If you don’t know what a nacelle is, don’t worry – most people, even in the energy business, don’t.

Although it sounds like some sort of mythic creature, a nacelle is actually a device in a wind turbine that allows it to turn and maximize the amount of wind power it garners. The people at Siemens take that basic explanation and turn it into a (beautifully shot, documentary-style) video, which they’ve allowed us to feature here: