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    From the page: " Grandfather Paradox : Time travel is impossible as exemplified by the famous grandfather paradox. Imagine you build a time machine. It is possible for you to travel back in time, meet your grandfather before he produces any children (i.e. your father/mother) and kill... more

    Reviewed by TONYYB Jun 13 2008, 08:28am ( 74 reviews ) suprbay.org

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