If you look at the spinning girl's silhouette below, you will think it is spinning clockwise, probably. When you check her shadow below, momentarily the spinning direction changes in your mind, and now the girl is spinning counter-clockwise.
My mind refused it at first, and told me it was animated to spin the other way. Now I can trick my mind into spinning it which ever way I like. At the moment, she's constantly jumping back to start with her back to us, facing away, with her leg always coming from the back to front (spinning clockwise from back to front, then instantly jumping with her leg furthest away again, spinning anti-clockwise from back to front)!
1 comment:
This is MY theory:
It’s just a shadow. You can’t really tell if the image is facing forward or backward, but since we are used to people looking at us, our first impression is that the dancer is looking at us. The dancer’s leg is moving left, stops, right, stops etc. If on the split-second your eyes saw the image, the dancer’s leg was moving left - you would think that she was spinning clockwise. If it was moving right - you would think that she was spinning counter-clockwise. From that point, your brain had already decided which direction the dancer was spinning and it would be very difficult to change your mind without looking away. It is about the exact split-second your eyes first saw the image.
How’s my theory?
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