“Once you learn a few tricks about how to demystify patterns you will understand how to see through the illusion and make your own. This class will have you creating eye-catching optical illusions and ...

If you're a fan of optical illusions, you'll love this simple how-to tutorial from the maker of the infamous Spanish castle illusion above, John Sadowski. I was amazed that it's so simple to make ...

A study found that radiologists who have years of training to ignore visual distractions were less susceptible to the Ebbinghaus illusion.

Some optical illusions require creative talent. You have to draw spirals, and pick the right ... just about anything can mess it up, even a simple grid. Two illusions prove exactly that.