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Knowledge Cats Dirty Minds
Shadows the tag: Cognitive Illusions Ghosts

Knowledge

Facts, science and history of optical illusions.
See all the articles or scroll down to see what you came for.

Superior mirages

Inferior and Superior Mirages, and Fata Morgana

Parallax effect

Parallax Effect

Locomotives in their natural habitat

Pareidolia (Seeing faces)

The same image

concave and convex

Source/credit: EndersGame_Reviewer

The photos on the left and right are the same image, just rotated. The reason that we see the one on the left as concave and the one on the right as convex is because our brains assume that light is coming from above. 

More optical illusions:

Screw hole
Escher drawing IRL
Strained Expression
Floating helmet and wheel
Exotic Bird
Pipe Cleaner Arms
Dinosaur Bird
Shark Attack
  • Pareidolia
  • Physical illusions
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Lego bed

A Lego bed

Objects

Pisa tower on the right leans more

Which one leans more?

Landmarks