From search of external encyclopedias:
Berger's sphere (Computing) [Spheres] [Riemannian geometry] ...
Sphere (Computing) [Spheres] Venue; Entertainment venue in the Las Vegas Valley, U.S. ...
Bounding sphere (Computing) [Spheres] [Geometric algorithms] Sphere that contains a set of objects ...
Quasi-sphere (Computing) [Spheres] [Multi-dimensional geometry] A pseudo-Euclidean space , denoted , is a real affine space ...
Midsphere (Computing) [Circle packing] [Spheres] [Polyhedra] The radius of the midsphere is called the midradius. A polyhedron ...
Ideal polyhedron (Computing) [Hyperbolic geometry] [Spheres] [Polyhedra] Shape in hyperbolic geometry ...
Radius (Computing) [Length] [Circles] [Spheres] Segment in a circle or sphere from its center to its ...
Spherical polyhedron (Computing) [Spheres] [Polyhedra] Partition of a sphere's surface into polygons ...
Kepler conjecture (Computing) [Packing problems] [Spheres] [Conjectures that have been proved] Math theorem about sphere packing ...
Homotopy groups of spheres (Computing) [Spheres] [Homotopy theory] How spheres of various dimensions can wrap around each other ...
Spherical trigonometry (Category) [Spherical geometry] [Trigonometry] [Spheres] ...
Ulam's packing conjecture (Computing) [Spheres] [Conjectures] [Packing problems] That is, according to the conjecture, the ball is the convex ...
Sphere packing in a cylinder (Computing) [Crystallography] [Discrete geometry] [Spheres] Three-dimensional packing problem ...