In this article (and numerous others) http://phys.org/news/2011-04-scientists-spacetime-dimension.html and http://www.rebelscience.org/Crackpots/notorious.htm they suggest that there is no time dimension and even in the last one that there is no motion in space-time. Do you believe these theories, are they true?


closed as off-topic by Neuneck, Dan, user10851, Brandon Enright, Alfred Centauri Jun 3 '14 at 23:51

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  • $\begingroup$ I don't see any difference between the "numerical order" in your first link and the usual concept of time $\endgroup$ – agemO Jun 4 '14 at 9:45

Humans have been trying to figure out what time is since we were first able to think about it. The ideas of Sorli, et al. (your first link) are another attempt. No one knows if they are right or wrong. I don't think anyone really has a good intuition about what it means to say that "time is a forth dimension", despite being able to use the concept in practice. Some day we may have a better way of understanding things, and perhaps Sorli is a step down the right path.

Nothing moves in spacetime? I suppose that's true. In spacetime we usually speak of "events", and which event occurs before or after which other event to different users. But I can verify that in the 3D spatial world that I occupy, motion does occur.


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