Necker Belle Necker Belle The Necker Belle is a 105-foot (32 m) private charter catamaran yacht, offered through Virgin Limited Edition and based at the resort Necker Island. The "Belle" superyacht is one of the few luxury sailing catamarans in the world. Prior to being purchased by Richard Branson's Virgin, the yacht was called "Lady Barbaretta", and cost £5.3 million for Branson to obtain. It required a two-year refit to emerge as the Belle, operates with a crew of seven, and is currently captained by Captain Piers Helm. The refit won the "2010 best new refit" at the World Superyacht Awards. The
Necker cube Necker cube The Necker cube is an optical illusion first published as a rhomboid in 1832 by Swiss crystallographer Louis Albert Necker. It is a simple wire-frame drawing of a cube with no visual cues as to its orientation, so it can be interpreted to have either the lower-left or the upper-right square as its front side. The Necker cube is an ambiguous line drawing. The effect is interesting because each part of the picture is ambiguous by itself, yet the human visual system picks an interpretation of each part that makes the whole consistent. The Necker cube is sometimes