James became an associate of Greyworld who in 2004 produced "The Source". His involvement included initial visualisations, engineering development, manufacture and the installation.

The Source, a eight storey high kinetic sculpture, is the new symbol for the Stock Exchange. Every morning, millions of viewers around the world will watch the installation come to life, signifying the opening of the London Markets.

The Source is formed from a grid of cables arranged in a square, 162 cables in all, reaching eight stories to the glass roof. Nine spheres are mounted on each cable and are free to move independently up and down its length. In essence the spheres act like animated pixels, able to model any shape in three dimensions.

More information on the greyworld website