Dead Reckoning in a Non-Orientable 3D Space
dead reckoning, is when you drive about without a map.
Or for example, in a first-person shooter game. By memory of past navigation decisions and memory of scenery and sense of direction and traveled distances, you can sort of reconstruct the area's map.
now imagine, dead reckoning in a non-orientable 3D space. This is when, the math wonders of nature sends a chill down your spine.
and that's possible when, math comes into a 3D game setting such as Second Life
for detail, see: Geometry: Requirements for a Visualization System for 2020
the image Karcher JE Saddle Tower isn't a non-orientable surface. What we need is a image for non-orientable 3D space. See: Orientability
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