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 ...

The polar vortex, a weather feature that contributed to the Great Texas Freeze, is currently forming in the stratosphere over the North Pole and is expected to continue to strengthen rapidly as we ...