Friday, 12 June 2020


From the Hungarian diminutive form of sphere, this distinctive though not uniquely-shaped geometrical construct (see also) has like a Weeble (which wobble but they don’t fall down) or the bumps on the shell of a tortoise the property of righting itself and is defined—when sitting on a flat surface—as having one stable and one unstable point of equilibrium for resting and rocking.