Fan blades are dangerous. So dangerous, in fiction, that if you get too close, even a humble household ceiling fan might take your head clean off. Sometimes the blades are sharp or serrated, but the most blunted of fans turn into deadly shredding machines when moving fast enough. This is Truth in Television to an extent, as fans can be very destructive and very deadly; after all, this is the same principle on which a blender or lawnmower operates. That said, in fiction this effect tends to be greatly exaggerated. Examples of Deadly Rotary Fan include: