Nature has a mischievous side, and sometimes it loves to play tricks on our eyes. The world is full of illusions that look too strange to be real, yet they´re all natural or naturally captured. These ...

Optical illusions are not merely tricks or viral brain teasers, they reveal the curious disconnect between what we see and what our brain interprets. A flat drawing might come across as ...

Add Yahoo as a preferred source to see more of our stories on Google. Professor José Azaña and Benjamin Crockett. (CREDIT: INRS) Bright background light can do more than clutter a quantum experiment.

The optical illusion seen above makes the viewer feel as if they are falling into an expanding hole – and now we have a good explanation for why this happens. Optical tricks can be caused by different ...

The art of optical illusion has been an integral part of painting since antiquity when it was used as a yardstick by which to judge an artist's level of mastery. This book presents a fascinating ...