You know an optical illusion is particularly good if it gets people wound up enough to argue. Now one "trippy" example is having exactly that effect. At first glance, the image looks like a beach ...

Don't believe your eyes! These trippy optical illusions make identical objects appear different colours - here's how they trick you. Scientists explored numerous 'simultaneous contrast' illusions ...

In today's optical illusion challenge, we bring you a tricky brain teaser—find the lone number 59 hidden amongst other numbers. This eye test puzzles many, testing your visual perception and ...

Thanks to a rare and trippy optical illusion, the sensation of being followed may not be just in your head after all. In a viral video shot on a picturesque nature hike, an otherworldly shadow ...

7 trippy optical illusions that reveal how your brain perceives reality . ... If there’s one thing optical illusions can teach us, it’s that we can’t always believe our eyes.

In this animal-based optical illusion, viewers are challenged to spot the camel within the spectrum of colours. But only specific people will see it. In this animal-based optical illusion, viewers ...

This trippy optical illusion comes from Rainbow Riches Casino. They showed 80 people the picture, and less than half of them were able to spot the secret message. Rainbow Riches Casino.

Optical illusion crosswalks are trippy, but they could make street crossings safer. By Chris Smith. Updated Dec 19th, 2018 9:16PM EST. Image: cityphile.com.

Only ‘3D brains’ can spot the camel in this trippy optical illusion. In this animal-based optical illusion, viewers are challenged to spot the camel within the spectrum of colours.