http://www.electronicsweekly.com/Art...-dull-days.htm
This might be interesting to those of you who have complained about the short battery life of your eReader devices. Now you have all the battery you'll need, provided you occasionally get out of your house. I know there are some of you who never see sunlight!
I really wouldn't mind having something like this on a Nook or Kindle as backup. If this could operate purely on indoor lighting, that would be a bonus. But I can see this being adopted in the future, just like calculators took to solar cells before.