Fiber Bubbles by Alejandro Sales, Barcelona, Spain. Here the bubbles are to capture and use the light as a enhancer vs. to hold the actual light, as so often with pendant lights. Here they are more akin to the crystals on a chandelier.
Chris Clavio, "Light Pyramid Sculpture", a sculpture comprised of a projector that illuminates a high-contrast image across a projection space and surface. Chris presents his works on his website, Clavion Unlimited.