This optical illusion will melt your mind – but we have the solution

How the hell do these squares look circular when reflected in the mirror?!


This optical illusion has been driving us crazy. Just how do these rows of squares become rows of circles (and vice versa) when reflected in a mirror? 



It seems impossible and yet there is no camera trickery involved, it really is a genuine optical illusion. So how does it work?

One clever YouTuber reverse engineered the problem, using a 3D printer to create the answer.

Here’s how…


So it turns out the answer is a “squircle”. Now if we can just get our heads round what one of those actually looks like, we can finally start thinking about something else…