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Time Travel and Warp Drives

2012 Space and time
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Release : 2012
Genre : Space and time
Kind : eBook
Book Rating : 988/5 ( reviews)

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Book Synopsis Time Travel and Warp Drives by : Allen Everett

Download or read book Time Travel and Warp Drives written by Allen Everett. This book was released on 2012. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Wormholes, Warp Drives and Energy Conditions

2017-05-16 Science
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Release : 2017-05-16
Genre : Science
Kind : eBook
Book Rating : 825/5 ( reviews)

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Book Synopsis Wormholes, Warp Drives and Energy Conditions by : Francisco S. N. Lobo

Download or read book Wormholes, Warp Drives and Energy Conditions written by Francisco S. N. Lobo. This book was released on 2017-05-16. Available in PDF, EPUB and Kindle. Book excerpt: Top researchers in the field of gravitation present the state-of-the-art topics outlined in this book, ranging from the stability of rotating wormholes solutions supported by ghost scalar fields, modified gravity applied to wormholes, the study of novel semi-classical and nonlinear energy conditions, to the applications of quantum effects and the superluminal version of the warp drive in modified spacetime. Based on Einstein's field equations, this cutting-edge research area explores the more far-fetched theoretical outcomes of General Relativity and relates them to quantum field theory. This includes quantum energy inequalities, flux energy conditions, and wormhole curvature, and sheds light on not just the theoretical physics but also on the possible applications to warp drives and time travel. This book extensively explores the physical properties and characteristics of these 'exotic spacetimes,' describing in detail the general relativistic geometries that generate closed timelike curves.

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

2018-05-10 Science
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Release : 2018-05-10
Genre : Science
Kind : eBook
Book Rating : 540/5 ( reviews)

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Book Synopsis Back-in-Time and Faster-than-Light Travel in General Relativity by : Serguei Krasnikov

Download or read book Back-in-Time and Faster-than-Light Travel in General Relativity written by Serguei Krasnikov. This book was released on 2018-05-10. Available in PDF, EPUB and Kindle. Book excerpt: 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 Physics of Star Trek

2007-08-02 Performing Arts
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Release : 2007-08-02
Genre : Performing Arts
Kind : eBook
Book Rating : 631/5 ( reviews)

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Book Synopsis The Physics of Star Trek by : Lawrence M. Krauss

Download or read book The Physics of Star Trek written by Lawrence M. Krauss. This book was released on 2007-08-02. Available in PDF, EPUB and Kindle. Book excerpt: How does the Star Trek universe stack up against the real universe? What warps when you're traveling at warp speed? What is the difference between a wormhole and a black hole? Are time loops really possible, and can I kill my grandmother before I am born? Anyone who has ever wondered "could this really happen?" will gain useful insights into the Star Trek universe (and, incidentally, the real world of physics) in this charming and accessible guide. Lawrence M. Krauss boldly goes where Star Trek has gone-and beyond. From Newton to Hawking, from Einstein to Feynman, from Kirk to Picard, Krauss leads readers on a voyage to the world of physics as we now know it and as it might one day be.

Time Travel in Einstein's Universe

2015-08-25 Science
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Release : 2015-08-25
Genre : Science
Kind : eBook
Book Rating : 571/5 ( reviews)

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Book Synopsis Time Travel in Einstein's Universe by : J. Richard Gott

Download or read book Time Travel in Einstein's Universe written by J. Richard Gott. This book was released on 2015-08-25. Available in PDF, EPUB and Kindle. Book excerpt: 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

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