The original imagepic.twitter.com/PKKMd7Eqdd
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A demo of the continuous expansion illusion from a single imagepic.twitter.com/DFJ07Ng2CL
You could try a Shepards tone as a soundtrackhttps://www.youtube.com/watch?v=BzNzgsAE4F0 …
What do you mean continuous? When it turns back to normal colors it appears to rotate back clockwise.
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