How the portal illusion works
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The first 100 people to use code SCIENCE at the link below will get 60% off of Incogni: https://incogni.com/science This is a development of the barber pole illusion and is related to a few other illusions like the Mephisto Spiral (the spirals that won't come apart), the illusions ring and the rolling rings illusion. Ada Cohen's 3D projects can b...
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