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Markup View
Author: StarSword
Jun 21st 2016
at
6:08:27 PM
TV: * In the Creator/{{PBS}} miniseries ''[[http://www.pbs.org/genius-by-stephen-hawking/episodes/episode-1/ Genius by Stephen Hawking]]'', [[UsefulNotes/StephenHawking Professor Hawking]] points to this idea in a thought experiment as a reason for why TimeTravel violates the laws of physics. The logically required temporal duplicates (there would be two, one from you traveling backwards in time, the second from you traveling forwards again once you stop going backwards) violate the Law of Conservation of Mass, since the atoms making up both your bodies have to come from somewhere; they cannot just zap into existence or nonexistence. * The ''Series/StarTrekDeepSpaceNine'' episode "Visionary" has a time-traveling Miles O'Brien meet his self from a few hours in the future, leading to the immortal line, "I hate temporal mechanics..."
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