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Circles or squares? It depends on your point of view


Clever design and careful construction make these dazzling illusions possible



Professor Kokichi Sugihara, a doctor of engineering at the Meiji Institute for Advanced Study of Mathematical Sciences in Tokyo, produces three-dimensional objects that wreak havoc with your sense of spatial perception.

By cunningly exploiting the ways our visual system interprets cues to build a mental model of our surroundings, the precise geometry of Sugihara’s “anomalous objects” will have you doubting the evidence of your eyes.

Curated content from the editorial staff at Cosmos Magazine.
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