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 frigid stream of air that plunged down into the Central U.S. this week is breaking cold records from South Dakota to Texas, with temperatures in the single digits setting records in many locations ...

A winter storm is hitting the U.S. with record-breaking cold and heavy snow. Is the polar vortex to blame? When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...