In her latest exhibition Switch Kathryn Stevens combines elements of architecture, origami and landscape to create abstract works which explore the connections between shape, colour and perception.

Kenneth Noland, the abstract artist whose sensitive approach to color helped define and establish the Washington Color Field school of painting, died Tuesday at the age of 85 at his home in Maine.

If I asked you to imagine an apple, what would you see? Some of you would probably picture a fruit in 3D and colour, so realistic you could almost touch it. Others may only visualise a 2D line-drawing ...