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The cafe wall optical illusion posted on Twitter challenges people to figure out if the lines are straight or bend at an angle. | Trending
Worksheet 2.2
Optical illusions: Are these lines straight or bent? Latest brain teaser puzzle
Vecteur Stock Hering illusion is one of the geometrical-optical illusions. When two straight and parallel lines are presented in front of radial background , the lines appear as if they were bowed
Lab@Home: Sinn: Sehen - Optische Täuschungen (EN)
30 Optical Illusions That Will Make Your Brain Hurt
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