Rhythmic waves of brain activity cause us to see or not see complex images that flash before our eyes. An image can become practically invisible if it flashes before our eyes at the same time as a low ...

Optical illusions to find the hidden objects and numbers are effective at revealing your brainpower and visual IQ. How sharp are you at noticing details that others often miss? Take this optical ...

An Optical Illusion is a fun way to challenge our minds to think out-of the box. It requires deep visualisation to think and analyse the given illusion. As per Claus-Christian Carbon, Professor at the ...