In this Brusspup mind-bender, you may think you see a circle of eight white dots rotating around the inside of a larger red circle, but you’re actually witnessing something else, and you may not believe it unless you see it explained… but then you still might not believe it.

To quote Phil Plait: “For most illusions there’s a moment when your brain can see what’s going on and the illusion shatters, but not with this one.”

Related watching: more optical illusions, including Kokichi Sugihara’s impossible motion illusions, as well as Brusspup’s amazing anamorphic illusions and the Amazing T-Rex Illusion.

via Bad Astronomy.

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