Back In Time And Faster Than Light Travel In General Relativity

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Back-in-Time and Faster-than-Light Travel in General Relativity

Serguei Krasnikov
Back in Time and Faster than Light Travel in General Relativity Book PDF

Author : Serguei Krasnikov
Publisher : Springer
Page : 250 pages
File Size : 44,5 Mb
Release : 2019-02-01
Category : Science
ISBN : 3030102602

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Back-in-Time and Faster-than-Light Travel in General Relativity by Serguei Krasnikov Pdf

For the past 20 years causality violations and superluminal motion have been the object of intensive study as physical and geometrical phenomena. This book compiles the results of its author and also reviews other work in the field. In particular, the following popular questions are addressed: Is causality protected by quantum divergence at the relevant Cauchy horizon? How much "exotic matter" would it take to create a time machine or a warp drive? What is the difference between a "discovered" time machine and a created one? Why does a time traveler fail to kill their grandfather? How should we define the speed of gravity and what is its magnitude?

Back-in-Time and Faster-than-Light Travel in General Relativity

Serguei Krasnikov
Back in Time and Faster than Light Travel in General Relativity Book PDF

Author : Serguei Krasnikov
Publisher : Springer
Page : 250 pages
File Size : 41,8 Mb
Release : 2018-05-10
Category : Science
ISBN : 9783319727547

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Back-in-Time and Faster-than-Light Travel in General Relativity by Serguei Krasnikov Pdf

For the past 20 years causality violations and superluminal motion have been the object of intensive study as physical and geometrical phenomena. This book compiles the results of its author and also reviews other work in the field. In particular, the following popular questions are addressed: Is causality protected by quantum divergence at the relevant Cauchy horizon? How much "exotic matter" would it take to create a time machine or a warp drive? What is the difference between a "discovered" time machine and a created one? Why does a time traveler fail to kill their grandfather? How should we define the speed of gravity and what is its magnitude?

The Infinite Universe

Tim Andersen
The Infinite Universe Book PDF

Author : Tim Andersen
Publisher : Unknown
Page : 96 pages
File Size : 55,6 Mb
Release : 2020-05-04
Category : Electronic
ISBN : 9798643277484

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The Infinite Universe by Tim Andersen Pdf

This book is for anyone who wants a fresh approach to modern physics. Are you tired of amusing anecdotes about scientists' personal lives and eureka moments? Bored of chronological narratives of scientific progress through the ages? No longer wowed by ideas like string theory? Interested in first principles thinking and what it can do for you? This book is for you. This book is designed to take you step by step through the fundamental principles that underlie the physics of space, time, and matter. It is a how-to guide for building up our universe from first principles. By posing questions and answering them with illustrations and examples, the book shows how we can demonstrate what we know about the universe with simple concepts and thought experiments. With this book, you too can apply first principles to build up your own model of the universe and how it works, one you can take with you, and apply it to other areas of your life such as your job, business, even your relationships. There are no complicated mathematics in this book and I have minimized the amount of jargon. Thus, it is suitable anyone of any educational background from high school on. The book aims to be straightforward about how we get from simple ideas to complex physical theories. So, if you are interested in a new way of looking at the universe and are not afraid to unlearn some of what you have learned, take a look inside.

Time Travel and Warp Drives

Allen Everett,Thomas Roman
Time Travel and Warp Drives Book PDF

Author : Allen Everett,Thomas Roman
Publisher : University of Chicago Press
Page : 282 pages
File Size : 42,9 Mb
Release : 2012
Category : Space and time
ISBN : 9780226224985

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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.

Time Travel in Einstein's Universe

J. Richard Gott
Time Travel in Einstein s Universe Book PDF

Author : J. Richard Gott
Publisher : HMH
Page : 307 pages
File Size : 40,8 Mb
Release : 2015-08-25
Category : Science
ISBN : 9780547526577

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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

Faster than Light

Robert J. Nemiroff
Faster than Light Book PDF

Author : Robert J. Nemiroff
Publisher : Betelgeuse Press
Page : 344 pages
File Size : 53,9 Mb
Release : 2023-09-09
Category : Science
ISBN : 9781662933851

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Faster than Light by Robert J. Nemiroff Pdf

Albert Einstein knew already in the early 1900s, when he first published his famous paper about the constancy of the speed of light, that not only did this constancy imply that mass contains energy (E = m c squared), but that faster-than-light motion could lead to paradoxes -- some that seemed to involve backwards time travel. What are these paradoxes? Why is light and its speed relevant? This book will lead you through an obstacle course of conundrums and oddities, building up your understanding of how light's speed creates simple but mind-expanding paradoxes -- one conceptual riddle at a time. This is not your average popular science book. This is also not a textbook. This book takes one theme -- the universally constant speed of light -- and shows how it may appear compromised on scales from the quantum mechanics of the very small to the cosmology of the very large, and the resulting surprising implications can result. Book Review 1: "Imagine embarking on a journey to comprehend the physics of the entire universe with a guide who’s not only an expert but makes the concepts digestible and entertaining. Robert J. Nemiroff offers such a journey in Faster Than Light, a book that initially describes the speed of light, then touches on subjects as esoteric as time travel using the theory of relativity and speculation on how to send information back in time, among other subjects." -- blue ink Book Review 2: " ... takes readers on a wild ride through the ins and outs of the speed of light in this mind-bending guide. His primary approach is through a series of humorous thought experiments ... explanations are clear and concise, and most of them require only logic to sort out, making the book more accessible than similar titles." -- Booklife Book Review 3: "A fresh and joyous ride through the mind-bending puzzles at the heart of nature's most fundamental speed that remind us that the universe is strange beyond belief" -- Caleb Scharf (Author: THe Ascent of Information) Book Review 4: "Better than a new particle collider!" -- Sabine Hossenfelder (Author: Existential Physics)

The Birth of Now

Jamie Cawley
The Birth of Now Book PDF

Author : Jamie Cawley
Publisher : Troubador Publishing Ltd
Page : 336 pages
File Size : 40,6 Mb
Release : 2016-04-20
Category : History
ISBN : 9781785891229

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The Birth of Now by Jamie Cawley Pdf

In 1870, more than 4,000 years after it was built, the Great Pyramid at Giza in Egypt was still the world's tallest man-made structure. By 2010, only 140 years later, there were more than 10,000 buildings taller than the Great Pyramid. This book is about what caused this change and what will change next. Why did change take so long to happen? Why did it start in North West Europe? The Birth of Nowlooks at what made the Industrial Revolution – and the financial, transport, agricultural and political revolutions – all happen at the same time. Previous ideas are reviewed – empire, geography, politics, coal or inventions – with remarkable new findings, until the 'smoking gun' is found and we know what started it all, what triggered the Birth of Now. Once it started, we see the astonishing rate of transformation in the Victorian age and, in the last part of the book, see how our view of the future is changed. The Birth of Now follows Jamie Cawley's previous break-through book, Beliefs, in transforming our understanding of the world. This book will allow readers to see the world in a new way, that will make them think and understand better what happened then and what is happening now. Ideal for anyone looking for a new perspective on the modern world, The Birth of Now is a fascinating read that will appeal to those interested in 20th century history.

To Sleep in a Sea of Stars

Christopher Paolini
To Sleep in a Sea of Stars Book PDF

Author : Christopher Paolini
Publisher : Tor Books
Page : 848 pages
File Size : 49,8 Mb
Release : 2020-09-15
Category : Fiction
ISBN : 9781250762900

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To Sleep in a Sea of Stars by Christopher Paolini Pdf

Now a New York Times and USA Today bestseller! Winner of Best Science Fiction in the 2020 Goodreads Choice Awards! To Sleep in a Sea of Stars is a brand new epic novel from #1 New York Times bestselling author of Eragon, Christopher Paolini. Kira Navárez dreamed of life on new worlds. Now she's awakened a nightmare. During a routine survey mission on an uncolonized planet, Kira finds an alien relic. At first she's delighted, but elation turns to terror when the ancient dust around her begins to move. As war erupts among the stars, Kira is launched into a galaxy-spanning odyssey of discovery and transformation. First contact isn't at all what she imagined, and events push her to the very limits of what it means to be human. While Kira faces her own horrors, Earth and its colonies stand upon the brink of annihilation. Now, Kira might be humanity's greatest and final hope . . . The Fractalverse Series To Sleep in a Sea of Stars Fractal Noise At the Publisher's request, this title is being sold without Digital Rights Management Software (DRM) applied.

Spacetime and Geometry

Sean M. Carroll
Spacetime and Geometry Book PDF

Author : Sean M. Carroll
Publisher : Cambridge University Press
Page : 529 pages
File Size : 45,6 Mb
Release : 2019-08-08
Category : Science
ISBN : 9781108488396

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Spacetime and Geometry by Sean M. Carroll Pdf

An accessible introductory textbook on general relativity, covering the theory's foundations, mathematical formalism and major applications.

Time Travel in Einstein's Universe

J. Richard Gott
Time Travel in Einstein s Universe Book PDF

Author : J. Richard Gott
Publisher : Houghton Mifflin Harcourt
Page : 308 pages
File Size : 47,6 Mb
Release : 2002
Category : Science
ISBN : 0618257357

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Time Travel in Einstein's Universe by J. Richard Gott Pdf

Discusses the scientific possibility of time travel; uses the concept of time travel to examine the origin of the universe; and explores the future of human existence.

Special Relativity and Motions Faster than Light

Moses Fayngold
Special Relativity and Motions Faster than Light Book PDF

Author : Moses Fayngold
Publisher : John Wiley & Sons
Page : 320 pages
File Size : 45,6 Mb
Release : 2008-09-08
Category : Science
ISBN : 9783527622436

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Special Relativity and Motions Faster than Light by Moses Fayngold Pdf

While the theory of special relativity is often associated with the idea of traveling faster than light, this book shows that in all these cases subtle forces of nature conspire to prevent these motions being harnessed to send signals faster than the speed of light. The author tackles these topics both conceptually, with minimal or no mathematics, and quantitatively, making use of numerous illustrations to clarify the discussion. The result is a joy to read for both scientists familiar with the subject and laypeople wishing to understand something of special relativity.

Hypothetical Spacecraft and Interstellar Travel

Ezekiel Nygren
Hypothetical Spacecraft and Interstellar Travel Book PDF

Author : Ezekiel Nygren
Publisher : Lulu.com
Page : 269 pages
File Size : 55,5 Mb
Release : 2015-02-28
Category : Science
ISBN : 9781312955929

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Hypothetical Spacecraft and Interstellar Travel by Ezekiel Nygren Pdf

Hypothetical Spacecraft and Interstellar Travel collects information about the latest and greatest hypothetical spacecraft.

The Search for Extra Terrestrial Intelligence

David Lamb
The Search for Extra Terrestrial Intelligence Book PDF

Author : David Lamb
Publisher : Routledge
Page : 230 pages
File Size : 46,6 Mb
Release : 2005-07-26
Category : Philosophy
ISBN : 9781134544639

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The Search for Extra Terrestrial Intelligence by David Lamb Pdf

Is the Search for Extra Terrestrial Intelligence a genuine scientific research programme? David Lamb evaluates claims and counter-claims, and examines recent attempts to establish contact with other intelligent life forms. He considers the benefits and drawbacks of this communication, how we should communicate and whether we actually can. He also assesses competing theories on the origin of life on Earth, discoveries of former solar planets, proposals for space colonies and the consequent technical and ethical issues.

Einstein Equations: Physical and Mathematical Aspects of General Relativity

Sergio Cacciatori,Batu Güneysu,Stefano Pigola
Einstein Equations Physical and Mathematical Aspects of General Relativity Book PDF

Author : Sergio Cacciatori,Batu Güneysu,Stefano Pigola
Publisher : Springer Nature
Page : 359 pages
File Size : 53,7 Mb
Release : 2019-11-23
Category : Science
ISBN : 9783030180614

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Einstein Equations: Physical and Mathematical Aspects of General Relativity by Sergio Cacciatori,Batu Güneysu,Stefano Pigola Pdf

This book is based on lectures given at the first edition of the Domoschool, the International Alpine School in Mathematics and Physics, held in Domodossola, Italy, in July 2018. It is divided into two parts. Part I consists of four sets of lecture notes. These are extended versions of lectures given at the Domoschool, written by well-known experts in mathematics and physics related to General Relativity. Part II collects talks by selected participants, focusing on research related to General Relativity.