30 Optical Illusions That Will Make Your Brain Hurt
The Spinning Dancer Illusion
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Communicative Illusions - The Testing Community's Affiliction
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Can you spot the girl in this optical illusion in a minute?
SPINNING DANCER. The trick to see her spin in both directions
The spinning silhouette illusion (aka the spinning dancer illusion
Improved 'solution' for spinning dancer girl illusion
Eleven puzzling optical illusions and how they work - Interesting
The spinning girl illusion but with some lines to help you change the direction she is spinning. : r/oddlysatisfying