plastic
1 of 4 from Photos: Hybrid solar lighting
Sunlight Direct's system takes outdoor light and distributes it via plastic fiber-optic cables inside buildings.
August 30, 2006 4:00 AM PDT
Photo by: Sunlight Direct
Sunlight Direct's system takes outdoor light and distributes it via plastic fiber-optic cables inside buildings.
August 30, 2006 4:00 AM PDT
Photo by: Sunlight Direct