Two physicists from the University of Queensland in Australia recently laid out a model for studying hypothetical time travel. Their work expands on what’s called the Alcubierre spacetime, first published by physicist Miguel Alcubierre over 30 years ago. Time travel is very hypothetical, with a few paths that scientists explore mostly for fun and to push the boundaries of physics research in interesting directions. In that spirit, the Australian physicists have tweaked the Alcubierre theory to take one more step into the beyonds of time travel.
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