Using a computer model of the retina, researchers have been able to trace the cause of the expanding hole illusion ...

Clever fashion styling tricks can easily make anyone appear taller. Elongate your legs and body with these optical illusion ...

The Expanding Hole illusion has been around for a while and never fails to mesmerise. In a study, researchers showed this illusion to 50 participants. For a whopping 86% of them, the black "hole ...