Any man worth his salt will stick up for what he believes right, but it takes a slightly better man to acknowledge instantly and without reservation that he is in error. - Andrew Jackson
Chapter 6 - The Influence Of Angles On Optical Illusions
Angles play an important part, directly or indirectly, in the production of optical illusions. The overestimation or underestimation of angles can result in what is referred to as a geometrical optical illusion.
Discussed in this chapter are the twisted chord optical illusion, the spiral optical illusion, the pinwheel optical illusion along with the Zollner illusion, Muller-Lyer Illusion and the Joseph Jastrow Illusion.
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