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
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?
Faster Than Light
For those who enjoy science fact as well as science fiction, a leading expert on quantum theory imaginatively explains how faster-than-light communication and travel are actually being explored by physicists, despite the basic belief that nothing can exceed the speed of light. Line drawings.
The Physics of Space Travel: Exploring Faster-Than-Light Travel
The Physics of Space Travel: Exploring Faster-Than-Light Travel is an exhilarating journey into the world of cutting-edge science and theoretical physics. Imagine a future where interstellar travel is not just a dream, but a reality. In this comprehensive and accessible guide, you’ll dive deep into the science behind faster-than-light travel, exploring concepts like Einstein’s theory of relativity, wormholes, warp drives, and quantum tunneling. Whether you’re a space enthusiast, a science fiction fan, or simply curious about the future of space exploration, this book breaks down complex ideas into engaging, easy-to-understand chapters. Discover the latest theories in space travel technology, the role of dark matter and dark energy, and the tantalizing possibility of time travel. Along the way, we’ll explore the search for advanced extraterrestrial civilizations and how their discoveries could guide our own journey to the stars. With vivid explanations, real scientific insights, and thought-provoking possibilities, The Physics of Space Travel is your essential guide to understanding how humanity might one day break the light-speed barrier and unlock the mysteries of the cosmos. If you’ve ever wondered what it takes to go beyond the stars, this book is your launchpad into the incredible future of faster-than-light travel.