The three circles drawn in this photo seem like they are different shades of blue, but are in fact all the same color. Lenstore While many mind-blowing optical illusions can play with your brain — ...

Forbes contributors publish independent expert analyses and insights. Kate O’Flaherty is a cybersecurity and privacy journalist. WhatsApp is constantly adding new features, but recently, a change to ...

An optical illusion is being perceived by different people differently, with some seeing a red circle in front and others seeing a blue circle. Optical illusions play with our minds in countless ways ...

Introduction Have you ever wondered what the world would look like without colors? Most of us take them for granted because we see them everywhere: blue sky, green grass, yellow flowers and countless ...