While violet hits your eye with a specific wavelength, purple only exists in your perception — a clever construct built from ...

In this mind-bending puzzle, there are three numbers that are visible - 21, 22, and 23. But there is a third number in this ...

While most of the time our brain processes what our eyes see, there are instances when this powerful organ fails us. We selected a few optical illusions to test your perception of reality.

They happen when the eyes report to the brain information that does not match the real thing, causing errors in size, shape, color, or movement. Optical illusions can be categorized into several ...

Take a closer look at the arrangement of the tires and the patterns they form. Look for subtle changes in texture or shape that might indicate the presence of the bird. Scan the image systematically, ...

One such case is of a 1.5-year-old wonder boy from Bulandshahr, Uttar Pradesh, whose eyes change colour based on his clothing. Yes, you read that right! Is it an optical illusion, or is he an ...

Optical Illusion: Illusion is derived from the Latin word illudere, which means to mock or trick. Therefore, the basic premise of an optical illusion is to deceive the human brain by tricking it.

Visual illusions ... moving your eyes back and forth between different regions, or by blinking. Every time you move your eyes or blink, your pupils "reset", leading to small changes in their ...