Research Paper (Warning: PDF) So, Hack a Day readers, which one of you is going to make your home-brew solar panels first? Let us know when you do.

With home energy bills outstripping both inflation and wage growth, it's not surprising that some people are gazing into the sky and thinking of all that free solar energy. But there are a lot of ...

A solar panel array may look passive and innocent, but it's generating enough electricity to power a home, and all it takes ...