This ball is on a roll. In this optical illusion, you’ll see a hand place a metal ball at the bottom of what looks like an ordinary slide. However, it immediately rolls uphill, seemingly defying the ...

Can you trust your own eyes? This video might be one strong case for a resounding, “No!” Even after the trick behind the magic is revealed, it’s hard to make your brain parse the truth. Although this ...

Optical illusions and magic pictures teach us about our visual perception, and its limitations. Don’t let it irk you if you don’t see all the phenomena. For many illusions, there is a percentage of ...

Like any magic trick, this optical illusion requires careful planning and a particular perspective. A hand places a metal ball at the bottom of a 3D printed slide and the ball immediately rolls uphill ...

A REDDIT thread shared a mind-boggling optical illusion that stumped thousands of users as they took to the comments to share their thoughts. The poster by the name SusAmongGoose shared a photo on the ...

A stereogram optical illusion is a fascinating visual puzzle that hides a 3D image within a 2D pattern. At first glance, it appears to be a random collection of repeating designs or colourful dots.