Geometric
Café Wall Illusion
First documented on the tiled wall of a Bristol café, staggered rows of black and white tiles separated by a neutral mortar line trick the visual system into seeing diagonal slopes.
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Visual Perception
Interactive, programmatically rendered optical illusions. Manipulate mathematical parameters in real-time, reveal underlying visual truths, and uncover the neurological mechanisms behind human sight.
Geometric
Ebbinghaus / Titchener Circles
Surrounding a central circle with large outer circles makes it appear smaller, while surrounding an identical central circle with tiny outer circles makes it appear significantly larger.