GOTT: One of the things we might like to know about is how long the human race is likely to last. We can be helped by determining this by using the Copernican principle. The Copernican principle is ...

Astrophysicist J. Richard Gott III is the author of "Time Travel in Einstein's Universe: The Physical Possibilities of Travel Through Time" (Houghton Mifflin, $25). David Wallis spoke with Gott in his ...

Contents -- Acknowledgments -- Preface -- Dreaming of time travel -- Time travel to the future -- Time travel to the past -- Time travel and the beginning of the Universe -- Report from the future -- ...

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