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The spinning dancer is a kinetic, bistable optical illusion resembling a rotating female dancer. The Spinning Dancer, also known as the Silhouette Illusion, is a kinetic, bistable, animated optical illusion originally distributed as a GIF animation showing a silhouette of a pirouetting female dancer.
Image:Right spinning dancer.gif and Image:Left spinning dancer.gif--Muhammad (talk) 15:15, 14 February 2008 (UTC) Support Well executed illusion, fascinating when it works. vlad§inger tlk 03:22, 15 February 2008 (UTC) ADDITIONAL INFO and help to "reverse" can be found here - this site states it's indeed "difficult" to get reversal. Also, note ...
Aquatic reptiles such as sea turtles (see also turtles) and extinct species like Pliosauroids predominantly use their pectoral flippers to propel themselves through the water and their pelvic flippers for maneuvering. During swimming they move their pectoral flippers in a dorso-ventral motion, causing forward motion. During swimming, they ...
The Spinning Dancer is a kinetic, bistable optical illusion resembling a pirouetting female dancer. The dancer can be seen to be spinning alternately one direction, or the other. In visual perception, the kinetic depth effect is the phenomenon whereby the three-dimensional structural form of an object can be perceived when the object is moving.
Is this a duck or a rabbit? Is this a head-and-shoulders portrait of a young lady, or a close up of an old woman's face? At first you'll see one or the other and think it's obvious, then you'll see the other and realize that it's an illusion. Same with the spinning dancer. It is spinning both ways, it's all in how you look at it.
A species of mudskipper (Periophthalmus gracilis)Fin and flipper locomotion occurs mostly in aquatic locomotion, and rarely in terrestrial locomotion.From the three common states of matter — gas, liquid and solid, these appendages are adapted for liquids, mostly fresh or saltwater and used in locomotion, steering and balancing of the body.
Duck face, a popular gesture among teenagers which involves puckering lips. The gesture is often used as a "funny face" when taking pictures. Fish lips: sucking the lips in a manner that makes the mouth look like one of a fish.
A purple duck that wears a white sailor's hat and is one of the main characters. Quacula: Heckle & Jeckle: Filmation: A pale blue duck with a Daffy Duck-like beak and fangs, dressed in a blue jacket and a black cape with a red lining. Quacker: Tom & Jerry: MGM: Quacker talks a lot compared to Tom and Jerry. In many episodes, he is the only one ...