A metasurface can generate strange new beams of light that swirl and corkscrew. The black hole in the center of these vortices can be used to image features smaller than half a wavelength of light ...
The polar vortex rages in the arctic during the winter, producing winds up to 150 miles per hour. But when that vortex ...
It's a term you hear every couple of winters, when we get stuck in the coldest of cold patterns – polar vortex. But what exactly is it?
Each vortex is an enormous swirling windstorm in Jupiter's atmosphere–terrifying yet beautiful to behold. The vortices are labeled by color ("white" is most common, then "dark," then "red").