Facts | News | Entertainment on Instagram: "The Café Wall illusion is a visual trick that makes perfectly straight horizontal lines look tilted and warped. First noticed in the 1970s on a tiled wall inside a café in Bristol, the pattern uses rows of colored tiles that are slightly offset, separated by thin lines. Your brain expects order in repeating patterns, but the staggered tiles create conflicting brightness cues along the edges of the lines. The contrast between the colors causes your visu