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Time Travel in Einstein's Universe by J. Richard Gott Pdf
A Princeton astrophysicist explores whether journeying to the past or future is scientifically possible in this “intriguing” volume (Neil deGrasse Tyson). It was H. G. Wells who coined the term “time machine”—but the concept of time travel, both forward and backward, has always provoked fascination and yearning. It has mostly been dismissed as an impossibility in the world of physics; yet theories posited by Einstein, and advanced by scientists including Stephen Hawking and Kip Thorne, suggest that the phenomenon could actually occur. Building on these ideas, J. Richard Gott, a professor who has written on the subject for Scientific American, Time, and other publications, describes how travel to the future is not only possible but has already happened—and contemplates whether travel to the past is also conceivable. This look at the surprising facts behind the science fiction of time travel “deserves the attention of anyone wanting wider intellectual horizons” (Booklist). “Impressively clear language. Practical tips for chrononauts on their options for travel and the contingencies to prepare for make everything sound bizarrely plausible. Gott clearly enjoys his subject and his excitement and humor are contagious; this book is a delight to read.” —Publishers Weekly
This is an expansion of the author's 1991 work which investigates the implications of Gödel's writings on Einstein's theory of relativity as they relate to the fundamental questions of the nature of time and the possibilities for time travel.
Author : P. C. W. Davies,Paul Davies Publisher : Simon and Schuster Page : 322 pages File Size : 48,8 Mb Release : 1996-04-09 Category : Religion ISBN : 9780684818221
Examines the ramifications of Einstein's relativity theory, exploring the mysteries of time and considering black holes, time travel, the existence of God, and the nature of the universe.
"Outstanding Academic Title for 2014" by CHOICE Einstein Relatively Simple brings together for the first time an exceptionally clear explanation of both special and general relativity. It is for people who always wanted to understand Einstein's ideas but never thought they could. Told with humor, enthusiasm, and rare clarity, this entertaining book reveals how a former high school drop-out revolutionized our understanding of space and time. From E=mc2 and everyday time travel to black holes and the big bang, Einstein Relatively Simple takes us all, regardless of our scientific backgrounds, on a mind-boggling journey through the depths of Einstein's universe. Along the way, we track Einstein through the perils and triumphs of his life — follow his thinking, his logic, and his insights — and chronicle the audacity, imagination, and sheer genius of the man recognized as the greatest scientist of the modern era. In Part I on special relativity we learn how time slows and space shrinks with motion, and how mass and energy are equivalent. Part II on general relativity reveals a cosmos where black holes trap light and stop time, where wormholes form gravitational time machines, where space itself is continually expanding, and where some 13.7 billion years ago our universe was born in the ultimate cosmic event — the Big Bang. Contents:Einstein Discovered: Special Relativity, E = mc2,and Spacetime:From Unknown to RevolutionaryThe Great ConflictThe Two PostulatesA New RealityThe Shrinking of TimeSimultaneity and the Squeezing of SpaceThe World's Most Famous EquationSpacetimeEinstein Revealed: General Relativity, Gravity, and the Cosmos:Einstein's Dream“The Happiest Thought of My Life”The Warping of Space and TimeStitching SpacetimeWhat is Spacetime Curvature?Einstein's MasterpieceThe Universe RevealedIn the Beginning Readership: Adults and young people all over the world who are curious about Einstein and how the universe works. Keywords:Einstein;Relativity;Special Relativity;General Relativity;Spacetime;Big Bang;Black Holes;Expansion of Space;Time Travel;E=mc2;Universe;Cosmos;Time Dilation;Length Contraction;Wormholes;Light Postulate;Length Contraction;Gravitational Time Dilation;Time Warp;Space Warp;Relativity Postulate;Lorentz Transformation;Light Clock;Relativity of Simultaneity;Twins Paradox;Equivalence Principle;Gravity;Spacetime Curvature;Spacetime Interval;Gaussian Co-Ordinates;Geodesic;Momenergy;The Einstein Equation;Schwarzschild Geometry;Bending of Starlight;Frame Dragging;Cosmic Microwave Background;Geometry of Universe;Flat Universe;Critical Density;Dark Matter;Dark Energy;Future of UniverseKey Features:Einstein Relatively Simple is the definitive book on Einstein's theories for the lay reader — one that is fun to read, comprehensive, and most important, understandableEinstein's ideas are explained in everyday languageThe book devotes eight chapters to special and a full eight chapters to general relativity. Most popular science books give general relativity only a brief mention or ignore it altogetherReviews: “This general relativity theory changed our views on the origin and on the ending (if any) of the universe … all topics that tickle the imagination of a general public and Egdall, bringing the reader to the point beyond general relativity, does not miss the opportunity to end his guided tour with a sparkling firework of these issues … it is an entertaining introduction for the layman, that brings the reader a very long way.” The European Mathematical Society “He covers the main topics of special and general relativity in a refreshing, personal way. This is a well-crafted, well-documented text with extensive endnotes, in which a bibliography is embedded. He introduces readers to his own unique entry into this very populous genre. Valuable for inquisitive nonscientists.” CHOICE “I'm crazy about it. It's the best presentation of relativity for non-scientists that I've seen.” Art Hobson Professor Emeritus of Physics University of Arkansas "The writing is jovial and energetic and holds the reader's attention. This book is a nice introduction to modern physics, with a great biography of Einstein included. This book is recommended for a lay reader with basic algebra skills; high school and beginning college physics students would find it easily accessible." Zentralblatt MATH
Author : Allen Everett,Thomas Roman Publisher : University of Chicago Press Page : 282 pages File Size : 46,5 Mb Release : 2012 Category : Space and time ISBN : 9780226224985
Time Travel and Warp Drives by Allen Everett,Thomas Roman Pdf
Presents the current understanding of the nature of time and space, and an approachable explanation of Einstein's theory of special relativity; then goes on to connect these to possible time travel along with the accompanying paradoxes involved.
Inspired at an impressionable age by the work of science fiction writers H.G.Wells and Arthur C Clarke, Paul Davies has thought long and hard about ways to travel in time. Here, the best-selling popular science writer finally reveals how it can be done - without breaking the laws of physics and without causing any earth-shattering paradoxes. Since time is money, time travel is a costly business. But with the help of a handy black hole, or better a wormhole, and a bit of luck, Davies's guide illustrates how this new mode of travel could yet be a viable option. "An entertaining tour around a fascinating topic, conducted by a world-class physicist" - SUNDAY TELEGRAPH
10 Short Lessons in Time Travel by Brian Clegg Pdf
'10 Short Lessons in Time Travel lucidly sums up the essential parts of this fascinating subject.' John Gribbin ________________________ In Ten Short Lessons in Time Travel, Brian Clegg takes us on a fascinating and up-to-date tour of the workings of the universe that suggest the possibility of journeying back and forth through time. Einstein's special theory of relativity told us that time travel to the future was possible, and later his general theory of relativity showed us that loops in spacetime could exist, meaning that we might be able to bend time backwards, too. But what are the practicalities of making time travel possible? What do we still need to know? How do we deal with paradoxical twists in time - and could quantum physics hold the answer? From the imagination of novelists to current research, 10 Short Lessons in Time Travel is a grand tour of the essential lessons in this game-changing area of physics. About the series: The Pocket Einstein series is a collection of essential pocket-sized guides for anyone looking to understand a little more about some of the most important and fascinating areas of science in the twenty-first century. Broken down into ten simple lessons and written by leading experts in their field, discover the ten most important takeaways from those areas of science you've always wanted to know more about.
So You Created a Wormhole by Phil Hornshaw,Nick Hurwitch Pdf
Welcome, intrepid temporal explorers, to the world's first and only field manual/survival guide to time travel!DON'T LEAVE THIS TIME PERIOD WITHOUT IT! Humans from H. G. Wells to Albert Einstein to Bill & Ted have been fascinated by time travel-some say drawn to it like moths to a flame. But in order to travel safely and effectively, newbie travelers need to know the dos and don'ts. Think of this handy little book as the only thing standing between you and an unimaginably horrible death-or being trapped forever in another time or alternate reality. You get: Essential time travel knowledge: Choosing the right time machine, from DeLoreans to hot tubs to phone booths-and beyond What to say-and what NOT to say-to your doppelganger Understanding black holes and Stephen Hawking's term "spaghettification" (no, it's not a method of food preperation; yes, it is a horrifically painful way to meet your end) The connection between Einstein's General Theory of Relativity, traversing wormholes and the 88 mph speed requirement The possible consequences of creating a time paradox-including, but not limited to, the implosion of the universe Survival tips for nearly any sticky time travel situation: How to befriend a dinosaur and subsequently fight other dinosaurs with that dinosaur Instructions to build your very own Rube Goldberg Time Machine Crusading-for fun and profit Tips on battling cowboys, pirates, ninjas, samurai, Nazis, Vikings, robots and space marines How to operate a microwave oven Enjoying the servitude of robots and tips for living underground when they inevitably rise up against us
It is a widely known but little considered fact that Albert Einstein and Kurt Godel were best friends for the last decade and a half of Einstein's life. The two walked home together from Princeton's Institute for Advanced Study every day; they shared ideas about physics, philosophy, politics, and the lost world of German science in which they had grown up. By 1949, Godel had produced a remarkable proof: In any universe described by the Theory of Relativity, time cannot exist . Einstein endorsed this result-reluctantly, since it decisively overthrew the classical world-view to which he was committed. But he could find no way to refute it, and in the half-century since then, neither has anyone else. Even more remarkable than this stunning discovery, however, was what happened afterward: nothing. Cosmologists and philosophers alike have proceeded with their work as if Godel's proof never existed -one of the greatest scandals of modern intellectual history. A World Without Time is a sweeping, ambitious book, and yet poignant and intimate. It tells the story of two magnificent minds put on the shelf by the scientific fashions of their day, and attempts to rescue from undeserved obscurity the brilliant work they did together.
E = Einstein by Donald Goldsmith,Marcia Bartusiak Pdf
In the history of physics, there has been no greater visionary than Albert Einstein. Through his revolutionary Theory of Relativity, he changed the way we look at the universe. But there is more to Einstein than just E=mc[superscript 2]. "In addition to contributing to many branches of physical science," relates Gerald Holton, "he also published widely on social and philosophical issues. He challenged current philosophies, both of science and of the state. He waged a constant fight for individual liberty and dignity against persecution and war." Einstein's ideas and views continue to play a role in contemporary science and in the popular imagination. Now two distinguished editors have compiled an enlightening collection of important and penetrating essays that shed light on many fascinating aspects of this great man. The esteemed contributors cover both important milestones and lesser known facts to present a thoughtful portrait. Historical black-and-white photographs and color illustrations complete this engaging anthology. Book jacket.
Cosmic Reality: Understanding Space, Time, and Einstein's Universe by Vrushank Agrawal Pdf
Ever wondered if you could control time by regulating the speed of your spaceship? What if you could tune in and listen to the secrets of the universe? Wouldn't it be awesome to travel through space and time via a hole? Cosmic Reality, a book complete with captivating thought experiments, paradoxes, and analyses, introduces one of the most important works of the modern era, Einstein's theory of relativity, and its implications while taking a completely different tack at explaining reality and changing our world view about how the cosmos works. Filled with sublime humor and wisdom, the book articulately explains the concepts of space, time, and the evolution of the universe while also introducing enigmatic cosmic objects and events, which remain oblivious to the general onlooker.
Time Traveler by Dr. Ronald L. Mallett,Bruce Henderson Pdf
This is the dramatic and inspirational first-person story of theoretical physicist, Dr. Ronald Mallett, who recently discovered the basic equations for a working time machine that he believes can be used as a transport vehicle to the past. Combining elements of Rocket Boys and Elegant Universe, Time Traveler follows Mallett's discovery of Einstein's work on space-time, his study of Godel's work on a solution of Einstein's equation that might allow for time travel, and his own research in theoretical physics spanning thirty years that culminated in his recent discovery of the effects of circulating laser light and its application to time travel. The foundation for Mallett's historic time-travel work is Einstein's theory of general relativity, a sound platform for any physicist. Through his years of reading and studying Einstein, Mallett became a buff well before he had any notion of the importance of the grand old relativist's theories to his own career. One interesting subtext to the story is Mallett's identification with, and keen interest in, Einstein. Mallett provides easy-to-understand explanations of the famous physicist's seminal work.
Its' Really About Time provides a clear and complete explanation of why it will someday be possible to travel years, decades or even centuries in the future, a direct consequence of Einstein's Special Theory of Relativity. The book is aimed at intellectually curious people and requires no previous science or mathematics training.
Beyond Einstein by Michio Kaku,Jennifer Trainer Thompson Pdf
What is superstring theory and why is it important? Can superstrings offer the fulfilment of Einstein's lifelong dream of a Theory of Everything? Co-authored by one of the leading pioneers in superstrings, this book approaches these scientific questions, looking at the scientific research.