A sofa has to meet a range of criteria to prove a great buy, and one of those is that it is a shape that suits your room.

There are two sorts of lines that are used to make shapes. These are curved lines. These are straight lines. A two-dimensional or 2D shape is made up of lines. Sometimes the lines are curved and ...

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, ...