by rev087 on 8/27/12, 2:45 PM with 1 comments
by lutusp on 8/27/12, 3:40 PM
It's very pretty, and it may actually be intended as a work of art. But it's not efficient technology.
Here is an optical analysis of a sphere used as a lens -- the light doesn't converge to a single point, which is why spheres are more decorations than lenses:
