Fig. 517.10 Interference Phenomena: Lines Cannot Go Through the Same Point at the
Same Time: Interference phenomena: No two actions can go through the same point
at the same time. The consequences of this can be pictured as follows:

A. Tangential avoidance (like knitting needles)
B. Modulated noninterference.
C. Reflection.
D. Refraction.
E. Smash-up.
F. The minimum knot or critical proximity.

[Editor's note: This also appears as Figure 13 with slightly different captions for A. and F.]