The center circles are both the same size.
The diagonal lines are parallel.
There are no gray spots at the corners of the squares.
The red squares are the same color
in the upper part and in the lower part of the "X"
in the upper part and in the lower part of the "X"
Rotating Wheels
The circles appear to rotate when you move your head closer and further away from the screen while looking at the dot in the center.
The circles appear to rotate when you move your head closer and further away from the screen while looking at the dot in the center.
Perpetually ascending staircase.
How can the man go up all the time and come back to the same place over and over?
How can the man go up all the time and come back to the same place over and over?
Warped Square?
There are no curved lines in this figure.
Wavy Squares? No!
The background of concentric circles makes the squares appear distorted.
The background of concentric circles makes the squares appear distorted.
There are only white circles at the intersections
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