Hyperbolic paraboloid, made by Fabre de Lagrange, France, 1872. Formed by strings attached to two bars equally spaced, each turns on an arm perpendicular to itself and one arm swings on a pillar; ...

Your average, unsullied Pringle is a hyperbolic paraboloid; its equation is (x ... Scientists were thus forced to reconsider the taco shell formula. (Taco shells have a formula.) ...

With his expertise in chemistry and math, scientist Fred Baur invented potato chips in the shape of a hyperbolic paraboloid. Lightweight chips like Pringles can fly off the conveyor belt. This shape, ...