Word: epochs
(lookup in dictionary)
(lookup stats)
Dates: during 2000-2009
Sort By: most recent first
(reverse)
Even if you could get past these difficulties, the physics of both types of time machine dictate that you can't go back in time to an epoch before the time machine was created. So you couldn't meet and perhaps kill your own ancestor. But if such a machine were built today, your descendants might come and kill you, changing their own past...