Optical vortices—light beams carrying orbital angular momentum (OAM)—are characterized by helical wavefronts and phase ...

The stratospheric polar vortex is entering its seasonal collapse. But that doesn’t mean calm weather is coming. What's ...

A new wave of device code phishing shows how threat actors are scaling account compromise using AI and end‑to‑end automation.

Three crypto employees have been arrested in Singapore and extradited to the US to face charges over cryptocurrency fraud ...

Light can carry angular momentum in two distinct ways. One comes from polarization, which describes how the electric field ...

Light can carry angular momentum in two distinct ways. One comes from polarization, which describes how the electric field rotates. The other comes ...

BOEING MANUFACTURE THIS KIND OF PLANE. TURNING NOW TO KCRA 3 WEATHER, AND WE WANT TO SHOW YOU THIS A LIVE LOOK AT LAKE TAHOE AFTER DAYS OF SNOWY WEATHER AND TOUGH TRAVEL CONDITIONS. HEATHER, IT’S NICE ...

Physicists at the University of Warsaw have generated a miniature “laser tornado” inside nanoscale structures by engineering ...

A team of NASA researchers is developing new types of optical masks that could help enable the many orders of magnitude of starlight suppression needed for future space observatories to pick out very ...

A research team developed a satellite-based method to analyze the life cycle of ocean eddies forming along Arctic sea-ice edges. By combining sequential synthetic aperture radar (SAR) images with ...

Every winter, millions of people brace for news about the polar vortex - that vast, spinning mass of frigid Arctic air high in the stratosphere that occasionally escapes its usual boundaries and ...

Optical illusion puzzles are very entertaining and puzzling as they are enjoyable, unexpected, and most of the time you cannot figure out how your eyes were able to deceive you that much. These brain ...