Hering Illusion

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number of lines
orange line thickness
orange line separation
The Hering illusion was first discovered by German physiologist Ewald Hering in 1861. It shows how straight lines can appear to be bent in the presence of background lines.

External Links

Hering Illusion (Wolfram MathWorld)

Permanent Citation

Rob Morris, Margherita Barile
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​"Hering Illusion"​
​http://demonstrations.wolfram.com/HeringIllusion/​
​Wolfram Demonstrations Project​
​Published: September 28, 2007