The article discussed an optical illusion challenge requiring participants to identify the number 690 within 5 seconds. Difficulty arises due to the similarity in appearance between the digits 9, 6, ...

Kokichi Sugihara specializes in the impossible. He creates mind-bending physical objects that look and behave in incredible ways when seen from the right angle, such as marbles that roll uphill or ...

A Twist on the Triangle Unity, an impossible triangle created by Hamaekers in 1995, is now installed in Ophoven, Belgium. Again the viewer's location relative to the object is critical.

PENROSE TRIANGLE. The impossible triangle (also called the Penrose triangle or the tribar) was first created in 1934 by Oscar Reutersvärd. Roger Penrose attended a lecture by M. C. Escher in 1954 ...

The illusion looks pretty simple at first glance, it's just made up of grey bricks and green lines. Reddit A mind-blowing optical illusion has resurfaced on Reddit and it’s left users baffled ...

Optical illusions, like the Kanizsa Triangle, aren’t just fun – they’re a workout for your mind, they sharpen focus, and boost problem-solving skills whilst also letting you have fun and learn ...