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 in the Psychology Department of City University, London, were provided with assignments to measure their Introversion-Extroversion orientations by the time it took for them to switch between the Front and Back perceptions of the Necker Cube. The orientation of the Necker cube can also be altered by shifting the observer's point of view. When seen from apparent above, one face tends to be seen closer; and in contrast, when seen from a subjective viewpoint that is below, a different face comes to the fore. The Necker cube is discussed to such extent in Robert J. Sawyer's 1998 science fiction novel