Most people use the terms “optical illusion” and “visual illusion” interchangeably, much like “fluid” and “liquid” or “sofa” and “couch” are synonyms. At first glance, this might be seemingly pedantic ...

Optical illusions play tricks on your brain and can make you see things that aren't really there, from static images swirling around the page to images that stay with you even after you look away.

Medical imaging experts are adept at solving common optical illusions, according to new research. The research is the first to show that people can be trained to do better at solving visual illusions, ...

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The optical illusion seen above makes the viewer feel as if they are falling into an expanding hole – and now we have a good explanation for why this happens. Optical tricks can be caused by different ...

Optical illusions demonstrate how the brain interprets visual information. This short video presents a simple illusion experiment. Viewers can test how their perception reacts to the effect. The ...

Our visual system is constantly making assumptions about what we see. In one of my first psychology courses in college, our professor used an effect from Disney's classic Haunted Mansion attraction to ...

What if your 3D printed objects could change their appearance based entirely on the angle from which they are viewed? This ...