17 Optical Illusions That Will Melt Your Brain

10. Grey Dots

Black Balls Your mind creates grey dots over the white circles in this image. If you really want to confuse your brain, genuinely try and count them by looking at each individual grey dot.

9. Vector Spirals

Vector Spirals Look at this image carefully, then try and trace your finger all the way around the spiral to the centre of the image. You might have some difficulties.
 
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