Social media users are going "crazy" over optical illusions, posting #TheDress. — -- A viral photo of a dress has inspired stirring arguments about optical illusions, including several via ...

Before jumping on in we have one question on our minds: what is an optical illusion? What is an optical illusion? Optical illusions are visuals that tend to be deceptive to the eye and brain. This is ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. These levitating spheres may appear red, purple or green at first glance, but in actuality, all ...

So I've read in more than a few places that color doesn't exist outside our heads, it's just wavelengths of light. That our brains are the things that make color, same with sound (which is just ...