolfson explains in a lively, conversational style the simple principles underlying Einstein's theory. Relativity, Wolfson shows, gave us a new view of space and time, opening the door to questions about their flexible nature: Is the universe finite or infinite? Will it expand forever or eventually collapse in a "big crunch"? Is time travel possible? What goes on inside a black hole? How does gravity really work? These questions at the forefront of twenty-first-century physics are all rooted in the profound and sweeping vision of Albert Einstein's early twentieth-century theory. Wolfson leads his readers on an intellectual journey that culminates in a universe made almost unimaginably rich by the principles that Einstein first discovered.