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Results tagged with time-travel
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user 28361
Time travel is the concept of moving between different points in time, often instigated by non-trivially topology of space-time, such as a wormhole. DO NOT USE THIS TAG for questions on changes of coordinate systems, changes of time coordinate, or topologically trivial 'twin paradox' settings.
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Wormholes, time travel, and time dilation
I believe I understand the "wormhole time machine" now, but still have one question regarding what happens if you enter the stationary mouth.
A wormhole is created and (of course) has two mouths, $x$ …
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Why do relativistic wormholes have to be brought together to make a "time machine"?
In "From wormhole to time machine: Comments on Hawking’s Chronology Protection Conjecture" by Matt Visser (http://arxiv.org/abs/hep-th/9202090), he summarizes how "time machines" may be created from t …
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