A Cognitive Skill is the ability that enables us to think logically, and to learn, remember, and solve problems. In today’s puzzle series, there is 3D Stereogram Illusion is given with many random ...

A stereogram optical illusion is a fascinating visual puzzle that hides a 3D image within a 2D pattern. At first glance, it appears to be a random collection of repeating designs or colourful dots.

You know those Magic Eye pictures? The ones that, if you stare at it long enough, you can see 3-D (without glasses). Here’s an attempt to … ...