Optical Illusions: How Many Faces Can You Find?
October 8, 2018
Optical illusions based on a play of colors, shapes, perspectives, and contrasts can confuse and fascinate. Why do straight lines seem curved, shades completely different from what they are, and space visually distorted? For thousands of years, mankind has used these effects to create architectural and pictorial masterpieces, many of which sometimes conceal hidden messages.