Torii Illusion (Hering and Zöllner)

Estimation 5 January 2017 0 Comments

Torii Illusion (Hering and Zöllner)

Happy New Year everyone! Proferssor Dejan Todorović of the University of Belgrade created this optical illusion that highlights the effects of two different illusions known as the Hering illusion and the Zöllner illusion.  The blurred orange lines (representing a Torii, a traditional Japanese gate located in front of a shrine) are identical in all three […]

Hering Illusion

Estimation 20 March 2012 0 Comments

Hering Illusion

Do the red lines below appear to bow outward?  Or are they parallel? The red lines are straight and parallel and do not bow outward despite their appearance.  This illusion, known as the Hering illusion, was discovered in 1861 by a German physiologist named Ewald Hering.  The Hering illusion produces the opposite effect of the […]