An optical illusion is a visual phenomenon where our perception of thinking about an image differs from objective reality.

Photography has come a long way since the first ever photo saw the light of day. We've gone from painstakingly exposing metal ...

A new study investigates strange bursts of light captured in old astronomical photos, suggesting they may link to both UFO sightings and Cold War nuclear testing.

Optical illusions occur naturally in different habitats and conditions across the world. Cloud formations can sometimes make it seem like there's an ocean or a UFO in the sky. Whether it is salt flats ...

Abstract: In order to achieve helicity-dependent all-optical switching in ferromagnetic Co/Pt multilayer thin films, meticulous control over the thin-film parameters is needed. Even samples with ...