Creating installations in which sound is made using unusual sources forms a central theme to this work. In one, a huge slowly turning white landscape of war-torn cities is scanned with a small light to pick out textures, heard as screeches, crackling and melancholic sighs. Some explore a more sinister world of a darkened space in which a searchlight scans and reacts to the presence of visitors. Their positions and the nature of the clothes they are wearing determines the actual sound heard - as an abrupt percussive warning or more subtle pounding heartbeat. A large installation of a nuclear reactor core has the exposed ends of corroded metal fuel rods creaking individually and resonating in concert. Another installation has used acoustic 'radar' to make the sound of water from a constantly unfolding book of blank pages.