Brain Tests & Experiments

Optical Illusions

Sometimes, our brain sees things different than they are... See for yourself!

Puzzle

The question: Is the center square of stars standing still or moving?

The answer: Click here!

Another question: Is the left center circle larger than the right center circle in the image below?

Puzzle

Another answer: Click here!

Yet another question: Are the horizontal lines parallel, slanting, or curved in the image below?

Puzzle

Yet another answer: Click here!