Wolfram Demonstrations Project
Optical Illusions
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Demonstrations 21 - 40 of 51
Are the Lines Parallel?Linking Two RingsWertheimer-Koffka RingCircular RectangleOverlapping Rings
Are the Lines Parallel?
Linking Two Rings
Wertheimer-Koffka Ring
Circular Rectangle
Overlapping Rings
Contrast IllusionHalf-Tone ScreensLength, Width, and Height of an Impossible ObjectLight on an Impossible ObjectThe Mystery of the Disappearing Square
Contrast Illusion
Half-Tone Screens
Length, Width, and Height of an Impossible Object
Light on an Impossible Object
The Mystery of the Disappearing Square
Müller-Lyer IllusionRetrograde Motion Illusion for an Electric FanSpiral or Not?Concentric CirclesUpside Down Words
Müller-Lyer Illusion
Retrograde Motion Illusion for an Electric Fan
Spiral or Not?
Concentric Circles
Upside Down Words
Penrose TriangleSpeed Regulation for Visualization of Elementary Cellular AutomataWheel IllusionBullseye IllusionHering Illusion
Penrose Triangle
Speed Regulation for Visualization of Elementary Cellular Automata
Wheel Illusion
Bullseye Illusion
Hering Illusion

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