Focus
RBF Definitions
"... A sphere is an aggregate of energy event foci approximately equidistant in all directions from approximately 'one' energy event focus. This is a system in which the most economical relationships between embracingly adjacent foci are the great circle chords and not the arcs."
Citations
- Synergetics draft, \href, "Compound Curvature," U. Mass., Amherst. 22 July 1971.
