These Mindbending Optical Illusions Will Break Your Brain

Color Constancy

Color constancy is a feature of human color perception, ensuring the perceived color of objects remains relatively consistent regardless of varying illumination. For instance, a green apple looks green to us at midday beneath white sunlight, and also at sunset when the sun is red. This helps us to identify objects.

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The More You Know

  • Saint Patrick's Day began as a "feast day". To honor him, Christians could put aside their Lenten restrictions on food and alcohol consumption, which is why excessive drinking has become linked to the celebration.
  • St. Lucia is the only country that is named after a woman.
  • The longest wedding veil was longer than 63 football fields.
  • A "jiffy" is an actual unit of time.
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