Abstract hypnotic black and white spiral pattern creating an optical illusion of movement. Spin blade circle zoom lines abstract background pattern. Concentric circle swirl line radius, circle ...

The biggest stories of the day delivered to your inbox.

slightly different shades of grey that make up an optical illusion where the contrast between the bands appears to be exaggerated as soon as they contact one ...

Giving your brain a bit of a mental workout can do wonders, and there's no better gym for it than an optical illusion or brainteaser. Such puzzles aren't just a test of wits; they could ...

Metallic shades are in the spotlight due to the fascinating and exciting exploration of the marble technique in nail art. The mottled green base contributes to both illusions, while the marbling ...