and then we have a complementary newer artwork called "raylights" by craig newswanger that uses morechnologies like leds and computer-based programing. but similar to "enchanted tree," visitors can create noise and those ray lights will respond to them. so we're really thrilled to have an artwork, "entangled attraction" by oakland-based artists sally webber and craig newswanger. and it is a space that has over 300 light sources in it that, when you sit below them, are moving somewhat chaotically. and as you let your eyes sort of be taken over by what's happening above you, you begin seeing shapes and other things that are caused by persistence of vision. and then we have the moon, which is always an audience favorite. we love bringing it back for glow. and that's a work by luke jerram. and he used data from nasa to create a photorealistic moon that now hangs in our gallery. >> we know these artworks are related to light, but then when we learn the depth of how these artists explore light and bring light into their artwork, we are constantly amazed and impressed by the rigor and thoug