Are these circles are moving or not?
These circles appear to be moving due to illusory motion.
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Your road to Healthy Life
Can you see a baby?
Another great example of an illusory contour!
Does Lincoln’s face look normal?
It seems normal but now, look at it upright: Lincoln’s eyes do not look quite right!
Do you see gray dots at the intersections of the white lines?
There are not gray dots in this grid. However “ghostlike” gray blobs are perceived at the intersections of the white lines.
Are the two horizontal lines of the same length?
The two horizontal lines are of the same length, even though the one at the bottom seems longer.
How many legs does this elephant have?
This picture is an impossible picture that also contains some subjective contours.
Can you put the fish in the fishbowl?
Did you see a fish of a different color in the bowl?
Are the horizontal lines straight or crooked?
The horizontal lines are straight, even though they do not seem straight.
