There are countless types of optical illusions, from the cognitive to the physiological, testing our minds in ways that appear to defy logic. The latest example bewitching the internet is this simple ...

Optical illusions are older than you think. The first optical illusions date back to 20,000 BC and took the form of cave sculptings. Nowadays they are found all over the place – on screens, in books ...

Seeing Things” traces tools that manipulate reality (like Sora or Photoshop) back to technologies popularized in the 1800s.

Optical illusions occur naturally in different habitats and conditions across the world. Cloud formations can sometimes make it seem like there's an ocean or a UFO in the sky. Whether it is salt flats ...

This viral optical illusion reveals how your brain processes information and what it says about your decision-making style.

People have been left scratching their heads after seeing a black and white image of a horse transform into colour in front of their eyes - but they don't understand how it works ...

A viral optical illusion challenges users to find a hidden rat in under 15 seconds, with most failing despite repeated ...

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