In Consider Phlebas, the refugee Mind that was hiding in the tunnel system was described as existing mostly in hyperspace [1]. Whether that beats time travel as

In Consider Phlebas, the refugee Mind that was hiding in the tunnel system was described as existing mostly in hyperspace [1]. Whether that beats time travel as a computational shortcut I really wouldn't know. [1] http://en.wikipedia.org/wiki/Mind_(The_Culture)#Structure http://en.wikipedia.org/wiki/Mind_(The_Culture)#Structure