The idea that nobody wanted
- History of the Double-Cylindrical PointFocus : 1976 - 2001
- Animations of the DC PointFocus focusing a planar wave-front to a point.
- Melting limestone in free air Tomas Elofsson melting stone in Gusum's abandoned zip-lock factory, July 1989.
- Real burning demos: Tomas Elofsson demonstrating the DC PointFocus mirrors in action.