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Optical Illusions. Ms. Scales. Are the lines straight or slanted?. Is the yellow or the green on top of the cubes?. The vertical lines are straight. (Honest!). Stare hard at this for a minute. Then close your eyes, and you will see red squares on a green background.
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Optical Illusions Ms. Scales
Stare hard at this for a minute. Then close your eyes, and you will see red squares on a green background.