Back in June we spotted a video that had us flummoxed: a few round-looking shapes appear as squares in a mirror. Rotating them 180 degrees produced the opposite result. Was it wizardry? CGI? Almost a ...

So, OK, optical illusions do tend to seem much more of an unsolvable mystery after, say, your first day back to work after a three-day holiday weekend — but I promise, regardless of when you check ...

You have to see this one to believe it - or not believe it. This optical illusion, that has gone viral on social media, is making people all over the world scratch their heads. And all it uses is a 3D ...

The object in front of me is supposed to be rectangular parallelepiped, but there is a mysterious three-dimensional movie called "cylinder" that is reflected in the mirror "Ambiguous Cylinder Illusion ...

A finalist in the Best Illusion of the Year Contest 2016 (yes, apparently that’s a thing) has racked up more than three-quarters of a million views on YouTube in the past couple of days — and left ...

A perplexing video of what looks like a series of shape-shifting objects has been watched more than two million times on YouTube as internet users struggle to solve the puzzle. 'Girls in the mirror' ...

You probably see a cylinder when you look at the illusion above. But how our brains translate two intersecting sheets of moving dots into a 3D image reveals telling differences in visual perception ...

So first of all, an "Illusion of the Year" contest exists. Let that sink in for second. Cool. Now this year, a finalist created an "ambiguous cylinder illusion" and after watching this mind-bending ...