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education.decodee on Instagram: "- The video demonstrates a series of optical illusions involving 2D shapes that appear to change size or position when manipulated, leveraging principles of perspective and visual perception rather than actual physics. The first illusion shows two parallelograms that seem to alter in size when rotated, a phenomenon explained by the Parallelogram Illusion, where identical lengths can appear different due to angular orientation (Wells, 1991). - The second illusion