Watch The Light Touch Dust Nebula (2001) : Full Movie Online Free The Light Touch Dust Nebula is a hand-painted film, optically printed with carefully controlled temperature and lighting. Thermotropic (temperature sensitive) liquid crystal paint applied to decayed film changes from red to blue with heat. In-camera optical effects expose the contrast between the two extremes. This film exposes the warmth of light and its birth to form and motion in cinema.