For the Visual Perception test, in fact, there are many ways, but practising optical illusions in a daily routine improves ...

So, now you all know where the Hummingbird is hidden, and by solving this optical illusion, you all have enjoyed it. By ...

Our perception of how large or small things are in the world is systematically influenced for how we perceive distance or depth. This is most famously shown by the Ponzo Illusion (discovered by Mario ...