The McCollough Effect
This illusion is a visual phenomenon in which the colorless gratings appear to be colored depending on their orientation.
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These Mindbending Optical Illusions Will Break Your Brain
The More You Know
- Saturn is the only planet in our solar system that could float in water.
- A reindeer's eyes can change colors with the seasons.
- The world's most toxic mineral is cinnabar.
- You make approximately a teaspoon of tears per hour.