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 ...

Airbus last week began wake vortex visualisation flight trials using its A340-300 testbed as part of the European Union Aircraft Wing with Advanced Technology Operation (Awiator) project. The tests ...

A potential wobble in the polar vortex could bring Arctic air to Michigan and the northern U.S. around Thanksgiving. A weakened polar vortex, combined with other atmospheric patterns, increases the ...