Well, you are not the only one because such optical illusions commonly take place when your brain wrongly interprets what ...

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

This illusion – named Pinna's Illusory Intertwining Effect – first appeared in Shifts of Edges and Deformations of Patterns written by Baingio Pinna and Richard L Gregory, an academic journal ...