We’ve all been there staring at an image, thinking we know exactly what we’re looking at, only to realise a moment later that we’ve been tricked. It’s the kind of thing that makes you stop for a ...

An optical illusion of a 3D triangular building resembling a 2D glass sheet has gone viral, leaving viewers confused. The image features multiple buildings, with a slim and thin glass-like panel ...

N AN IMPOSSIBLE FIGURE, seemingly real objects—or parts of objects—form geometric relations that physically cannot happen. Dutch artist M. C. Escher, for instance, depicted reversible staircases and ...