Sensory Threads: Perceiving the Imperceptible - Nick Bryan-Kinns; Demetrios Airantzis; Alice Angus; Robin Fencott; Giles Lane; Frederic Lesage; Joe Marshall; Karen Martin; George Roussos; Jenson Taylor; Lorraine Warren; Orlagh Woods (Intelligent Environments 2009 - Proceedings of the 5th International Conference on Intelligent Environments - Barcelona, Spain 2009, 2009)