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Previous episode Lightness and contrast: why the same grey can look like two greys

How perception works: why what you see is your brain's best guess

Depth in a flat picture: why two identical table tops look different

Two table tops in a drawing: one long and thin, one almost square. Measure them, and they are the same. How does a flat picture fool you so well?

  1. 1 Miva holds up her drawing of two tables. Rono, who builds them, needs one look: the left top is long and thin, the right one almost square.Long and thin.Almost square.MivaRono

    Miva holds up her drawing of two tables. Rono, who builds them, needs one look: the left top is long and thin, the right one almost square.

  2. 2 Look at them yourself. The two tops are the same shape and the same size: one is the other, turned. Can you see it?

    Look at them yourself. The two tops are the same shape and the same size: one is the other, turned. Can you see it?

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