As you can see, (as can be seen from the animated solution below )- it turns out each dot moves independently, up and down along a straight line. I presume the toughest part (for the unknown author) was to get them all synched-up, forming a perfect circle as they move. It’s a really nice optical illusion, one that greatly reminds me of our recent “Circling Flower“. What do you think? Is it effective?

ILLUSION 567

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By observing this animated image you may fall under the impression that all of the dots rotate together simultaneously forming a spinning circle as they move along. But look at what happens when I map their trajectories, and make their paths visible.

As you can see from the animated solution below - it turns out each dot moves independently, up and down along a straight line

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