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Magic Window

Children's Playground

★Exhibit Content: Science popularization of geometric optical illusions ★Interaction: Mechanical interaction ★Operation: Slide the push board to observe the railway track line segments and compare the actual lengths of the two segments; push the sliding cover to observe the color changes of the squares; pull the device on the right to observe the visual illusion brought by the pattern. ★Exhibit Description: The exhibit consists of multiple wall-mounted white boxes, sliding push boards, and optical illusion pattern panels, and is a recommended exhibit from the PopsciCat Exhibit Store. The exhibit includes three classic optical illusion images: the railway track length illusion, the checker shadow illusion, and the color block splicing illusion. Visitors manually push and pull the sliding covers and move the push boards to break the misjudgments caused by visual experience. The length and color differences intuitively seen by the naked eye will be found to be completely identical in size and color under the comparison of the sliding covers, experiencing the wonderful deviation brought by the brain's visual cognition in fun interaction. ★Scientific Principle: Geometric optical illusion refers to the visual phenomenon where the perceived length, color, and area of a figure do not match the actual physical parameters of the object when the human eye observes it. Human visual judgment is disturbed by factors such as environmental reference objects, past life experiences, and automatic brain filling, resulting in cognition inconsistent with objective facts. This type of illusion is a visual deviation produced by the combined action of physiology and psychology. Not only humans experience it, but artificial intelligence also produces similar optical illusion judgments affected by picture composition during image recognition.

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Principle Display: ★★★★ Interaction Effect: ★★★★ Ease of Installation: ★★★★ Durability: ★★★ Overall Rating: ★★★★

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