A professor at the University of Texas at El Paso, David Novak, published a curious optical color illusion on his page. A scientist has been working with color for a long time and knows a lot about his perception. This is exactly what allowed Novak to create simple but interesting images. It’s only with their help that he deceives our brain – you don’t immediately understand that reality is different from what we see.
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There are two image options. One provides for volumetric figures, and the other is flat. The color of the balls is the same in both cases, but we don’t see it due to the multi-colored stripes.
It is their color that affects the perception of the main figures. The “multi-colored” balls are actually of the same color, which cannot but surprise.
And this illusion has become so popular that it quickly spread across the Internet. This effect is called the Manker-White Illusion. David Novak himself called this illusion “confetti.”
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The professor noted that the effect does not work with a stretched image. Those who clearly see a circle of the same color should reduce the size of the picture. On the contrary, to prove the same color of the circles, you just need to stretch the image to the full screen.