galaxy_decodee on Instagram: "The instagram post by @cariakuu_ features a video of a person holding what appears to be a 3D Rubik's Cube, but it is actually a 2D optical illusion. The illusion is created by a series of flat, colored squares arranged in a way that tricks the viewer's perception into seeing a three-dimensional object. This type of illusion leverages the brain's tendency to interpret 2D images as 3D, a phenomenon studied in cognitive psychology, particularly in the work of research