Test your eyesight with a challenging optical illusion that requires you to spot the real owl among soft toys in just 7 ...

Having become one of the great cultural events in California, PST ART advocates dialogue between both disciplines with an ...

This illusion demonstrates how our brains can overlook subtle details, challenging our perception. Do you think you have sharp vision and an eye for detail? Well, this mind-boggling optical ...

Amid a grid full of the letter B, a single number 3 is hidden, challenging viewers' observation skills. This optical trick ...

We review basic principles of modern optical magnetometers, discuss fundamental limitations on their performance, and describe recently explored applications for dynamical measurements of ...

A color vision test shows good correlation with cone and cone-rod dystrophy biomarkers and may offer a cost-effective replacement for ERG.