A new proof reveals the answer to the decades-old “moving sofa” problem. It highlights how even the simplest optimization problems can have counterintuitive answers.

The corner sofa is elevated off the floor with tall ... The contemporary L-shaped modular sofa is, in fact, made up of four units, including a footstool, which allows for versatility.

Elevate your living room lounging, with one of these tried-and-tested corner sofas ...