The reactor pressure vessel composed of sphericaltop and lower heads, upper and lower flanges, bolts, cylinder and two O-rings, as a static indeterminate system has been studied.
The bulge of our spherical Earth blocks sunlight from the far hemisphere at the solstices; that same curvature allows the sun's rays to spread over more area near the top and bottom of the globe.
Building is close to the rectangular building, high square five layers, plus the top half spherical layer top food have seven layer, steel frame structure.