Comment Been around since the 80s (Score 2, Interesting) 182
This idea is not new at all...
I used to work for a company that holds the original patents on this type of technology (http://www.solatube.com/), and has making these types of things since the 80s. Their product was far less obtrusive, and from the inside looked a recessed can-light, and not the transporter deck from the star ship Enterprise. Their overall luminosity was far greater too, and multiple warehouses and factory floors already use this tech. The technology around carrying light through a tubular structure has become pretty efficient, however the size of the roof perforation and the overall ability of the light to turn sharp corners are the big problem. It's basically impossible to feed these things through walls and reach a second floor. Instead, you have go straight down.
There is however another company that already came up with the idea of using a solar dish to track light, only, they did it much much much more intelligently.
http://www.sunlight-direct.com/
With fiber optics, they can scale down the size of the perforations, go much further distances, and make the lights much less obtrusive. They can even make 90 degree turns (or 180 degree, or 490 degrees if you really wanted too....) with virtually no loss of light.
Just stating the obvious...