Read this article on LighterFootStep about the new SunRGI concentrated solar product.
![solar power](http://www.brunozzi.com/uploads/2008/05/2008-05-05_sunrgi_module_sunpower.jpg)
The principle is old and simple: concentrate solar power, using magnifying lenses, and put a photovoltaic cell under it.
They added a cooling heat sink to dissipate the enormous amount of heat generated.
Watch this video for a demonstration:
Hope to see this technology soon! Maybe it will save us from Data Center pollution.