This trippy image appears to be a pigment enigma. Puzzle lovers are straining their brains over this optical illusion, which reportedly fools the viewer into thinking that they have gone colorblind.

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Before jumping on in we have one question on our minds: what is an optical illusion? Optical illusions are visuals that tend to be deceptive to the eye and brain. This is based on numerous factors ...

So I've read in more than a few places that color doesn't exist outside our heads, it's just wavelengths of light. That our brains are the things that make color, same with sound (which is just ...

We're captivated by optical illusions of all kinds, whether they're accidental or created intentionally to trick our perception. And if they generate a nerdy debate about colour, all the better. Over ...

Perception researchers have long known about the structural and functional features that differentiate our central vision from our peripheral vision. The central (or foveal) region of our retinas are ...

A color illusion that strongly induces color contrast effect has been found by a research team at the Toyohashi University of Technology Department of Computer Science and Engineering, and Electronics ...

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Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...