Solar Powered Window Socket designed by Kyuho Song & Boa Oh - The Window Socket attaches easily to any window, harnesses solar energy from its location, and transfers that energy into an internal battery.
Cd solar panel - although I hate ehow articles cos they make you look at each page (and its myriad ads).
Green Energy Tips That Can Save You Money Today! Have you considered joining the green energy revolution, but don't know what you need to do to get started?
How to Make Solar Cell in Home: 8 Steps (with Pictures) - wikiHow