My friends at the Clean Energy Project have started a second stage that focuses on quantum chemistry calculation. You might recall [previously: here and here] that the Clean Energy Project consists of screen saver that allows you to donate computer time to do calculations to discover better materials for solar energy.
You can find some nice instructional videos on how to donate your computer time to help discover the next generation of photovoltaics here.
Time flies like an arrow. Fruit flies like a banana.