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Top Sci-Fi Time-Travel Methods
Discovery.com has rounded up some of Hollywood's most ridiculous explanations for time travel, including Superman reversing the earth and the quantum mechanics and "exotic material" underlying [SPOILER ALERT] the time-hopping island in 'Lost.' The time-traveling trope has been a stalwart in science fiction since the 18th century, and continues to be a defining characteristic of the genre. ...
