These Mindbending Optical Illusions Will Break Your Brain

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.

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

  • The first American woman to go to medical school was admitted as a joke. Geneva Medical School thought it was joke when Elizabeth Blackwell applied to attend 1847. She graduated in 1849, started her own practice, and opened an infirmary for the poor.
  • There's such a thing as a fear of buttons.
  • The people who are currently alive are only 7% of the total number of people who have ever lived.
  • A chameleon's tongue is twice as long as its body.
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Post originally appeared on Upbeat News.