While Cargill shipped orchids from Husby,
The Flying Dutchmen played ball
In a Swiss village hall,
As brane cosmology made quite a fuss-u.
the semicircle measures
angles in the void
## Assessment
**1. Is this hypothesis testable or purely speculative?**
The hypothesis is **purely speculative** in its current form. Graphometers are semicircular angle measurement instruments used in surveying, consisting of a semicircular limb divided into 180 degrees with fixed sights. Brane cosmology involves theories where the visible four-dimensional spacetime is restricted to a brane inside higher-dimensional space called the "bulk". The mathematical principles of graphometry (basic trigonometry and angular measurement) have no direct correspondence to the complex mathematical frameworks used in brane cosmology, which deals with topological mappings between different dimensional branes and requires sophisticated manifold geometry.
The reference to "ancient Pawnee spirit-dwellers" navigating sacred landscapes appears to conflate documented Pawnee sacred geography (which involved 14 sacred sites forming "a map of the sacred on this earth") with undocumented "spirit-dweller" navigation methods. The Pawnee sacred landscape system was based on stellar arrangements and astronomical observations, with village layouts reflecting star patterns above, not geometric surveying principles.
**2. What existing research areas intersect with this idea?**
Several legitimate research areas tangentially relate to different components:
- Topological approaches to brane cosmology that "elucidate features of different types of extra dimensional setups" and allow "assessment of every possible cosmological brane"
- Mathematical applications in surveying, as "geometry literally means earth-measurement" and "surveyors continue to make explicit use of plane geometry and trigonometry"
- Pawnee sacred geography studies, where "Pawnees would visit sacred sites to make offerings" with most sacred sites "located between the Loup and Republican Rivers"
However, no existing research connects these disparate fields in the manner proposed.
**3. What would be the key obstacles or required breakthroughs?**
The fundamental obstacle is that surveying mathematics involves "engineering applications" to "create mathematical models of engineering projects" operating in ordinary 3D space, while brane cosmology deals with higher-dimensional spacetime where "Standard Model particles are trapped on the brane while gravity accesses the bulk". The dimensional mismatch makes direct mathematical translation impossible. Additionally, the hypothesis lacks any mechanism to connect historical Pawnee landscape navigation practices to modern theoretical physics.
**PLAUSIBILITY rating: [Physically Implausible]**
The hypothesis conflates unrelated mathematical frameworks (elementary surveying trigonometry vs. advanced differential geometry), misrepresents Pawnee cultural practices, and proposes connections that violate basic dimensional constraints in physics.