Knowledge

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

Pareidolia (Seeing faces)

Color Constancy Illusions

Parallax Effect

180 degrees

This photo is upside down. It is a nearly submerged SUV in a lake with many bystanders. After this image was first posted to Reddit in January 2020, it has become a popular meme with the caption: "The difference between a UFO and a female driver is 180 degrees."

click to see the illusion

Credit: geewhipped

This photo is upside down. It is a nearly submerged SUV in a lake with many bystanders.

After this image was first posted to Reddit in January 2020, it has become a popular meme with the caption: “The difference between a UFO and a female driver is 180 degrees.”

More optical illusions:

Sexy Birch

Solar Eclipse

Inappropriately Dressed

Shadow cat

Cats

This photo is not a composite, but rather zoomed in until it is hard to recognize what you are seeing. The orange color on the right is a retaining wall.

Separation

Birds