Optical illusions are the internet’s favorite pastime. These puzzles challenge one’s observation skills and focus. A new optical illusion on Reddit has stumped the internet. Posted on the subreddit ...

The optical illusion challenge for the day needs people to put on their thinking caps to find the correct answer. All you get to witness here are two lines and a simple question: Which line is longer?

The Moon rises around 3-4 p.m. this early this week and is high in the sky by sunset. It reached first quarter, sometimes called half-moon, phase on Saturday with the right half of the Moon, at least ...

When you look at the picture below, do you see straight or curved lines? That's the debate triggered by the viral optical illusion that's now raging on social media. The image is an eight-by-eight ...

This optical illusion shows several dots that appear to be rolling around inside a circle. What is mind boggling is that the dots each just move in a straight line. “This is just another example of ...

From a brick wall to the dress, we may be the most technologically advanced generation, but there's nothing we enjoy more than a good mental magic trick. It should come as no surprise, then, that any ...

The internet is buzzing once again with a new optical illusion which could leave even the most eagle-eyed viewers stumped. Amid the repeated maze of black, white and grey threads of the carpet, users ...

An optical illusion is a visual phenomenon where our perception of an image differs from objective reality. This image is perceived as a geometric optical illusion. These optical illusions occur due ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. In Head Trip, PopSci explores the relationship between our brains ...