Mr Skeptic Posted July 21, 2008 Share Posted July 21, 2008 So, most people think of rotation in 3D with respect to an axis, which is like rotating each 2D plane perpendicular to the axis. But relativity says we live in a 4D universe, although time is a rather special dimension. Anyhow, I have several questions about rotation. What would each of the following look like?: *Rotation in the real world. How is the time dimension affected? *Rotation in 4 normal dimensions (called [math]R^4[/math]?) *Rotation in spacetime, along the time axis. *Rotation in spacetime, as if it were [math]R^4[/math] I'm not really sure what I'm looking for, or even if there is anything to find. Maybe I'll have an idea when I see the answers... Link to comment Share on other sites More sharing options...
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