jamey2k9 Posted February 19, 2009 Share Posted February 19, 2009 I was daydreaming and I thought about time running it's infinite path and then I thought would it be possible that there's anti-time and what would anti time be any ideas All comments welcome Link to comment Share on other sites More sharing options...
Klaynos Posted February 19, 2009 Share Posted February 19, 2009 I don't know what you mean by anti-time? If you mean in the same was as matter and anti-matter, then I'd say no, as they are not anti-space... Link to comment Share on other sites More sharing options...
Airbrush Posted February 19, 2009 Share Posted February 19, 2009 Just because matter has anti-matter, does not mean that time has anti-time. Time is an artificial measuring device like length. Using this logic there cannot be anti-time just like there cannot be anti-length. Distance measures are always positive. Link to comment Share on other sites More sharing options...
ajb Posted February 20, 2009 Share Posted February 20, 2009 In the theory of supermanifolds you have "odd" time. That is a map [math] \gamma : \mathbb{R}^{0|1} \rightarrow M[/math], which in local coordinates is [math]\gamma^{*}x^{A} = x^{A}(\tau)[/math] if [math]\tau[/math] is a coordinate on [math]\mathbb{R}^{0|1}[/math] and [math]x^{A}[/math] are the coordinates on [math]M[/math]. It is odd as it carries Grassman parity 1. In particular this means [math]\tau ^{2}=0[/math]. This is more like a super-time rather than an anti-time, but it is the closest thing I can think of. Also see supersymmetry. Merged post follows: Consecutive posts mergedJust because matter has anti-matter, does not mean that time has anti-time. Time is an artificial measuring device like length. Using this logic there cannot be anti-time just like there cannot be anti-length. Distance measures are always positive. Again, in the category of (smooth) supermanifolds you can define an odd Riemannian structure. In the same sense as before it is like an "anti-length" of sorts. I don't know much about odd Riemannian structures, they are on the list of things to work on next. Link to comment Share on other sites More sharing options...
jamey2k9 Posted March 3, 2009 Author Share Posted March 3, 2009 talking long shot would there be any possibility of there been anti-time Link to comment Share on other sites More sharing options...
Airbrush Posted March 3, 2009 Share Posted March 3, 2009 "...any possibility of there [being] anti-time[?]" Sure, anything is possible, just not probable. There is time dilation. In the most far-out episodes of The Universe on the History Channel, they never mentioned "anti-time". Nothing about anti-time on wikipedia, and they even mention time travel. The concept "arrow of time" implies time is positive. Has anyone heard of "anti-time" in scifi? Not once did I ever hear Mr. Spock mention anti-time in any episode of Star Trek. They just travel faster than light and go back in time. Link to comment Share on other sites More sharing options...
jamey2k9 Posted March 3, 2009 Author Share Posted March 3, 2009 there one episode of star trek were they encounter some anti-time vortex paradox or something like that I was half asleep so ha:D:-p Link to comment Share on other sites More sharing options...
Klaynos Posted March 4, 2009 Share Posted March 4, 2009 I still don't get what anti-time would be... Link to comment Share on other sites More sharing options...
hewj11 Posted March 4, 2009 Share Posted March 4, 2009 I agree. What would anti time be? Non existence? traveling back in time? Or like a anti universe? Link to comment Share on other sites More sharing options...
Airbrush Posted March 4, 2009 Share Posted March 4, 2009 You are not alone Klaynos, nobody gets what "anti-time" would be. Time slows down for moving objects, but it doesn't seem to reverse. Can time speed up? Does time ever stop? Time travel only occurs at Montauk Point Long Island. http://en.wikipedia.org/wiki/Montauk_project An anti-universe is possible, because anti-matter certainly exists. Link to comment Share on other sites More sharing options...
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