"Our understanding of shadows has developed hand-in-hand with our understanding of light and optics," said Abrahao ...

But the key to this build is in the 16 pieces of side-glow plastic fiber optic tubing. Side-glow is designed to let light escape along the length of the tube as opposed to end-glow, which is made ...

Decades ago, Leica, an industry leader in cameras and optics technology, developed a laser distance ... I used them side by side in rooms with different light conditions, on multiple surfaces ...