I'm SAD

Wired.com

Correction, I have SAD (Seasonal Affective Disorder) which is really just an excuse for my general orneriness when it is overcast. This article is for all of you who, like me, are solar powered.

Fortunately, technology can help you beat the winter blues. In this article, we'll help you spot SAD and teach you how to simulate the sunlight that your brain's been missing.