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joeyjojo
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*\'\'\'In really hard SF:\'\'\' \
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*\\\'\\\'\\\'In really hard SF:\\\'\\\'\\\' \\\"It doesn\\\'t. Time travel is impossible.\\\" [[hottip:*:Actually, time travel is possible, we do it all the time: we are moving into the future at a rate of 1 second per second. And joking aside, there are some tricks which \\\'\\\'might\\\'\\\' let you skip ahead a bit, like [[TimeDilation moving close to the speed of light in a path from Earth back to Earth]] or [[HumanPopsicle going into hibernation and being revived in the future]], but both involve unsolved engineering problems. Time travel into the past, of course, is considered impossible.]]\\\"
while physicists are [[ScienceMarchesOn working hard to try to rule it out]], there is still some debate about Closed timelike curve [[http://en.wikipedia.org/wiki/Closed_timelike_curve]] according to current models time travel \\\'\\\'is\\\'\\\' possible.
while physicists are [[ScienceMarchesOn working hard to try to rule it out]], there is still some debate about Closed timelike curve [[http://en.wikipedia.org/wiki/Closed_timelike_curve]] according to current models time travel \\\'\\\'is\\\'\\\' possible.
