If you want to have a go at creating your own illusion, take a look at our guide on how to download Photoshop so you have the tools to make your op art or check out our guide to the best monitors for ...
If you're after more mind-bending illusions, check out the simple number optical illusion that well and truly broke my brain.
While ChalkFest will see artists of all skill levels creating colorful and vibrant works on the sidewalks of National Road Commons Park on Saturday, the Mad River Art League will offer a complementary ...