“This Viral Optical Illusion Has a Secret Number — What You See Says a Lot About Your Brain”
There’s a Number Hidden in This Spiral of Color — Can You See It? At first glance, it’s just a chaotic swirl — bright purples, blues, and golden yellows colliding in a whirlpool of color. But peer a little closer. Hidden deep within the dizzying spiral lies a secret — a number. Only a fraction …