A Degree of Darkness (2015) ‘Intelligent Machinery’, Farmleigh Gallery, Dublin polarisers, sellotape, wood, glass A deetail of 'A Degree of Darkness’ installation shown as part of 'Intelligent Machinery’ at Farmleigh Gallery. The same object appears in both images - the image on the left showing the blackening of the icosahedron when viewed through a polarising filter.