He used commercially available neon light tubes as the raw materials for his light sculptures, which were made to be placed in specific locations. (artspace.com)
We've done that before with a solar light tube on a master bath project, and our clients loved it! (theletteredcottage.net)
Shame it didn't lead to a way to bring in more light — maybe one of those solar light tubes some day? (theletteredcottage.net)