What’s the colour of the laptop or mobile screen in front of you? Is it white? What if we tell you that it's not really white? Yes, that’s right. You are being fooled into thinking that you’re seeing ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The Vienna team stitched ...

Optical illusions have a way of tricking our eyes and testing our concentration, often turning a simple picture into a playful challenge. At first glance, the image above looks like nothing more than ...