Classic Optical Illusions These classic optical illusions can fool your eyes They certainly don't look it, but the horizontal lines are actually all parallel! The lower half of the red X looks darker than the top half, but they are actually exactly the same colour! Which centre line is longer? Actually, they are exactly the same length! The dot in the centre on the left looks bigger than the one on the right. Actually, they are exactly the same size! The long lines appear to be jumbled at various angles. Really they are all parallel! Do the heavy lines above and below the sunrise bow out away from each other in the middle? No, they are really both straight and parallel ! 2014-04-02
