An optical illusion is a visual phenomenon where our perception of an image differs from objective reality. This image is perceived as a visual impression of a swirling tunnel or vortex effect. These ...

Optical vortex beams, characterized by their helical phase fronts and orbital angular momentum (OAM), are pivotal in applications such as high-capacity communication, optical manipulation, and quantum ...

This post contains spoilers for the "Stargate" franchise. In Roland Emmerich's "Stargate," we see an energy vortex created by the titular device rush out of the gate like a pressurized flood. On its ...

A rare and exceptionally early disruption of the polar vortex is sending brutally cold air across much of the United States, marking one of the earliest notable polar vortex disruptions observed since ...