Benham's disk is a simple illusion with a spinning circle, half black, half white streaked with short black lines. There is no color involved, and yet, ...

There's no dress this time - just a simple black-and-white banana. But this optical illusion uses what's called the Fechner effect to convince your brain that it's seeing colours where there are none.

From shifting colours to phantom rays, these five challenges reveal how easily your mind can be fooled by light, contrast, and clever design.

In fact this is a black and white image which uses a method to trick your brain. Once you find out how it is done, the colour begins draining away. For optical illusion is created by printing ...

Science; Optical illusions; Optical illusion tricks your brain into thinking black and white photo is colour The illusion features a photo of several people, and appears to be in colour.

Optical Illusion: A seemingly simple black and white sketch of trees has put people's brain and observation skills to the test. How many animals can you spot in the viral optical illusion?

This picture is in black and white! The optical illusion that tricks your brain into seeing monochrome as COLOR. Optical illusion appearing to show colours in a black-and-white picture goes viral ...

The optical illusion that tricks your brain into seeing colour Source: YouTube/BBC. Squint at the weird ‘false colour’ image of the castle above for 30 seconds, and you can see the black-and ...

THIS incredible optical illusion will trick your brain into seeing a monochrome colour scheme – but not everything is black and white. The mind-boggling clip fools your brain into seeing colo… ...

Every so often, an optical illusion goes viral on the Internet and makes us question our own eyes. ... While the image is black and white, coloured grid lines have been placed on top of it.