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Donut Illusion on Moon

Mmmmm, donut illusion

A donut on the Moon leads to a brain-bending optical illusion.

By Phil Plait 12 months ago

Expanding Hole Illusion

This dark tunnel illusion tricks your body and your mind

Even our own brains can't be trusted, but that's mostly a good thing.

By Cassidy Ward 1 year ago

Phil Plait Bad Astronomy rotatingsnakes_simple

I swear these illusions aren't moving. Your brain will say otherwise.

By Phil Plait 1 year ago

akiyoshi_color_squares

Orange you glad I have another optical illusion to confuse your brain?

By Phil Plait 1 year ago

scintillating_star

Trippy new type of optical illusion will have you seeing starbursts, no kaleidoscope needed

By Elizabeth Rayne 1 year ago

A color contrast optical illusion makes it look like the balls are different colors. In reality they are all the same color and shading. Credit: David Novick, used with permission

Another brain-frying optical illusion: What color are these spheres?

By Phil Plait 3 years ago

An optical illusion created by Kohske Takahashi: All the lines are smoothly curving sine waves, but their shading and contrast with the background makes them appear to be sharp zigzags. Credit: Kohske Takahashi

An optical illusion that will zigzag your brain

By Phil Plait 4 years ago

A 3D printed sculpture appears to wiggle and move when spun and lit by a strobe light on video. Credit: John Edmark, from the video

Aliasing illusion makes 3D sculptures wiggle and gyrate

By Phil Plait 5 years ago

Pulsating star illusion will have you questioning reality

By Phil Plait 5 years ago

A view of a region of northern Siberia from the Sentinel-2A satellite… but all is not as it seems. Credit: ESA

Siberian Illusion

By Phil Plait 5 years ago