Time Travel And Warp Drives: A Scientific Guide To Shortcuts Through Time And Space

Paperback | April 9, 2013

byAllen Everett, Thomas Roman

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To see video demonstrations of key concepts from the book, please visit this website: http://www.press.uchicago.edu/sites/timewarp.index.html. 

Sci-fi makes it look so easy. Receive a distress call from Alpha Centauri? No problem: punch the warp drive and you're there in minutes. Facing a catastrophe that can't be averted? Just pop back in the timestream and stop it before it starts. But for those of us not lucky enough to live in a science-fictional universe, are these ideas merely flights of fancy—or could it really be possible to travel through time or take shortcuts between stars?

Cutting-edge physics may not be able to answer those questions yet, but it does offer up some tantalizing possibilities. In Time Travel and Warp Drives, Allen Everett and Thomas A. Roman take readers on a clear, concise tour of our current understanding of the nature of time and space—and whether or not we might be able to bend them to our will. Using no math beyond high school algebra, the authors lay out an approachable explanation of Einstein's special relativity, then move through the fundamental differences between traveling forward and backward in time and the surprising theoretical connection between going back in time and traveling faster than the speed of light. They survey a variety of possible time machines and warp drives, including wormholes and warp bubbles, and, in a dizzyingly creative chapter, imagine the paradoxes that could plague a world where time travel was possible—killing your own grandfather is only one of them!

Written with a light touch and an irrepressible love of the fun of sci-fi scenarios—but firmly rooted in the most up-to-date science, Time Travel and Warp Drives will be a delightful discovery for any science buff or armchair chrononaut.

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To see video demonstrations of key concepts from the book, please visit this website: http://www.press.uchicago.edu/sites/timewarp.index.html. Sci-fi makes it look so easy. Receive a distress call from Alpha Centauri? No problem: punch the warp drive and you're there in minutes. Facing a catastrophe that can't be averted? Just pop ba...

Allen Everett is professor emeritus of physics at Tufts University. Thomas Roman is a professor in the Mathematical Sciences Department at Central Connecticut State University. Both have taught undergraduate courses in time-travel physics.

other books by Allen Everett

Format:PaperbackDimensions:278 pages, 9 × 6 × 0.8 inPublished:April 9, 2013Publisher:University Of Chicago PressLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:022604548X

ISBN - 13:9780226045481

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Table of Contents

Preface
Acknowledgments

1. Introduction
2. Time, Clocks, and Reference Frames
3. Lorentz Transformations and Special Relativity
4. The Light Cone
5. Forward Time Travel and the Twin “Paradox”
6. “Forward, into the Past”
7. The Arrow of Time
8. General Relativity: Curved Space and Warped Time
9. Wormholes and Warp Bubbles: Beating the Light Barrier and Possible Time Machines
10. Banana Peels and Parallel Worlds
11. “Don’t Be So Negative”: Exotic Matter
12. “To Boldly Go . . .”?
13. Cylinders and Strings
14. Epilogue
Appendix 1. Derivation of the Galilean Velocity Transformation
Appendix 2. Derivation of the Lorentz Transformations
Appendix 3. Proof of the Invariance of the Spacetime Interval
Appendix 4. Argument to Show the Orientation of the x',t' Axes Relative to the x,t Axes
Appendix 5. Time Dilation via Light Clocks
Appendix 6. Hawking’s Theorem
Appendix 7. Light Pipe in the Mallett Time Machine

Bibliography
Index