These Mindbending Optical Illusions Will Break Your Brain

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The Rabbit Duck

Do you notice the rabbit first, or the duck? This image originally appeared in a German humor magazine in 1892, reportedly inspiring some profound philosophical thoughts from Ludwig Wittgenstein.

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Hering Illusion

The Hering Illusion is an optical illusion discovered by German physiologist Ewald Hering in 1861. Both vertical lines are straight, despite the appearance that they are bowed outward. The distortion is created by the pattern of lines in the background, simulating a false perspective of depth.

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The More You Know

  • Your dog knows when someone isn't trustworthy.
  • A U.S. park ranger named Roy C. Sullivan held the record for being struck by lightning the most times, having been struck — and surviving — seven times between 1942 and 1977.
  • Nintendo was founded in 1889. Before it sold video games, the Japanese company specialized in playing cards.
  • There are 293 ways to make change for $1.
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