These Mindbending Optical Illusions Will Break Your Brain

Lunar Terminator Illusion

A lunar terminator tilt illusion occurs when an observer on Earth wrongly expects that the direction of sunlight illuminating the moon will correspond with the position of the sun. However, it does not appear to do so due to the slope of a slight ray changing across the sky.

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The More You Know

  • About 700 grapes go into one bottle of wine.
  • The Canary Islands are named after dogs, not birds.
  • Where the Wild Things Are was supposed to have been about horses—but the illustrator couldn't draw them.
  • Scorpions are incredibly resilient: scientists have frozen scorpions overnight, left them in the sun the following day, and when thawed, the arthropod walked away unscathed.
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