Kath Two was snapped out of her work reverie by a mild shift in their tone of voice. Now they were talking about something important. Not in an urgent or concerned way. A glance at the display told her what it was: they were nearing the ring, which meant that they were about to lance through the twenty-kilometer-wide gap between two space habitats. There was no reason that this should be a problem, but it was the sort of feat that focused one’s attention and brought a discernible edge to one’s voice.