http://vimeo.com/82189556
Looks cool and doe snot ruin whole house roofs with those terribly looking dark grey plates.
In the German article I found this, they say the light reaches the embedded mini solar panels within the sphere with 20,000 times as much intensity. The tehzcno9logy right now is so efficient that they can use these things to win electricity from
moonlight.
Wowh, if that is true, these things would be quite a step forward.