Knowledge

Facts, science and history of optical illusions.
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Inferior and Superior Mirages, and Fata Morgana

Can animals see optical illusions? Hosico cat shows it with optical illusion rug

Animals and optical illusions

Bezold Effect

Bent over the desk

A woman bent over a desk with her big butt in view

Source/credit: DrFetusRN

When you have seen the image more than 2 seconds, you will have noticed that this woman is not bent over the desk, and that the big butt is actually just the back of an office chair.

More optical illusions:

Trail Runner Going into the Woods

Dead Man’s Fingers

Nature

Gateway Arch

Landmarks