REFERRING to the article in NATURE for October 20, may I mention a rather common optical illusion which I do not remember to have yet seen in print. If a gothic arch is unequally divided by a ...

A new optical illusion challenges readers to spot three subtle differences in two nearly identical images within 11 seconds.

An optical illusion is going viral on social media. The image shows the alphanumeric U5A in all rows and columns. The ...

Optical illusions, like grids with hidden odd letters, challenge the brain and enhance cognitive skills. By carefully ...

Optical illusions make us doubt what we see in front of us by testing our perception of perspective, depth, and spatial ...

These kind of optical illusions have long fascinated people ... (including the ones we see in door panels) are often more common than circles in our daily environment, and so the brain favours ...

Unlike the more common approaches of studying illusion ... would potentially decrease the hazards of optical illusions, in situations like driving for example. For 42 years, Sugihara has worked ...

There is one odd word out in this seriously mind-boggling optical illusion, but you will only be able to spot it hidden amongst the others if you are an absolute genius ...