Before revision: 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.
After revision: 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.